Greensmaster® 3150 2-Wheel Drive Traction Unit

Fuel tank capacity: 26.6 L (7 US gallons)

Recommended Fuel: Unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method)

Ethanol: Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable. Ethanol and MTBE are not the same. Gasoline with 15% ethanol (E15) by volume is not approved for use.

• Never use gasoline that contains more than 10% ethanol by volume, such as E15 (contains 15% ethanol), E20 (contains 20% ethanol), or E85 (contains up to 85% ethanol).

• Do not use fuel that contains methanol.

• Do not store fuel either in the fuel tank or fuel containers over the winter, unless you use a fuel stabilizer.

• Do not add oil to gasoline.

• For best results, use only clean, fresh (less than 30 days old) fuel.

• Using unapproved gasoline may cause performance problems and/or engine damage, which may not be covered under the warranty.

Important: Do not use fuel additives other than a fuel stabilizer/conditioner. Do not use fuel stabilizers with an alcohol base such as ethanol, methanol, or isopropanol.

1. Clean around the fuel-tank cap and remove it (Figure 22).

   

   Figure 22

   1. Fuel-tank cap

2. Add the specified fuel to the fuel tank until the level is 25 mm (1 inch) below the bottom of the filler neck.

   This space in the tank allows the fuel to expand. Do not fill the fuel tank completely full.

3. Install the cap.

   Note: You will hear a click sound when the cap is secure.

4. Wipe up any spilled fuel.

Before starting the machine each day, perform the following procedures:

• Check the engine-oil level—refer to Checking the Engine Oil.

• Check the hydraulic-fluid level—refer to Checking the Hydraulic-Fluid Level.

• Check the reel-to-bedknife contact—refer to Checking the Reel-to-Bedknife Contact.

• Check the tire pressure—refer to Checking the Tire Pressure.

Refer to the engine manual supplied with the machine for oil change and maintenance procedures recommended during the break-in period.

Only 8 hours of operation is required for the break-in period.

Since the first hours of operation are critical to future dependability of the machine, monitor its functions and performance closely so that minor difficulties, which could lead to major problems, are noted and can be corrected. Inspect the machine frequently during break-in for signs of oil leakage, loose fasteners, or any other malfunction.

Note: Inspect the area beneath the mowers to be certain they are clear of debris.

1. Sit on the seat, ensure that the parking brake is engaged, disengage the raise/lower mow control, and move the functional control lever to the NEUTRAL position.

2. Ensure that your foot is not on the traction pedal and make sure the pedal is in the NEUTRAL position.

3. Move the choke lever to the ON position (only when starting a cold engine) and the throttle lever to the HALF THROTTLE position.

4. Start the engine and regulate the choke to keep it running smoothly.

5. As soon as possible, open the choke by pulling it rearward to the OFF position.

   Note: A warm engine requires little or no choking.

6. Check the machine out with the following procedures after the engine has started:

   1. Move the throttle lever to the FAST position.

   2. Move the traction-control lever to the MOW position and momentarily engage the reels by moving the raise/lower mow-control lever forward.

      The cutting units should drop and all the reels should rotate.

   3. Move the raise/lower mow control lever rearward until the cutting units raise to the full transport position.

      The cutting units stop rotating as soon as they start to lift. If you release the lever before the cutting units are fully raised, the upward motion stops, but the cutting units still stop rotating.

   4. Lock the parking brake and shut off the engine.

   5. Check the lip of each basket to ensure it is not in contact with the reel during operation.

      If you see signs of contact, adjust the pull arms; refer to Installing the Cutting Units.

   6. Check for oil leaks and tighten the hydraulic fittings if any are found.

      Note: When the machine is new and the bearings and reels are tight, it is necessary to use the FAST throttle lever position for this check. A fast throttle setting may not be required after the break-in period.

      Note: If oil leaks continue to appear, contact your authorized Toro distributor for assistance and, if necessary, replacement parts.

      Important: A trace of oil on the motor or wheel seals is normal. Seals require a small amount of lubrication to perform properly.

1. Move the throttle lever to the FAST position.

2. Move the raise/lower mow control lever forward momentarily.

   The cutting units should lower and all the reels should rotate.

