Greensmaster® 3300 TriFlex® Traction Unit

Perform the following system checks daily to ensure that the interlock system is operating correctly:

1. Sit on the seat, move the traction pedal to the NEUTRAL position, move the functional-control lever to the NEUTRAL position, and engage the parking brake.

2. Try to move the traction pedal forward or backward.

   The pedal should not move, which indicates that the interlock system is operating correctly. Correct the problem if it is not operating properly.

1. Sit on the seat, move the traction pedal to the NEUTRAL position, move the functional-control lever to the NEUTRAL position, and engage the parking brake.

2. Move the functional-control lever to the MOW position or the TRANSPORT position and try to start the engine.

   The engine should not turnover or start, which indicates that the interlock system is operating correctly. Correct the problem if it is not operating properly.

3. Sit on the seat, move the traction pedal to the NEUTRAL position, move the functional-control lever to the NEUTRAL position, and engage the parking brake.

4. Start the engine and move the functional-control lever to the MOW position or the TRANSPORT position.

   The engine should shut off, which indicates that the interlock system is operating correctly.

   Correct the problem if it is not operating properly.

1. Sit on the seat, move the traction pedal to the NEUTRAL position, move the functional control lever to the NEUTRAL position, and engage the parking brake.

2. Start the engine.

3. Release the parking brake, move the functional control lever to the MOW position, and rise from the seat.

   The engine should shut off, which indicates that the interlock system is operating correctly. Correct the problem if it is not operating properly.

1. Sit on the seat, move the traction pedal to the NEUTRAL position, move the functional control lever to the NEUTRAL position, and engage the parking brake.

2. Start the engine.

3. Move the raise/lower mow control forward to lower the cutting units. The cutting units should lower but not start rotating.

   If they start rotating, the interlock system is not operating correctly; correct the problem before operating the machine.

1. Approach the green with the functional-control lever in the MOW position and the throttle at full speed.

2. Start on 1 edge of the green so that you can use the ribbon procedure of cutting.

   Note: This holds compaction to a minimum and leaves a neat, attractive pattern on the greens.

3. Push forward the raise/lower mow lever as the front edges of the grass baskets cross the outer edge of the green.

   Note: This procedure drops the cutting units to the turf and starts the reels.

   Important: The center cutting unit drops and raises slightly after the front cutting units do; therefore, you should practice gaining the required timing necessary to minimize the cleanup mowing operation.

   Note: The delay in raising and lowering the center cutting unit depends on hydraulic fluid temperature. Cold hydraulic fluid results in a longer delay. As the fluid temperature increases, the delay time becomes shorter.

4. Overlap a minimal amount with the previous cut on return passes.

   Note: To assist in maintaining a straight line across the green and keeping the machine an equal distance from the edge of the previous cut, imagine a sight line approximately 1.8 to 3 m (6 to 10 ft) ahead of the machine to the edge of the uncut portion of the green (Figure 25). Include the outer edge of the steering wheel as part of the sight line; i.e., keep the steering wheel edge aligned with a point that is always kept the same distance away from the front of the machine.

5. As the front edges of the baskets cross the edge of the green, pull back the raise/lower mow lever rearward and hold it until all the cutting units have risen. This stops the reels and lifts the cutting units.

   Important: Time this step correctly so that you do not cut into the fringe area, yet cut as much of the green as possible to minimize the amount of grass left to mow around the outer periphery.

6. To cut down on operating time and to ease the lineup for the next pass, momentarily turn the machine in the opposite direction, then turn it in the direction of the uncut portion. This movement is a tear-shaped turn (Figure 24), which quickly lines the machine up for your next pass.

   

   Figure 24

   Note: Try to make as short of a turn as possible, except during warmer weather—a wider arc minimizes the turf bruising.

   

   Figure 25

   1. Alignment strip
   2. Approximately 12.7 cm (5 inches)
   3. Cut grass on the left.
   4. Keep a focal spot 2 to 3 m (6 to 10 ft) ahead of the machine.

   Note: The steering wheel does not return to its original position after you complete a turn.

   Important: Never stop the machine on a green while the cutting units are engaged, as damage to the turf may result. Stopping the machine on a wet green may leave marks or indentations from the wheels.

1. Finish cutting the green by mowing the outer periphery. Change the direction of cutting from the previous mowing.

   Note: Use the throttle lever to adjust the machine speed when you cut the periphery. This will match the clip to the green and may reduce triplex ring.

   Note: Always keep weather and turf conditions in mind and be sure to change the direction of mowing from the previous cutting.

