HYDROSTATIC POWER TRAIN
4181383 First Edition 5-31
5
1. Park the mower safely. (See “Park Mower Safely” on
page 1-5.)
2. Remove traction pump. (See “Traction Pump” on
page 5-27.)
3. Disassemble traction pump as shown in Figure 5-30
on page 5-30.
4. Place parts in assembly order on a clean work area
as they are removed.
NOTICE
Inspection Notes
• Keeping parts in assembly order, clean and air dry
each item for inspection.
• Inspect for worn or defective parts.
• Look for metal chips or slivers during cleaning (an
indication of damage to pump or other hydraulic
component).
• Inspect all parts for cracks, nicks, burrs, and
excessive wear. Inspect for scoring, galling, and
scratches on surfaces. Replace parts as necessary.
Assembly Notes
• Assemble the pump by reversing the order of
disassembly.
• Install new O-rings and seals. Use clean grease to
keep seals in position.
It is important that all pump parts are absolutely
clean, as contamination can result in serious
damage and/or improper operation.
Never use shop towels or rags to dry parts after
cleaning, as lint may clog passages. Dry parts
using compressed air.
Required Materials
Overhaul Seal and Gasket Kit
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