   Note: The function lever should be in the middle (mow) position for the reels to run when lowering the cutting units

3. Move the raise/lower mow control lever rearward.

   The cutting reels should stop rotating and the cutting units should raise to the full transport position.

4. Engage the brake to keep the machine from moving, and operate the traction pedal through the forward and reverse positions.

5. Continue the above procedure for 1 to 2 minutes. Move the functional-control lever to the NEUTRAL position, lock the parking brake, and shut off the engine.

6. Check for fluid leaks and tighten the hydraulic fittings if any leaks are found.

   Note: When the machine is new and the bearings and reels are tight, it is necessary to use the FAST throttle lever position for this check. A fast throttle setting may not be required after the break-in period.

   Note: If fluid leaks continue to appear, contact your authorized Toro distributor for assistance and, if necessary, replacement parts.

   Important: A trace of fluid on the motor or wheel seals is normal. Seals require a small amount of lubrication to perform properly.

1. Move the throttle lever to the SLOW position, pull back the raise/lower mow control, and move the functional-control lever to the NEUTRAL position.

2. Rotate the ignition key to the OFF position to shut off the engine. Remove the key from the switch to prevent accidental starting.

3. Close the fuel-shutoff valve before storing the machine.

The purpose of the safety-interlock system is to prevent operation of the machine where there is possible injury to you or damage to the machine.

The safety-interlock system prevents the engine from starting unless:

• The traction pedal is in the NEUTRAL position.

• The functional-control lever is in the NEUTRAL position.

The safety-interlock system prevents the machine from moving unless:

• The parking brake is disengaged.

• You are seated in the operator's seat.

• The functional-control lever is in the MOW position or the TRANSPORT position.

The safety-interlock system prevents the reels from operating unless the functional-control lever is in the MOW position.

• Ensure that the cutting units are fully raised.

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

• Use the brakes to slow the machine while going down steep hills to avoid loss of control.

• Always approach rough areas at a reduced speed and cross severe undulations carefully.

• Familiarize yourself with the width of the machine. Do not attempt to pass between objects that are close together to prevent costly damage and downtime.

Important: If the leak detector alarm (if equipped on your model) sounds or you notice an oil leak while cutting on a green, immediately raise the cutting units, drive directly off the green, and stop the machine in an area away from the green. Determine the cause of the leak and correct the problem.

Before mowing greens, find a clear area and practice performing basic machine functions (e.g., starting and stopping the machine, raising and lowering the cutting units, and turning).

Inspect the green for debris, remove the flag from the cup, and determine the best direction to mow. Base the direction to mow on the previous mowing direction. Always mow in an alternate pattern from the previous mowing so that the grass blades are less apt to lay down and therefore be difficult to trap between the reel blades and the bedknife.

In case of an emergency, you can tow the machine for up to 0.4 km (1/4 mi).

Important: Do not tow the machine faster than 3 to 5 km/h (2 to 3 mph) to avoid damaging the drive system. If you must move the machine more than 0.4 km (1/4 mi), transport it on a truck or trailer.

1. Locate the bypass valve on the pump (Figure 25).

   

   Figure 25

   1. Bypass valve
   2. Bottom of the machine

2. Open the bypass valve by turning the valve 3 revolutions counterclockwise.

3. Before starting the engine, tighten the bypass valve and torque the valve to 12 N∙m (9 ft-lb).

   Important: Do not start the engine when the bypass valve is open.

After mowing, thoroughly wash the machine with a garden hose without a nozzle so that excessive water pressure does not contaminate and damage the seals and bearings. Do not wash a warm engine or the electrical connections with water.

After cleaning the machine, do the following:

• Inspect the machine for possible hydraulic fluid leaks, damage or wear to hydraulic and mechanical components.

• Inspect the cutting units for sharpness.

• Lubricate the brake-shaft assembly with SAE 30 oil or spray lubricant to deter corrosion and help keep the machine performing satisfactorily during the next mowing operation.

• Use care when loading or unloading the machine into a trailer or a truck.

