Service Manual

Groundsmaster 7200/7210Hydraulic System Page 4 – 60
15.Remove eight (8) socket head screws that secure
center case to transmission pump housing.
16.Carefully remove center case assembly from trans-
mission pump housing.
17.Remove two (2) pins from transmission pump hous-
ing bores. Remove and discard gasket.
1. Center case
2. Pump housing
3. Pin (2 used)
Figure 48
2
1
3
18.Remove bypass valves from center case. Remove
and discard O–rings and backup rings from bypass
valves.
IMPORTANT: The forward and reverse relief car-
tridges are different. Label the relief cartridges for
assembly purposes.
19.Remove forward and reverse relief valve cartridges
from center case noting relief cartridge location for as-
sembly purposes. The reverse relief valve cartridges
can be identified by the groove in the hex head (Fig. 50).
20.Remove valve plates from center case. Mark the
positions of the valve plates so they can be assembled
in the same position.
1. Bypass valve
2. Center case
3. Reverse relief cartridge
4. Forward relief cartridge
5. Valve plate
Figure 49
2
5
1
4
4
3
3
1. Forward relief cartridge
2. Reverse relief cartridge
3. Hex head groove
Figure 50
3
1
2