2. When finished mowing the outer periphery, tap the raise/lower mow lever rearward to stop the reels, then drive off the green. When all the cutting units are off the green, raise the cutting units.

   Note: This step minimizes grass clumps left on the green.

3. Replace the flag.

4. Empty the grass baskets of all clippings before you transport the machine to the next green.

   Note: Heavy wet clippings place an undue strain on the baskets and add unnecessary weight to the machine, which increases the load on the machine systems (e.g., engine, hydraulic system, and brakes).

API Oil Service Classification: SJ or higher

Oil Viscosity: SAE 30

Note: Use any high-quality detergent oil.

1. Park the machine on a level surface, shut off the engine and remove the key.

2. Unscrew the dipstick, remove it, and wipe it with a clean rag.

3. Insert the dipstick into the dipstick tube and thread it into the tube (Figure 30).

   

   Figure 30

   1. Dipstick
   2. Filler cap

4. Unscrew the dipstick, pull it out of the tube, and check the oil level.

5. If the oil level is low, remove the filler cap from the valve cover and add oil into the engine through the filler neck until the oil level is up to the FULL mark on the dipstick.

   Add the oil slowly and check the level often during this process.

   Important: Do not overfill the engine with oil.

6. Install the filler cap and dipstick.

Engine oil quantity: 1.65 L (1-3/4 US qt) with filter

1. Remove the drain plug (Figure 31) and let the oil flow into a drain pan.

   

   Figure 31

   1. Drain plug
   2. Oil filter

2. Clean the threads of the drain plug, apply PTFE sealant, and install the drain plug (Figure 31).

3. Remove the oil filter (Figure 31).

4. Apply a light coat of clean oil to the new filter gasket.

5. Screw the filter on by hand until the gasket contacts the filter adapter, then tighten it 3/4 to 1 turn further. Do not overtighten it.

6. Add oil to the crankcase; refer to Checking the Engine Oil and Engine Oil Specification.

7. Dispose of the oil filter and used oil properly.

The traction pedal comes adjusted for maximum-transport speed, but you may need to adjust it if the pedal reaches full stroke before it contacts the pedal stop, or if you want to a decrease the transport speed.

To obtain the maximum-transport speed, put the functional control lever in the TRANSPORT position and press down on the traction pedal. If the pedal contacts the stop (Figure 36) before you feel tension on the cable, perform the following adjustment procedure:

Figure 36

1. Pedal stop

1. Put the functional-control lever in the TRANSPORT position and loosen the locknut securing the pedal stop to the floor plate (Figure 36).

2. Tighten the pedal stop until it does not contact the traction pedal.

3. Continue applying a light load on the transport pedal and adjust the pedal stop so it contacts the pedal rod and tighten the nuts.

   Important: Ensure that the tension on the cable is not excessive or you will reduce the cable life.

1. Press down on the traction pedal and loosen the locknut securing the pedal stop to the floor plate.

2. Loosen the pedal stop until you obtain the desired transport speed.

3. Tighten the locknut securing the pedal stop.

The reservoir is filled at the factory with high-quality hydraulic fluid. Check the level of the hydraulic fluid before you first start the engine and daily thereafter; refer to Checking the Hydraulic-Fluid Level.

Recommended hydraulic fluid: Toro PX Extended Life Hydraulic Fluid; available in 19 L (5 US gallon) pails or 208 L (55 US gallon) drums.

Note: A machine using the recommended replacement fluid requires less frequent fluid and filter changes.

Alternative hydraulic fluids: If Toro PX Extended Life Hydraulic Fluid is not available, you may use another conventional, petroleum-based hydraulic fluid having specifications that fall within the listed range for all the following material properties and that it meets industry standards. Do not use synthetic fluid. Consult with your lubricant distributor to identify a satisfactory product.

Note: Toro does not assume responsibility for damage caused by improper substitutions, so use products only from reputable manufacturers who will stand behind their recommendation.

High Viscosity Index/Low Pour Point Anti-wear Hydraulic Fluid, ISO VG 46

Note: Many hydraulic fluids are almost colorless, making it difficult to spot leaks. A red dye additive for the hydraulic fluid is available in 20 ml (0.67 fl oz) bottles. A bottle is sufficient for 15 to 22 L (4 to 6 US gallons) of hydraulic fluid. Order Part No. 44-2500 from your authorized Toro distributor.

