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GENERAL LUBRICATION
Apply a small amount of oil to the pivot points as required for
smooth operation (Figure 9).
Apply high quality lithium based grease to all lube fittings
every 50 hours of operation.
NOTE: The mower spindle assembly is maintenance free.
1
1
1. Wheel Bearings
2. Flange Bushings
Figure 9
PUMP ACTUATING LINKAGE (988105, 106,
107, 108, 109, 113)
Clean debris from pump actuating linkage to ensure smooth
operation. Clean rust from sliding pins with fine emery cloth
and apply a thin coat of oil to lubricate (Figure 10).
Sliding Pin
Pump Actuating
Linkage
ADJUSTING THE UNIT TO TRACK STRAIGHT
Check Forward Tracking
1. Start engine and run unit at full throttle.
2. Slowly release both steering levers to the full outward
position (988105, 106, 107, 108, 109, 113).
Slowly push both control levers against the pivot bar
(988116, 117, 120, 314).
3. Note which direction, if any, the unit pulls.
4. Stop unit and engine.
1
2
2
1
OG1480
Pump
Figure 10
5. Adjust tracking if needed.
Try each of the following steps until the unit tracks straight. It
may not be necessary to perform all the steps.
If unit turns to the right
1. Set speed control levers to neutral (see Speed Control
Neutral Adjustment (988105, 106, 107, 108, 109, 113,
116, 117, 120) on page 20).
2. Reduce the air pressure in the left tire.
3. Increase the air pressure in the right tire.
4. Adjust the clevis on the right steering control rod down
the rod.
If unit turns to the left
1. Set speed control levers to neutral (see Speed Control
Neutral Adjustment (988105, 106, 107, 108, 109, 113,
116, 117, 120) on page 20).
2. Reduce the air pressure in the right tire.
3. Increase the air pressure in the left tire.
4. Adjust the clevis on the left steering control rod down
the rod.
Check Reverse Tracking (988116, 117, 120, 314)
WARNING: Uncontrolled reverse travel can
result in serious injury.
Do not put control levers into the reverse
position unless you are prepared to operate in
reverse.
1. Adjust forward tracking (See Check Forward Tracking
on page 19).
2. Slowly pull both control levers all the way back.
3. Note which direction, if any, the unit pulls.
4. Stop unit and engine.
5. Adjust tracking if needed.
If unit turns to the right:
1. Reduce the air pressure in the left tire.
2. Increase the air pressure in the right tire.
3. Turn the reverse stop bolt on the right neutral
adjustment bracket counterclockwise to speed up the
right wheel.
4. Check reverse tracking and adjust as needed.
If unit turns to the left:
1. Reduce the air pressure in the right tire.
2. Increase the air pressure in the left tire.
3. Turn the reverse stop bolt on the right neutral
adjustment bracket clockwise to slow down the right
wheel.
4. Check reverse tracking and adjust as needed.
GB - 19
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