Maintenance
Maintenance Safety
- If you leave the key in the switch,
someone could accidently start the engine and seriously injure you
or other bystanders. Remove the key from
the switch before you perform any maintenance.
- Before you leave the operator’s position, do the following:
- Park the machine on a level surface.
- Disengage the drives.
- Engage the parking brake.
- Shut off the engine and remove
the key.
- Wait for the machine to cool before
performing maintenance.
- Do not allow untrained personnel
to service the machine.
- Keep your hands and feet away
from moving parts or hot surfaces. If possible, do not make adjustments
with the engine running.
- Keep all guards, shields, switches,
and all safety devices in place and in proper working condition. Frequently
check for worn or deteriorating components
and replace them with genuine Toro parts when necessary.
- Carefully release pressure from
components with stored energy.
 |
Warning |
|
Removing or modifying original
equipment, parts, and/or accessories may alter the warranty, controllability,
and safety of the machine. Making unauthorized
modifications to the original equipment or failing to use original Toro parts could lead
to serious injury or death.
- Check the parking brake operation
frequently. Adjust and service it as required.
- Never tamper with safety devices.
Check their proper operation regularly.
- Clean grass, leaves, excessive
grease and oil, and other debris from the cutting unit, muffler, drives,
grass catcher, and engine compartment to
prevent fires.
- Clean up oil or fuel spills and
remove fuel-soaked debris.
- Do not rely solely on mechanical
or hydraulic jacks to support the machine. Use adequate jack stands.
- Keep all parts in good working
condition and all hardware tightened, especially the blade-attachment
hardware.
- To ensure optimum performance,
use only genuine Toro replacement parts and accessories.
Replacement parts and accessories made by other manufacturers could
be dangerous.
- For machines equipped with an
accessory frame: If any maintenance or repair requires the accessory
frame to be in the raised position, use
the cylinder lock to secure the accessory frame in the raised position.
Recommended Maintenance Schedule
| After the first 5 hours
|
|
| After the first 75 hours
|
|
| Before each use or daily |
|
| |
| |
| |
| |
| |
| |
| Every 50 hours |
|
| |
| Every 100 hours |
|
| |
| |
| Every 250 hours |
|
| |
| Monthly |
|
| Yearly |
|
Pre-Maintenance Procedures
Removing the Thigh Pad
-
Loosen the
knob on the right side of the machine.
-
Lower the
thigh pad and remove it from the lower bolts.
Removing the Rear Guard
-
Loosen the
2 knobs securing the rear guard and remove the guard from the machine.
Lubrication
Lubricating the Grease Fittings
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Lubricate
fittings with NLGI grade #2 multi-purpose gun grease.
Refer
to the following chart for fitting locations and lubrication schedule.
 Deck belt idler pivot |
1
|
1
|
Yearly
|
G556302
-
Deck belt idler pivot
Engine Maintenance
Engine Safety
- Keep your hands, feet, face, other
body parts, and clothing away from the muffler and other hot surfaces.
Wait for the engine to cool before performing
maintenance.
- Do not change the engine governor
speed or overspeed the engine.
Servicing the Air Cleaner
Removing the Filters
-
Park the
machine on a level surface, disengage the blade-control switch, and
move the motion-control levers outward to the
Neutral-Lock position, and engage the parking brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Release the
latches 
on the air cleaner and pull the
air-cleaner cover off the air-cleaner body.
-
Clean the
inside of the air-cleaner cover 
with compressed air.
-
Gently slide
the primary filter 
out of the air-cleaner
body .
Note: Avoid knocking the filter into the side of the body.
-
Remove the
safety filter 
only to replace it.
Inspecting the Filters
-
Inspect the
safety filter. If it is dirty, replace both the safety and primary
filters.
Do
not attempt to clean the safety filter. If the safety filter is dirty,
then the primary filter is damaged.
-
Inspect the
primary filter for damage by looking into the filter while shining
a bright light on the outside of the filter.