• Use a full-width ramp for loading the machine into a trailer or a truck.

• Tie the machine down securely using straps, chains, cable, or ropes. Both front and rear straps should be directed down and outward from the machine (Figure 26).

  

  Figure 26

  1. Tie-down loop (each side)
  2. Rear tie-down loop

Note: If you remove the seat assembly frequently, you can replace the roll pin with an R-key pin (Part No. 3290-467).

Remove the seat assembly to access the valve block area of the machine.

1. Unlatch and raise the seat, securing it with the prop rod.

2. Disconnect the 2 wire-harness connectors under the seat.

3. Lower the seat and remove the roll pin securing the seat-pivot rod to the frame (Figure 27).

   

   Figure 27

   1. Roll pin
   2. Seat-pivot rod

4. Slide the seat-pivot rod to the left.

5. Move the seat forward and lift it out of the machine.

6. Reverse the procedure to install the seat.

Before raising the machine, lower the cutting units. The jacking points are as follows:

• Right side—under the jack pad and adjacent to the ROPS-support bracket (Figure 28)

• Left side—under the step

• Rear—at the caster fork

Figure 28

1. Jack pad

Lubricate the grease fittings regularly with No. 2 lithium grease.

Locate the grease fitting as follows:

• Rear-roller-hub assembly or, if equipped with a 3-wheel-drive kit, rear-wheel-roller clutches and external ball bearing (1) (Figure 29)

  

  Figure 29

• Steering-fork shaft (1) (Figure 30)

• Steering-cylinder-rod end (Figure 30)

  

  Figure 30

• Lift-arm pivot (3) and pivot hinge (3) (Figure 31)

  

  Figure 31

• Pull-frame shaft and roller (12) (Figure 32)

  

  Figure 32

• Steering-cylinder end (Figure 33)

  

  Figure 33

• Lift cylinders (3) (Figure 34)

  

  Figure 34

• Traction pedal (Figure 35)

  

  Figure 35

• Speed-selector linkage (Figure 36 and Figure 37)

  

  Figure 36

  

  Figure 37

1. Wipe the grease fitting clean so foreign matter cannot be forced into the bearing or bushing.

2. Pump grease into the bearing or bushing until the grease is visible. Wipe up excess grease.

3. Apply grease to the reel motor spline shaft and onto the lift arm when you remove the cutting unit for service.

4. Apply a few drops of SAE 30 engine oil or spray lubricant (WD 40) to all pivot points daily after cleaning.

1. Clean the air-cleaner cover (Figure 38).

   

   Figure 38

   1. Air-cleaner cover

2. Release the locking clips and remove the air-cleaner cover.

3. Remove the wing nut securing the elements to the air-cleaner body (Figure 39).

4. If the foam element is dirty, remove it from the paper element (Figure 39). Clean it thoroughly, as follows:

   1. Wash the foam element in a solution of liquid soap and warm water. Squeeze it to remove dirt.

   2. Dry it by wrapping it in a clean rag. Squeeze the rag and foam element dry.

      Important: When drying the foam element, do not twist it; the foam may tear.

      

      Figure 39

      1. Foam element
      2. Paper element

5. Check the condition of the paper element. Clean it by gently tapping it on a flat surface or replace it if needed.

6. Install the foam element, paper element, wing nut, and air-cleaner cover.

   Important: Do not operate the engine without the air-cleaner element because extreme engine wear and damage will likely result.

The engine is shipped with oil in the crankcase; however, you must check the oil level before and after starting the engine the first time.

Spark plug specification: Champion RC 14YC

Air gap specification: 0.76 mm (0.030 inch)

1. Clean the area around the spark plugs so that foreign matter cannot fall into the cylinder.

2. Pull the wires off the spark plugs and remove the plugs.

3. Check the condition of the side electrode, center electrode, and center electrode insulator to ensure that there is no damage.

   Important: Replace a cracked, fouled, dirty, or otherwise malfunctioning spark plug. Do not sand blast, scrape, or clean electrodes by using a wire brush because grit may eventually release from the plug, fall into the cylinder, and damage the engine.