Important: Toro Premium Synthetic Biodegradable Hydraulic Fluid is the only synthetic biodegradable fluid approved by Toro. This fluid is compatible with the elastomers used in Toro hydraulic systems and is suitable for a wide-range of temperature conditions. This fluid is compatible with conventional mineral oils, but for maximum biodegradability and performance, the hydraulic system should be thoroughly flushed of conventional fluid. The oil is available in 19 L (5 US gallons) pails or 208 L (55 US gallons) from your authorized Toro distributor.

The hydraulic-fluid reservoir is filled at the factory with high quality hydraulic fluid. Before operating the machine each day, check the level of the hydraulic fluid. Your machine has a dipstick or a white plastic window on the front of the hydraulic-fluid reservoir (behind the seat on the left side) that is used to check the hydraulic-fluid level. The fluid should be between the window lines or the dipstick marks; if not, add the appropriate fluid.

Important: To prevent system contamination, clean the top of the hydraulic fluid containers before puncturing them. Ensure that the pour spout and funnel are clean.

1. Position the machine on a level surface.

   Note: Ensure that the machine has cooled down so the fluid is cold.

2. Check the hydraulic-fluid level by locating the dipstick for the hydraulic system at the top of the leak detector tank (Figure 38).

   

   Figure 38

   1. Dipstick
   2. Hydraulic-tank plug
   3. Hydraulic tank

3. Remove the dipstick and wipe it with a clean rag, then screw the dipstick back into the tank.

4. Remove the dipstick and check the fluid level.

   • If the fluid is between the marks on the dipstick, the level is sufficient.

   • If the fluid level is not between the marks, more fluid is needed.

5. If you need to add more hydraulic fluid, remove the hydraulic-tank plug from the hydraulic tank and slowly add specified hydraulic fluid to the tank until the fluid level is between the 2 marks on the dipstick.

   Note: Do not mix different types of hydraulic fluid.

6. Install the cap and dipstick.

   Note: Perform a close visual inspection of the hydraulic components. Inspect them for leaks, loose fasteners, missing parts, and improperly routed lines. Make any necessary repairs.

1. Park the machine on a level surface, shut off the engine, engage the parking brake, and remove the key.

2. Fill the replacement filter and lubricate the sealing gasket with the specified hydraulic fluid.

3. At the right side of the machine, align a drain pan under the hydraulic filter (Figure 39).

   

   Figure 39

   1. Hydraulic-fluid filter

4. Clean the area around the filter-mounting area of the filter head.

   Note: Have the replacement filter within reach before removing the old filter.

5. Remove the old hydraulic filter from the filter head and quickly install the new hydraulic filter (Figure 39) by turning it on by hand until the gasket contacts the filter head, then tighten the filter 3/4 turn further.

6. Wipe clean any part of the machine onto which hydraulic fluid ran.

7. Check the hydraulic fluid level and add the specified hydraulic fluid as needed; refer to Checking the Hydraulic-Fluid Level.

Note: Dispose of the filter and hydraulic fluid properly.

Hydraulic-Fluid Capacity: 25.7 L (6.8 US gallons)

1. Park the machine on a level surface, shut off the engine, engage the parking brake, and remove the key.

2. At the right side of the machine, align a drain pan with a 26.5 L (7 US gallons) or larger capacity under the hydraulic filter (

3. Clean the area around the filter-mounting area of the filter head.

4. Remove the hydraulic filter from the filter head and allow the hydraulic fluid to drain completely.

5. Install the new oil filter as instructed in steps 2 through 6 of Changing the Hydraulic Filter.

6. Fill the hydraulic reservoir with the specified hydraulic fluid; refer to Hydraulic Fluid Specifications and Checking the Hydraulic-Fluid Level.

7. Start the machine and run it at idle for 3 to 5 minutes to circulate the fluid and remove any air trapped in the system. Shut off the engine and check the fluid level.

1. With ignition switch in the ON position, move the leak detector switch rearward and hold. After the 1-second delay elapses, the alarm should sound.

2. Release the leak-detector switch.

1. Move the ignition switch to the ON position. Do not start the engine.

2. Remove the hydraulic-tank cap from the neck of the tank.

3. Insert a clean rod or screwdriver into the tank neck and gently push down on the float switch (Figure 43); the alarm should sound after the 1-second delay.

   

   Figure 43

   1. Clean rod or screwdriver
   2. Warning buzzer
   3. Press down on the float switch

4. Release the float; the alarm should stop sounding.

5. Install the hydraulic-tank cap.

6. Move the ignition switch to the OFF position.

The leak detector alarm may sound for 1 of the following reasons:

• A leak of 118 to 177 ml (4 to 6 oz) has occurred.