If the primary filter is dirty, bent, or damaged, replace
it.
Note: Holes in the filter appear as bright spots. Do not clean the primary
filter.
Installing the Filters
To prevent engine damage,
always operate the engine with both air filters and the cover installed.
-
If you are
installing new filters, check each filter for shipping damage.
Note: Do not use a damaged filter.
-
If you are
replacing the inner filter, carefully slide it into the filter body.
-
Carefully
slide the primary filter over the safety filter.
Note: Ensure that the primary filter is fully seated by pushing on the
outer rim while installing it.
Do
not press on the soft, inside area of the filter.
-
Install the
air-cleaner cover and secure the latches.
Servicing the Engine Oil
Engine-Oil Specifications
| Oil Type
|
Detergent oil (API service SF,
SG, SH, SJ, or SL) |
| Crankcase Capacity |
2.0 L (67.2 fl
oz) with a filter change; 1.8 L (60.8 fl oz) without a filter change |
| Viscosity
|
See the table below |
| |
Note: Although 10W-40 engine oil is recommended for most conditions, you
may need to change oil viscosity to accommodate atmospheric
conditions. Using 20W-50 engine oil in higher
ambient temperatures can reduce oil consumption.
Checking the Engine-Oil
Level
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Wait for
the engine to cool so that the oil has had time to drain into the
sump.
-
To keep dirt,
grass clippings, etc., out of the engine, clean the area around the
oil-fill cap and dipstick before removing
it.
-
Check the
engine-oil level as shown.
If
you overfill or underfill the engine crankcase with oil and run the
engine, you may damage the engine.
Changing the Engine Oil
-
Note: Dispose of the used oil at a recycling center.
Start the
engine and let it run for 5 minutes.
Note: This warms the oil so that it drains better.
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Place a drain
pan under the oil drain valve.
-
Loosen the
oil drain valve.
-
Drain the
oil from the engine.
-
Slowly pour
approximately 80% of the specified oil into the filler tube and slowly
add the additional oil to bring it to the
Full mark.
-
Start the
engine and let it run for a few seconds.
-
Shut off
the engine and check the oil level again.
Changing the Engine-Oil
Filter
-
Drain the
oil from the engine.
-
Change the
engine-oil filter.
Note: Ensure that the oil-filter gasket touches the engine, and then turn
the oil filter an extra 3/4 turn.
-
Fill the
crankcase with the proper type of new oil.
Servicing the Spark Plug
Ensure that the air gap between
the center and side electrodes is correct before installing the spark
plug. Use a spark plug wrench for removing
and installing the spark plug and a gapping tool or feeler gauge to
check and adjust the air gap. Install a new
spark plug if necessary.
Type: NGK® BPR4ES
Air gap: 0.76 mm (0.03 inch)
Removing the Spark Plug
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Clean the
area around the base of the plug to keep dirt and debris out of the
engine.
-
Remove the
spark plug.
Checking the Spark Plug
Do not clean the spark plug(s).
Always replace the spark plug(s) when it has a black coating, worn
electrodes, an oily film, or cracks.
If
you see light brown or gray on the insulator, the engine is operating
properly. A black coating on the insulator usually
means the air cleaner is dirty.
-
Set the gap
to 0.76 mm (0.03 inch).
Installing the Spark Plug
Fuel Maintenance
|
Danger |
|
In certain conditions, fuel is
extremely flammable and highly explosive. A fire or explosion from
fuel can burn you and others and can damage
property.
Replacing the Fuel Filter
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Clamp the
fuel lines on both sides of the fuel filter.
-
Replace the
filter.
Note: Ensure that the flow-direction arrow on the replacement filter points
toward the engine.
Never
install a dirty filter after removing it from the fuel line.
-
Remove the
clamps blocking the fuel flow.
Electrical System Maintenance
Electrical System Safety
- Disconnect the cable from the
negative terminal of the battery before repairing the machine.
- Charge the battery in an open,
well-ventilated area, away from sparks and flames. Unplug the charger
before connecting or disconnecting the
battery. Wear protective clothing and use insulated tools.
