30.Lubricate
O–rings and backup rings for bypass
1
valves. Position rings on bypass valves and install
valves into center case. Torque valves from 62 to 79 in–
lb (7 to 9 N–m).
5
31.Lubricate
sealing washers and install onto forward
and reverse relief valve cartridges.
2
IMPORTANT: The forward and reverse relief car-
tridges are different. Use labels made during disas-
sembly to make sure the relief cartridges are
properly installed.
4
3
3
32.Thread
relief cartridges into correct center case
4
ports and torque from24 to 27 ft–lb (32 to 37 N–m). The
reverse relief valve cartridges can be identified by the
groove in the hex head (Fig. 84).
Figure 83
1.
2.
3.
Bypass valve
4.
5.
Forward relief cartridge
Valve plate
Center case
33.Apply
clean grease to mating surfaces of center case
Reverse relief cartridge
and valve plates to hold valve plates in position during
assembly. Install valve plates to dowel pins in center
plate.
1
2
3
Figure 84
1.
2.
Forward relief cartridge
Reverse relief cartridge
3.
Hex head groove
34.Install
two (2) pins into transmission pump housing
bores. Position new gasket on pump housing.
35.Position
center case assembly to transmission pump
housing making sure that valve plates remain in posi-
tion.
1
36.Secure
center case to transmission pump housing
3
with eight (8) socket head screws. Tighten screws even-
ly in a crossing pattern and then torque screws from 17
to 19 ft–lb (22 – 27 N–m).
2
Figure 85
1.
2.
Center case
Pump housing
3.
Pin (2 used)
Hydraulic System
Page 4 – 74
Groundsmaster 7200/7210
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 7200, Toro Groundsmaster 7210 |
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|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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My mower is a TORO 7210.
Start fuse defection. Why ?