GZD15, WSM TRANSAXLE
2-S24
6. SERVICING
[1] HYDROSTATIC TRANSMISSION
Centre Section
1. Check the surface (1) of centre section for scratches or wear.
If deep scratch or excessive wear is found, replace the
hydrostatic transmission assembly.
Check and High Pressure Relief Valve
1. Check the valves (3) for scratches and damage.
2. Check the spring (2) for breakage and wear.
3. If anything are unusual, replace the valve and spring.
Cylinder Block Assembly
1. Check the cylinder block (1) and pistons (2) for scratches and
wear.
2. If scratch or worn, replace the cylinder block assembly.
3. Check that the piston (2), spring (3) are in each cylinder bore.
4. Check the pistons for their free movement in the cylinder block
bores.
5. If the piston or the cylinder block is scored, replace the cylinder
block assembly.
6. Check the polished face (4) of cylinder block for scoring.
7. If scored, replace the cylinder block assembly.
A Do not interchange pistons between pump and motor
cylinder block. Pistons and cylinder blocks are matched.
(1) Surface
0000001691E
(1) Plug (3) Valve
(2) Spring
0000001656E
(1) Cylinder Block (3) Spring
(2) Piston (4) Polished Face
0000001657E
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