Battery Service
Removing the Battery
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Remove the
battery as shown in the following figure.
Charging the Battery
|
Warning |
|
Charging the battery produces
gasses that can explode.
Never smoke near the battery and
keep sparks and flames away from battery.
Always keep the battery fully
charged. This is especially important to prevent battery damage when
the temperature is below 0°C (32°F).
-
Remove the
battery from the machine.
-
Charge the
battery per the battery charger manufacturer’s instructions.
Do
not overcharge the battery; otherwise, you could damage it.
G003792S
- Positive
battery post
- Negative
battery post
- Red (+)
charger lead
- Black
(-) charger lead
-
When the
battery is fully charged, unplug the charger from the electrical outlet
(if applicable), then disconnect the charger
leads from the battery posts.
Installing the Battery
-
Install the
battery as shown in the following figure.
Jump-Starting the Machine
|
Warning |
|
Jump-starting the battery can
produce gasses that can explode.
Do not smoke near the battery,
and keep sparks and flames away from battery.
|
Danger |
|
Jump-starting a weak battery that
is cracked or frozen or has a low electrolyte level or an open/shorted
battery cell can cause an explosion, resulting
in serious personal injury.
Do not jump-start a weak battery
if these conditions exist.
-
Check and
clean corrosion from the battery terminals before jump-starting. Ensure
that the connections are tight.
|
Caution |
|
Corrosion
or loose connections can cause unwanted electrical voltage spikes
at any time during the jump-starting procedure.
Do not attempt
to jump-start the machine with loose or corroded battery terminals,
or damage to the engine may occur.
-
Make sure
that the booster battery is a good and fully charged lead-acid battery
at 12.6 V or greater.
Note: Use properly sized jumper cables with short lengths to reduce voltage
drop between systems. Make sure that the cables are
color coded or labeled for the correct polarity.
|
Warning |
|
Batteries
contain acid and produce explosive gases.
- Shield your eyes and face from
the batteries at all times.
- Do not lean over the batteries.
Note: Ensure that the vent caps are tight and level. Place a damp cloth,
if available, over any vent caps on both batteries. Also
ensure that the machines do not touch and
that both electrical systems are off and at the same rated system
voltage. These instructions are for
negative ground systems only.
-
Connect the
positive (+) cable to the positive (+) terminal of the discharged
battery that is wired to the starter or solenoid
as shown:
g012785
- Positive
(+) cable on discharged battery
- Positive
(+) cable on booster battery
- Negative
(–) cable on the booster battery
- Negative
(–) cable on the engine block
- Booster
battery
- Discharged
battery
- Engine
block
-
Connect the
other end of the positive (+) jumper cable to the positive terminal
of the battery in the other machine.
-
Connect an
end of the negative (-) jumper cable to the negative post of the battery
in the other machine.
-
Connect the
other end of the negative (-) jumper cable to a ground point, such
as an unpainted bolt or chassis member.
-
Start the
engine in the other machine. Let it run a few minutes, then start
your engine.
-
Remove the
cables in the reverse order of connection.
-
Install the
cover to the jump post.
Drive System Maintenance
Tire Pressure
Maintain
the air pressure in the rear tires at 83 to 97 kPa (12 to 14 psi).
Uneven tire pressure can cause
an uneven cut.
Note: The front tires are semi-pneumatic tires and do not require air-pressure
maintenance.
Adjusting the Caster-Pivot Bearing
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the machine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Remove the
dust cap from the caster.
-
Tighten the
locknut until the spring washers are flat, and then back off a 1/4
turn to properly set the preload on the bearings.
Make
sure that the spring washers are installed correctly as shown.
-
Install the
dust cap.
G484653
-
Spring washer
-
Locknut
-
Dust cap
Checking the Wheel-Lug Nuts
-
Check and
torque the wheel-lug nuts to 122 to 136 N∙m (90 to 100 ft-lb).
