Service Manual

Groundsmaster 7200/7210Hydraulic System Page 4 – 76
41.Lubricate new O–rings and install O–rings onto two
(2) hex plugs. Install plugs into pump body. Torque plugs
from 14 to 15 ft–lb (18 to 21 N–m).
42.Apply sealant to threads of four (4) socket head plugs
and install into pump body. Torque plugs from 78 to 95
in–lb (8.8 to 10.8 N–m).
1. Hex plug (2 used) 2. Socket plug (4 used)
Figure 89
1
2
43.Lubricate accumulator components with clean hy-
draulic oil. Install piston, spring and collar into pump
body. Make sure that hole in collar is toward the outside
of the pump body.
44.Position new gasket to accumulator cover. Secure
cover to pump body with two (2) bolts. Torque bolts from
17 to 19 ft–lb (22 to 27 N–m).
1. Accumulator piston
2. Accumulator collar
3. Collar hole
4. Accumulator cover
Figure 90
4
2
1
3
45.Lubricate charge relief valve and spring with clean
hydraulic oil and install into pump body.
46.Lubricate pressure valve and spring with clean hy-
draulic oil and install into pump body.
47.Lubricate new O–rings and install O–rings onto valve
plugs. Install plugs into pump body. Torque plugs from
17 to 19 ft–lb (22 to 27 N–m).
1. Charge relief valve
2. Pressure valve
3. Charge relief plug
4. Pressure valve plug
Figure 91
4
3
2
1
48.Lubricate filter bypass valve and spring with clean
hydraulic oil and install into pump body.
49.Lubricate new O–ring and install O–ring onto plug.
Install plug into pump body. Torque plug from 17 to 19
ft–lb (22 to 27 N–m).
1. Filter bypass valve 2. Filter bypass plug
Figure 92
2
1