4. Set the air gap between the center and side of the electrodes at 0.76 mm (0.030 inches) as shown in Figure 42.

   

   Figure 42

   1. Set air gap to 0.76 mm (0.030 inches).

5. Install the spark plug and gasket seal, and torque the plug to 23 N∙m (200 in-lb).

The in-line fuel filter is in the fuel line between the fuel tank and carburetor (Figure 43).

1. Close the fuel-shutoff valve (Figure 43).

   

   Figure 43

   1. Fuel-shutoff valve
   2. Fuel filter

2. Place a drain pan under the filter, loosen the hose clamp on the carburetor side of filter, and remove the fuel line from the filter (Figure 43).

3. Loosen the other hose clamp and remove the filter (Figure 43).

4. Install the new filter with the arrow on the filter body pointing away from the fuel tank.

Inspect the fuel lines for deterioration, damage, or loose connections.

1. Disconnect the negative cable (black) and then the positive cable (red) from the battery (Figure 44).

   

   Figure 44

   1. Negative (-)
   2. Positive (+)

   Warning

   Incorrect battery cable routing could damage the tractor and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

   Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.

2. Remove the fasteners and battery clamp and lift out the battery.

3. Connect a 2 to 4 A battery charger to the battery posts. Charge the battery for at least 2 hours at 4 A or for at least 4 hours at 2 A until the specific gravity is 1.250 or higher and the temperature is at least 16°C (60°F) with all cells gassing freely.

   Warning

   Charging the battery produces gasses that can explode.

   Never smoke near the battery and keep sparks and flames away from the battery.

   Important: If you do not charge the battery for at least the time specified above, you may reduce the life of the battery.

4. When the battery is charged, disconnect the charger from the electrical outlet and battery posts.

5. Place the battery on the battery tray and secure it with the battery clamp and fasteners removed previously.

6. Install the positive cable (red) to the positive (+) terminal and then the negative cable (black) to the negative (–) terminal of the battery (Figure 44) and secure them with the previously removed bolts and nuts. Slide the rubber boot over the positive terminal to prevent a possible short from occurring.

   Warning

   Incorrect battery cable routing could damage the tractor and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

   Always connect the positive (red) battery cable before connecting the negative (black) cable.

The fuses in the electrical system of the machine are located under the seat (Figure 45).

Figure 45

1. Fuses

Vary the tire pressure for the front wheels, depending upon your turf conditions, from a minimum of 55 kPa (8 psi) to a maximum of 83 kPa (12 psi).

Vary the tire pressure for the rear wheel from a minimum of 55 kPa (8 psi) to a maximum of 103 kPa (15 psi).

Wheel nut torque specification: 95 to 122 N∙m (70 to 90 ft-lb)

Note: To ensure even distribution, torque the wheel nuts in a X pattern.

If the machine creeps when the traction control pedal is in the NEUTRAL position, adjust the neutral-return mechanism.

1. Block up under the frame so that one of the front wheels is off of the floor.

   Note: If the machine is equipped with a 3-Wheel Drive Kit, raise and block the rear wheel.

2. Start the engine, move the throttle to the SLOW position, and ensure that the front wheel that is off of the floor is not rotating.

3. If the wheel is rotating, shut off the engine and proceed as follows:

   1. Loosen both jam nuts securing the traction-control cable to the bulkhead on the hydrostat (Figure 46). Ensure that the jam nuts are loosened equally and sufficiently to allow adjustment.

      

      Figure 46

      1. Traction cable
      2. Bulkhead
      3. Jam nuts
      4. Eccentric
      5. Locknut

      Note: Loosen the nut securing the eccentric to the top of the hydrostat (Figure 46).

   2. Move the functional-control lever to the NEUTRAL position and the throttle lever to the SLOW position.

   3. Start the engine.

   4. Rotate the eccentric until creep does not occur in either direction.

   5. When the wheel stops rotating, tighten the nut locking the eccentric and the adjustment (Figure 46).

   6. Verify the adjustment with the throttle lever in the SLOW and FAST position.

   7. From each side of the bulkhead, tighten the locknuts evenly, securing the traction cable to the bulkhead (Figure 46). Do not twist the cable.