Note: Do not use anti-seize compound on the wheel hub.
Adjusting Motion-Control Tracking
Note: The motion control lever needs to be in neutral while making any
necessary adjustments.
If the machine
travels or pulls to one side when the motion control levers are in
the full forward position, adjust the control
links.
-
Lower the
thigh pad.
-
Adjust the
control link.
- Shorten the link to increase the
speed
- Lengthen the link to decrease
the speed.
-
Secure the
thigh pad.
-
Drive the
machine and check the full forward tracking.
-
Repeat the
steps above until the desired tracking is obtained.
Hydraulic System Maintenance
Hydraulic System Safety
- Seek immediate medical attention
if hydraulic fluid is injected into the skin. Injected fluid must
be surgically removed within a few hours
by a doctor familiar with this form of injury; otherwise, gangrene
may result.
- Ensure that all hydraulic-fluid
hoses and lines are in good condition and all hydraulic connections
and fittings are tight before applying
pressure to the hydraulic system.
- Keep your body and hands away
from pinhole leaks or nozzles that eject high-pressure hydraulic fluid.
- Use cardboard or paper, not your
hands, to find hydraulic leaks.
- Safely relieve all pressure in
the hydraulic system before performing any work on the hydraulic system.
Hydraulic-Fluid Specifications
Hydraulic Fluid Type: Toro Premium Hydro Oil
(preferred) or Mobil 1™ 15W50
Hydraulic System Capacity: 2.3 L (77 fl oz)
per side
Use the specified fluid. Other
fluids could damage the system.
Checking the Hydraulic Fluid
-
Park the
machine on a level surface, disengage the blade-control switch, and
move the motion-control levers outward to the
Park position.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Allow the
machine to cool.
Only
check the hydraulic fluid when the system is cool (less than 38°C
or 100°F). Adding fluid when the system is warm could
result in overfilling the transaxle and
damage the breather assembly.
-
Remove the
fill-port plug and ensure that fluid appears at the bottom of the
hole.
-
If the level
is low, add the specified fluid through the port to raise it to the
bottom of the hole.
-
Install the
plug and torque it to 13.6
N∙m (120 in-lb).
Replacing the Hydraulic Fluid and Filters
Change the
hydraulic fluid more frequently in severe conditions or in a hot operating
climate. Contact your Authorized Service Dealer
for a hydraulic kit to replace the hydraulic filters.
|
Warning |
|
Hot hydraulic fluid can cause
severe burns.
Allow the hydraulic fluid to cool
before performing any maintenance on the hydraulic system.
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Allow the
machine to cool.
Only
change the hydraulic fluid when the system is cool (less than 38°C
or 100°F). Changing the fluid when the system is warm
could result in overfilling the transaxle
and damage the breather assembly.
-
Remove the
rear guard.
-
Raise the
rear of machine up and support with jack stands (or equivalent support)
just high enough to allow drive wheels to
turn freely.
|
Caution |
|
Raising
the mower for service or maintenance relying solely on mechanical
or hydraulic jacks could be dangerous. The mechanical
or hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall, which could cause injury.
Do not rely solely on mechanical
or hydraulic jacks for support. Use adequate jack stands or equivalent
support.
-
Remove the
left and right drive tires.
-
Remove the
filter guard from the transaxle.
-
Carefully
clean the area around the filter.
Do
not allow dirt to enter the hydraulic system, or contamination may
occur.
-
Place a drain
pan under the filter.
-
Replace the
filter.
-
Install the
filter guard. Torque the bolts to 7 N∙m (65 in-lb).
-
Remove the
fill-port plug and add the specified fluid through the port to raise
it to the bottom of the hole.
-
Install the
plug and torque it to 13.6
N∙m (120 in-lb).
-
Repeat the
procedure for the other transaxle.
-
Bleed the
hydraulic system.
-
Install the
left and right drive tires.
-
Remove the
jack stands
-
Install the
rear guard.
