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Drive System
Maintenance
Note:
The hydrostatic transmission is factory-filled
and sealed. It does not require maintenance. For
service, contact your Authorized Service Dealer.
Checking the Tire Pressure
Service Interval: Before each use or daily
Maintain the air pressure in the tires as specified. To
get the most accurate reading, check the tires when
they are cold.
Pressure: 165 kPa (24 psi)
Figure 22
1. Valve stem
Adjusting the Self-Propel
Drive
If the machine creeps either forward or rearward when
the engine is on and the self-propel drive bail is in
neutral, complete the following procedure:
1.
Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire.
2.
Raise the cutting blades to the highest position.
3.
Squeeze the self-propel drive bail to the handle
until the transmission is fully stroked.
•
If the bail contacts the handle, release the
bail. If the bail does not contact the handle,
then proceed to step 4.
•
Loosen the top adjustment nut 1 turn, and
tighten the bottom adjustment nut.
•
Squeeze the bail to the handle.
•
Repeat this step until there is a gap of up to
3.2 mm (1/8 inch) between the self-propel
drive bail and the handle.
•
Once the gap is achieved, proceed with step
4.
1. Adjustment nuts
2. Cable
3. Jam nut
4.
Remove the hairpin and rotate the turnbuckle
clockwise 1 full turn.
5.
Install the hairpin and rotate the jam nut against
the turnbuckle.
6.
Start the engine and test the adjustment,
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repeating this procedure as necessary.
Changing the
Hydraulic-Transmission
Fluid
Service Interval: Every 100 hours
1.
Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire. Engage
the parking brake.
2.
Remove the transmission from the machine.
3.
Carefully clean the area around the expansion
tank and oil-fill port.
Important:
contamination to enter the hydraulic system.
4.
Remove and retain the oil-fill port fitting, and
position the transmission so that the oil drains
completely out of the housing.
5.
When all the oil has drained from the transaxle,
remove and retain the #10-32 x 1/2 inch
self-tapping screw and the ratchet fastener
holding the expansion tank to the housing.
6.
Remove the expansion tank, and drain the oil.
Note:
Do not remove the vent cap from the
tank.
26
Figure 23
4. Turnbuckle
5. Self-propel drive bail
Do not allow any dirt or
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