      Note: If cable tension exists when the functional-control lever is in the NEUTRAL position, the machine may creep when you move the lever to the MOW or TRANSPORT position.

Factory setting: 6.1 km/h (3.8 mph)

1. Loosen the jam nut on the trunnion bolt on the side of the traction pedal (Figure 48).

   

   Figure 48

   1. Trunnion bolt
   2. Jam nut

2. Rotate the trunnion bolt counterclockwise to increase the mowing speed and clockwise to decrease it.

3. Tighten the jam nut without turning the trunnion bolt and check the ground speed. Repeat this procedure, if required.

Firmly apply the brakes and drive the machine at mowing speed until the brakes are hot, as indicated by their smell. You may need to adjust the brakes after the break-in period; refer to Adjusting the Brakes.

A brake adjustment rod is located at each side of the machine so that you can adjust the brakes equally.

1. While moving forward in transport speed, press the brake pedal; both wheels should apply equally.

   Caution

   Testing the brakes in a confined area where others are present could cause injury.

   Always check the brakes in a wide, open-spaced, flat area free from people and obstructions before and after the adjustment.

2. If the brakes do not apply equally, adjust the brakes as follows:

   1. Disconnect the brake rods by removing the cotter pin and clevis pin (Figure 49).

      

      Figure 49

      1. Clevis pin and cotter pin
      2. Jam nut
      3. Clevis
      4. Brake shaft

   2. Loosen the jam nut and adjust the clevis accordingly (Figure 49).

   3. Assemble the clevis to the brake shaft (Figure 49).

   4. When you press the brake pedal, the pedal should move 13 to 26 mm (1/2 to 1 inch) travel before the brake shoes contacts the brake drums. Adjust the clevis on the brake shaft, if necessary, to achieve this setting.

   5. While moving forward in transport speed, press the brake pedal; both brakes should apply equally. Adjust them, if necessary.

Important: Burnish the brakes annually; refer to the Burnishing the Brakes section.

The cutting unit lift/drop circuit comes with a flow-control valve (Figure 50). This valve is preset at the factory at approximately 3 turns open, but you may need to adjust it to compensate for differences in hydraulic fluid temperatures, mowing speeds, etc.

Note: Allow the hydraulic fluid to reach full operating temperature before adjusting the flow-control valve.

1. Locate the flow-control valve below the seat (Figure 50).

   

   Figure 50

   1. Flow-control valve

2. Loosen the jam nut at the adjusting knob on the flow control valve.

3. Adjust the flow control valve as follows:

   • Rotate the knob counterclockwise if the center cutting unit is dropping too late or

   • Rotate the knob clockwise if the center cutting unit is dropping too early.

   Note: You should not need to rotate it more than 1/32 to 1/16 of a turn.

4. Test the adjustment and repeat step 3 as needed; when finished, tighten the jam nut.

To regulate the height of the front cutting units when in the raised (transport) position, you can adjust the front-lift cylinders.

1. Lower the cutting units to the ground.

2. Remove the bolts that secure the cover plate of the lift cylinder that you are adjusting from the support brackets of the chassis (Figure 51).

   

   Figure 51

   1. Bolt
   2. Right cover plate
   3. Left cover plate

3. Loosen the jam nut securing the clevis fitting to the cylinder of the cutting-unit that needs to be adjusted (Figure 52).

   

   Figure 52

   1. Cutting unit-lift arm
   2. Retaining pin
   3. Clevis fitting
   4. Clevis pin

4. Remove the retaining pin and clevis pin (Figure 52)

5. Rotate the clevis until you attain the desired height (Figure 53).

   

   Figure 53

   1. Clevis fitting
   2. Jam nut

6. Assemble the clevis fitting to the lift arm with the clevis pin and retaining pin, and tighten the jam nut (Figure 52 and Figure 53).

7. Install the cover plate and bolts that you removed in step 2.

Important: Regardless of the hydraulic fluid type used, any traction unit used for off-green applications, verticutting or used during ambient temperatures above 29°C (85°F) should have the Oil Cooler Kit (Part No. 105-8339) installed.