Bleeding the Hydraulic System
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Raise the
rear of the machine onto jack stands high enough to raise the drive
wheels off the ground.
|
Caution |
|
Raising
the mower for service or maintenance relying solely on mechanical
or hydraulic jacks could be dangerous. The mechanical
or hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall, which could cause injury.
Do not rely solely on mechanical
or hydraulic jacks for support. Use adequate jack stands or equivalent
support.
-
Start the
engine, move the throttle control ahead to the 1/2 throttle position,
and disengage the parking brake.
-
With the
bypass valves open and the engine running, slowly move the motion-control
levers both forward and rearward 5 or 6
times.
-
With the
bypass valves closed and the engine running, slowly move the motion-control
levers both forward and rearward 5 or 6
times.
-
Shut off
the engine and remove the key.
-
Check the
hydraulic-fluid level and add fluid as needed.
-
Repeat the
procedure as needed until the air is completely purged from the system.
Note: The air is completely purged when the transaxle operates at normal
noise levels and moves smoothly forward and reverse at
normal speeds.
-
Remove the
jack stands.
Belt Maintenance
Checking the Belts
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Look on the
top side of the cutting deck to check the mower blade drive belt condition.
-
Look under
the engine deck to check the pump drive belt condition.
-
Check all
idler arms to ensure they pivot freely.
Pump Drive Belt Tension
-
The belt
is self-tensioning and requires no adjustment.
Mower Deck Drive Belt Tension
-
The belt
is self-tensioning and requires no adjustment.
Mower-Deck Maintenance
Blade Service
To
ensure a superior quality of cut, keep the blades sharp. For convenient
sharpening and replacement, keep extra blades on
hand.
Replace the blades if they hit
a solid object, or if the blade is out of balance or bent.
Blade Safety
- Inspect the blades periodically
for wear or damage.
- Use care when checking the blades.
Wrap the blade(s) or wear gloves and use caution when servicing them.
Only replace damaged blades; never
straighten or weld them.
- On multi-bladed machines, take
care as rotating one blade can cause other blades to rotate.
- Replace worn or damaged blades
and bolts in sets to preserve balance.
Checking for Bent Blades
The machine must be on a level
surface for this procedure.
-
Raise the
mower deck to the highest height-of-cut position.
-
While wearing
thickly padded gloves, or other adequate hand protection, slowly rotate
the blade into a position that allows
you to measure the distance between the cutting edge and the level
surface.
-
Measure from
the tip of the blade to the level surface.
G603656
- Blade
(in position for measuring)
- Level
surface
- Measured
distance between blade and the surface (A)
-
Rotate the
same blade 180 degrees so that the opposite blade edge is now in the
same position.
G603657
- Blade
edge previous measured
- Opposite
blade edge
-
Measure from
the tip of the blade to the level surface.
G603656
- Blade
(in position for measuring)
- Level
surface
- Measured
distance between blade and the surface (B)
-
If the difference
between A and B is greater than 3 mm (1/8 inch), replace the blade.
Note: If you replace the blade and the difference continues to exceed 3
mm (1/8 inch), the blade spindle could be bent. Contact
an Authorized Service Dealer for service.
-
Repeat this
procedure each blade.
Removing the Blades
-
Hold the
blade end using a rag or thickly padded glove.
-
Remove the
blade as shown.
Sharpening the Blades
-
Use a file
to sharpen the cutting edge at both ends of the blade. Ensure to maintain
the original angle .
Note: Remove the same amount of material from both cutting edges so that
the blade retains its balance.
-
Check the
balance of the blade by putting it on
a blade balancer .
Note: If the blade stays in a horizontal position, the blade is balanced
and can be used.
If the blade
is not balanced, file some metal off the end of the sail area only.
-
Repeat this
procedure until the blade is balanced.
Installing the Blades
|
Warning |
|
Operating a machine after incorrectly
installing the blade assembly and/or not using genuine Toro blade and blade hardware
could allow a blade or blade component to be thrown out from under
the deck, resulting in serious injury
or death.
