HYDROSTATIC POWER TRAIN
4203780 First Edition 5-49
5
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove the 4WD valve. (See “4WD Valve” on
page 5-53.)
NOTE
It may be necessary to rotate the flywheel to access all of
the pump drive flange screws.
3. Remove six screws (10) and lock washers (11) from
pump drive flange (12) and flywheel (3).
!
WARNING
4. Attach a suitable lifting device to the engine.
NOTE
\
It may be necessary to unbolt the muffler down pipe from
the exhaust manifold flange to allow engine movement.
5. Remove the four engine mount screws (1), washers
(2), nuts (6), and lock washers (5), and carefully
move the engine to the rear of the mower as far as
possible.
6. Slide the U-joint off the traction pump input shaft, and
remove the U-joint/pump drive flange assembly from
the mower.
7. Remove four nuts (7), lock washers (8), and screws
(4), and remove the U-joint (9) from the pump drive
flange (12).
Installation Notes
• Install traction pump U-joint by reversing the order of
removal.
• Replace hydraulic oil filter.
• Refill hydraulic oil tank. (Refer to “Safety, Operation,
and Maintenance Manual” for oil specifications.)
• Start engine. Check hydraulic system for leaks.
Repair as necessary.
• Check hydraulic oil level and add if necessary.
Prevent personal injury. Use a properly rated
lifting device. Always be sure the load is
balanced before lifting.
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