Check the hydraulic lines and hoses daily for leaks, kinked lines, loose mounting supports, wear, loose fittings, weather deterioration, and chemical deterioration. Make all necessary repairs before operating.

The leak detector system is designed to assist in early detection of hydraulic-fluid-system leaks. If the fluid level in the main hydraulic reservoir is lowered by 118 to 177 ml (4 to 6 oz), the float switch in the tank will close. After a 1 second delay, the alarm sounds, alerting the operator (Figure 59). Expansion of fluid, due to normal heating during machine operation, causes the fluid to transfer into the auxiliary fluid reservoir. The fluid returns to the main tank when you turn off the ignition switch.

Figure 57

Before Starting (fluid cold)

1. Breather
2. Filler neck
3. Overflow tube
4. Dipstick (if equipped)
5. Sight window (if equipped)
6. Solenoid-return valve open
7. Float-raised switch open
8. No sound
9. Fluid level (cold)

Figure 58

Normal Operation (fluid warm)

1. Solenoid-return valve closed
2. Float-raised switch open
3. Warning buzzer
4. Fluid level (warm)

Figure 59

Leak Alert!

1. Float-down switch closedFluid level down 118 to 177 ml (4 to 6 oz)
2. Warning buzzer
3. Fluid level (warm)

Each day before operating the machine, check the reel-to-bedknife contact, regardless if the quality of cut had previously been acceptable. There must be light contact across the full length of the reel and bedknife; refer to the Cutting Unit Operator’s Manual.

To achieve a consistent, high-quality cut and a uniform after-cut appearance, you must correctly set the reel speed control (located on the manifold block under the cover to the left of the seat). Adjust the reel speed control as follows:

1. Decide the height of cut at which the cutting units are set.

2. Decide the desired ground speed best suited for conditions.

3. Use table that follows to determine the reel-speed setting for your 5-, 8-, 11-, or 14-blade cutting units (Figure 61).

   

   Figure 61

4. Tilt the operator’s seat forward and support it with the prop rod (Figure 62).

   

   Figure 62

5. To adjust the reel speed by rotating the knob of the reel-speed control (Figure 63) until the indicator arrow are in line with the number that you determined in step 3.

   

   Figure 63

   1. Knob (reel-speed control)
   2. Handle (backlap lever)
   3. Indicator arrow

   Note: You can increase or decrease the reel speed to compensate for turf conditions.

1. Position the machine on a level surface, lower the cutting units, shut off the engine, remove the key, and set the parking brake.

2. Tilt the operator’s seat forward and support it with the prop rod (Figure 64).

   

   Figure 64

3. Make initial reel to bedknife adjustments appropriate for honing all the cutting units that you are backlapping; refer to the Cutting Unit Operator's Manual.

4. Rotate the backlap lever to the R position (Figure 65).

   

   Figure 65

   1. Knob (reel-speed control)
   2. Handle (backlap lever)
   3. R position
   4. F position

5. Rotate the reel-speed knob to setting 1 (Figure 65).

6. Start the engine and run at low idle speed.

   Important: Do not change the engine speed while backlapping or the reels may stall. Only backlap at idle engine speed.

7. With the mow/transport lever in the NEUTRAL position, move the raise/lower mow control forward to start the backlapping operation on the reel.

8. Apply lapping compound with a long handle brush. Never use a short-handled brush.

   • If the reels stall or become erratic while backlapping, select a higher reel speed setting until the speed stabilizes, then return the reel speed to setting 1 or to your desired speed.

   • To make an adjustment to the cutting units while backlapping, turn the reels off by moving the raise/lower mow control rearward and shut off the engine. After completing adjustments, repeat steps 4 through 8.

9. Repeat the steps 4 through 8 for all cutting units that you want to backlap.

10. When finished, return the backlap lever to the F position, move the reel speed knob to the desired reel-speed setting, lower the seat, and wash all lapping compound off of the cutting units. Adjust cutting unit reel to bedknife as needed.

    Important: If you do not return the backlap lever to the F position after backlapping, the cutting units will not raise or function properly.