Always install genuine Toro blades and blade
hardware according to the instructions.
-
Install the
blade as shown.
Note: The curved part of the blade must be pointing upward toward the inside
of the mower to ensure proper cutting.
-
Torque the
blade bolt to 67.8 to 81.4 N·m (50 to 60
ft-lb).
Leveling the Mower Deck
Ensure that the mower deck is
level any time you install the mower deck or when you see an uneven
cut on your lawn.
Note: Your mower deck may differ from the version shown in the following
procedures.
Preparing to Level the
Mower Deck
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Ensure that
the tires are inflated to the correct specifications and the caster
wheels are facing straight forward.
-
Check the
mower deck for bent blades; remove and replace any bent blades.
-
Pull the
deck lift handle all the way rearward to latch the cutting deck into
the raised transport position.
-
Insert the
height adjustment pin into the 10.2 cm (4 inches) cutting height location.
-
Release the
transport lock and allow the deck to lower to the cutting height.
-
Raise the
discharge deflector.
Checking the Mower-Deck
Level
-
Position
the blades front-to-rear.
-
Measure from
the level surface to the front tip of the center blade. The measurement
should read 10.2 cm (4 inches).
Note: In most conditions, the back tips on the side blades should be adjusted
3.2 to 6.4 mm (1/8 to 1/4 inch) higher than the front.
g014790S
-
10.5 to 10.8 cm (4-1/8 to 4-1/4
inches)
-
Back blade tip
-
Front blade tip
-
10.2 cm (4 inches)
-
Level surface
-
If the measurement
is not correct, level the mower deck.
Leveling the Mower Deck
-
Raise the
deck to transport position.
-
Place 4 blocks
under the deck. Refer to the measurements below.
Place
the appropriate block directly in front of the blade.
- Right-front block thickness: 9.25
cm (3.64 inches)
- Left-front block thickness: 9
cm (3.58 inches)
Place the appropriate
block directly behind the blade.
- Right-rear block thickness: 9.83
cm (3.87 inches)
- Left-rear block thickness: 9.58
cm (3.77 inches)
-
Set the height
of the cut lever to the 10.2 cm (4 inches) position.
-
Loosen the
lower fasteners securing the brackets to all 4 corners of the deck
and ensure that the mower deck sits securely
on all 4 blocks.
-
Remove any
slack from the lift chains and ensure that the lift lever is resting
against the height adjustment pin.
-
Tighten the
fasteners.
-
Raise the
deck and remove the blocks. Lower the deck back to 10.2 cm (4 inches)
and recheck the cutting height.
Replacing the Grass Deflector
|
Danger |
|
An uncovered discharge opening
allows objects to be thrown toward you or bystanders. Also, contact
with the blade could occur. Thrown objects
or blade contact will cause serious injury or death.
Do not operate
the mower with the discharge deflector raised, removed, or altered
unless a grass collection system or mulch
kit is in place and working properly.
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Remove the
damaged or worn grass deflector as shown.
-
Use the removed
fasteners to install the new deflector.
Chassis Maintenance
Checking for Loose Hardware
-
Park the
machine on a level surface, disengage the PTO, and engage the parking
brake.
-
Shut off
the engine, remove the key, and wait for all moving parts to stop
before leaving the operating position.
-
Visually
inspect the machine for any loose hardware or any other possible problem.
Tighten the hardware or correct the problem
before operating.
Cleaning
Cleaning Debris from the Machine
-
Stop engine,
wait for all moving parts to stop, and remove key. Engage parking
brake.
-
Clean off
any oil, debris, or grass build-up on the machine and cutting deck,
especially under deck belt shields, around the
fuel tank, around engine and exhaust area.
You
can wash the machine with mild detergent and water. Do not pressure
wash the machine. Avoid excessive use of water, especially
near the control panel, around the engine,
hydraulic pumps, and motors.
Cleaning the Engine and Exhaust System Area
|
Warning |
|
Excessive debris around engine
cooling air intake and exhaust system area can cause engine, exhaust
area, and hydraulic system to overheat
which can create a fire hazard.