• The fluid level in the main reservoir is reduced by 118 to 177 ml (4 to 6 oz) due to contraction of the fluid by cooling.

If the alarm sounds, turn off the machine as quickly as possible and inspect it for leaks. If the alarm sounds while operating on a green, drive off the green first. Determine the source of the leak and repair it before continuing operation.

If you do not find a leak and suspect a false alarm, move the ignition switch to the OFF position and allow the machine to stand for 1 to 2 minutes to allow the fluid levels to stabilize. Then start the machine and operate it in a non-sensitive area to confirm that no leak exists.

False alarms, due to fluid contraction, may be caused by extended idling of the machine after normal operation. A false alarm may also occur if you work the machine at a reduced workload after an extended period of a heavier workload. To avoid false alarms, turn the machine off rather than idling for extended periods.

1. Lift up on the footrest and swing it open, allowing access to the center cutting unit position (Figure 45).

   Caution

   The footrest can pinch fingers if it falls into the closed position.

   Keep your fingers clear of the area where the footrest seats while it is open.

   

   Figure 45

   1. Footrest—closed
   2. Footrest—open

2. Position the cutting unit under the center suspension arm.

3. With the latches on the suspension-arm bar pointing up (i.e., open) (Figure 46), push the suspension arm down so that the bar fits over the bar across the top of the cutting unit (Figure 47).

   

   Figure 46

   1. Latch—closed position
   2. Suspension-arm bar
   3. Latch—open position
   

   Figure 47

   1. Suspension-arm bar
   2. Cutting-unit bar

4. Close the latches down and around the cutting-unit bar and lock them in place (Figure 46).

   Note: You can hear a click and feel when the latches are properly locked in place.

5. Coat the spline shaft of the cutting unit motor with clean grease (Figure 48).

6. Insert the motor into the left side of the cutting unit (as viewed from the operator's position) and pull the motor retaining bar on the cutting unit toward the motor until you hear a click from both sides of the motor (Figure 48).

   

   Figure 48

   1. Reel motor
   2. Spline shaft
   3. Cavity
   4. Motor-retaining bar

7. Mount a grass basket onto the basket hooks on the suspension arm.

8. Repeat this procedure for the other cutting units.

1. Park the machine on a clean level surface, lower the cutting units to the ground until the suspension hydraulics are fully extended, set the parking brake, shut off the engine, and remove the key.

2. Push the motor retaining bar out of the slots on the motor toward the cutting unit and remove the motor from the cutting unit.

   

   Figure 49

   1. Reel motor
   2. Motor-retaining bar

3. Move the motor to the storage location on the front of the suspension arm (Figure 50).

   

   Figure 50

   Note: When sharpening, setting the height of cut, or performing other maintenance procedures on the cutting units, store the cutting unit reel motors in the storage location on the front of the suspension arms to prevent damage to them.

   Important: Do not raise the suspension to the transport position when the reel motors are in the holders in the machine frame. Damage to the motors or hoses could result. If you must move the traction unit without the cutting units installed, secure them to the suspension arms using cable ties.

4. Open the latches on the suspension-arm bar of the cutting unit you are removing (Figure 46).

5. Disconnect the latches from the cutting-unit bar.

6. Roll the cutting unit out from under the suspension arm.

7. Repeat steps 2 through 6 for the other cutting units as required.

1. Stop the machine, engage the parking brake, and turn the ignition key to the OFF position.

2. Move the functional-control lever to the TRANSPORT position.

3. Ensure that the backlap lever is set to the FORWARD (F) position.

4. Get off the seat.

5. Hold the raise/lower mow control in the RAISED position.

6. Turn the ignition switch to the RUN position.

7. Count the codes as they begin to flash (you may release the raise/lower mow control once they begin flashing).

When finished, turn the key to the OFF position to exit diagnostic mode.

The system will display the last 3 faults that occurred in the last 40 hours. It displays the faults through a series of blinking lights, as follows:

• If there are no faults, the light will blink steadily at a medium rate without pauses (1 Hz).

• If there is a fault, it will first blink the tens place, followed by a pause, followed by the ones place. For the following examples, a # represents a blink. Examples:

  • If the code is 15, the blink pattern will be #_#####

  • If the code is 42, the blink pattern will be ####_##

  • If the code is 123, the blink pattern will be ############_###

• If there are more than 1 fault, the tens place of the next fault will begin after a pause after the ones place of the first fault.

  Note: The system stores only the 3 most recent fault codes.

For a list of error codes, refer to your authorized Toro distributor or the Service Manual.