Clean all debris from engine and
exhaust system area.
-
Stop engine,
wait for all moving parts to stop, and remove key. Engage parking
brake.
-
Clean all
debris from rotating engine air intake screen, around engine shrouding,
and exhaust system area.
-
Wipe up any
excessive grease or oil around the engine and exhaust system area.
-
Clean oil
coolers (if equipped) of all debris, dirt, and oil.
Cleaning the Cooling Fins
-
Stop engine,
wait for all moving parts to stop, and remove key. Engage parking
brake.
-
Remove cooling
shroud access panels from engine and clean cooling fins. Also clean
dust, dirt, and oil from external surfaces
of engine which can cause improper cooling.
-
Make sure
cooling shroud access panels are properly reinstalled. Operating the
engine without cooling shroud access panels
will cause engine damage due to overheating.
Cleaning Grass Build-Up the Under Deck
-
Stop the
engine, wait for all of the moving parts to stop, and remove the key.
Engage the parking brake.
-
Raise the
deck to the transport (maximum cutting height) position. Lift the
front of unit and support the machine using jack
stands or equivalent support.
-
Clean out
any grass build-up from the underside of deck and in discharge deflector.
Disposing of Waste
Engine oil, batteries, hydraulic
fluid, and engine coolant are pollutants to the environment. Dispose
of these according to your state and local
regulations.
Troubleshooting
The starter does not crank.
| Possible Cause |
Corrective Action |
| The PTO switch is engaged |
-
Disengage
the PTO
|
| The parking brake is not
engaged. |
-
Ensure the
parking brake is in the engaged position.
|
| The battery does not have
a full charge. |
-
Charge the
battery.
|
| Electrical connections
are corroded, loose, or faulty.
|
-
Check the
electrical connections for good contact.
-
Clean the connector terminals thoroughly with electrical contact
cleaner, apply dielectric grease and reconnect.
|
| A fuse is blown. |
-
Replace the
blown fuse.
|
| A neutral LCD indicator
does not illuminate. |
-
Check that
the brake switch is fully applied.
|
| Relay or switch is damaged. |
-
Contact an
Authorized Service Dealer.
|
The engine
will not start, starts hard, or fails to keep running.
| Possible Cause |
Corrective Action |
| The fuel tank is empty. |
-
Fill the
fuel tank.
|
| The throttle and choke
are not in the correct position.
|
-
Be sure the
throttle control is midway between the Slow and Fast positions, and the choke is in
the On position
for a cold engine or the Off position
for a warm engine.
|
| There is dirt in fuel filter. |
-
Replace the
fuel filter.
|
| There is dirt, water, or
stale fuel is in the fuel system.
|
-
Contact an
Authorized Service Dealer.
|
| The air cleaner is dirty. |
-
Clean or
replace the air cleaner element.
|
| Electrical connections
are corroded, loose or faulty.
|
-
Check the
electrical connections for good contact.
-
Clean connector terminals thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
|
| The relay or switch is
defective. |
-
Contact an
Authorized Service Dealer.
|
| There is a faulty spark
plug. |
-
Clean, adjust,
or replace spark plug.
|
| The spark plug wire is
not connected. |
-
Check the
spark plug wire connection.
|
The engine
loses power.
| Possible Cause |
Corrective Action |
| The engine load is excessive. |
-
Reduce the
ground speed.
|
| The air cleaner is dirty. |
-
Clean or
replace the air cleaner element.
|
| The oil level in the crankcase
is low. |
-
Add oil to
the crankcase.
|
| The cooling fins and air
passages for the engine are plugged.
|
-
Remove the
obstructions from the cooling fins and air passages.
|
| The vent system filter
plugged. |
-
Inspect vent
filter; replace if dirty.
|
| There is dirt in fuel filter. |
-
Replace the
fuel filter.
|
| There is dirt, water, or
stale fuel is in the fuel system.
|
-
Contact an
Authorized Service Dealer.
|
The engine
overheats.
| Possible Cause |
Corrective Action |
| The engine load is excessive. |
-
Reduce the
ground speed.
|
| The oil level in the crankcase
is low. |
-
Add oil to
the crankcase.
|
| The cooling fins and air
passages for the engine are plugged.
|
-
Remove the
obstructions from the cooling fins and air passages.
|
The mower
pulls left or right (with levers fully forward).
| Possible Cause |
Corrective Action |
| The tire pressure in the
drive tires is not correct. |
-
Adjust the
tire pressure in the drive tires.
|
| The tracking needs an adjustment. |
-
Turn turnbuckle
in the direction that the mower needs to be adjusted to.
-
Rotate the turnbuckle in 1/4 turn increments until the mower tracks
correctly.
|
The machine
does not drive.
| Possible Cause |
Corrective Action |
| The bypass valve is not
closed tight. |
-
Tighten the
bypass valve.
|
| The drive or pump belt
is worn, loose, or broken. |
-
Change the
belt.
|
| The drive or pump belt
is off a pulley. |
-
Change the
belt.
|
The cutting
height is uneven.
| Possible Cause |
Corrective Action |
| The blade(s) is not sharp. |
-
Sharpen the
blade(s).
|
| A cutting blade(s) is/are
bent. |
-
Install a
new cutting blade(s).
|
| The mower is not level. |
-
Level the
mower from side-to-side and front-to-rear.
|
| The underside of the mower
deck is dirty. |
-
Clean the
underside of the mower deck.
|
| The tire pressure is incorrect. |
-
Adjust the
tire pressure.
|
| A blade spindle is bent. |
-
Contact an
Authorized Service Dealer.
|
| The tips of the adjacent
blades are at an uneven cutting height. The blade tips should be even
within 3/16 inch which is approximately
one blade thickness. |
-
Replace the
blades, spindles and (or) check for damage to the mower deck.
|
There is
an abnormal vibration.
| Possible Cause |
Corrective Action |
| The cutting blade(s) is/are
bent or unbalanced |
-
Install a
new cutting blade(s).
|
| The blade mounting bolt
is loose. |
-
Tighten the
blade mounting bolt.
|
| The engine mounting bolts
are loose. |
-
Tighten the
engine mounting bolts.
|
| There is a loose engine
pulley, idler pulley, or blade pulley.
|
-
Tighten the
loose pulley.
|
| The engine pulley is damaged. |
-
Contact an
authorized service dealer.
|
| The blade spindle is bent. |
-
Contact an
authorized service dealer.
|
| The belt is damaged. |
-
Install a
new belt.
|
The blades
do not rotate.
| Possible Cause |
Corrective Action |
| The drive belt is off pulley. |
-
Check the
belt for damage; replace if necessary.
-
Install the drive belt and check the adjusting shafts and belt guides
for the correct position.
|
| The deck belt is worn,
loose or broken. |
-
Install the
new deck belt.
|
| The deck belt is off the
pulley. |
-
Install the
deck pulley and check the idler pulley, idler arm and spring for the
correct position and function.
|
| The idler spring is broken
or missing. |
-
Replace the
idler spring.
|
| The electric clutch is
damaged. |
-
Contact an
authorized service dealer.
|
The clutch
will not engage.
| Possible Cause |
Corrective Action |
| The fuse is blown. |
-
Replace the
fuse.
-
Check the coil resistance, battery charge, charging system, and wiring
connections and replace if necessary
|
| There is a low voltage
supply at the clutch. |
-
Check the
coil resistance, battery charge, charging system, and wiring connections
and replace if necessary.
|
| The coil is damaged |
-
Replace the
clutch
|
| There is not enough current. |
-
Repair or
replace the clutch lead wire or electrical system.
-
Clean the connector contacts.
|
| The rotor/armature airgap
is too large. |
-
Remove a
shim, if equipped, or replace the clutch.
|
