Groundsmaster 4500--D/4700--D Hydraulic SystemPage 4 -- 101
For solenoid and control valve service procedures, see
4WD/2WDControl Manifold Service in this s ection. Re-
fer to Figures 83 and 84 for cartridge valve and plug
installation torque.
IMPORTANT: A pilot piston (item 6) is placed be-
neath each of the relief valves in deck control man-
ifoldports RV8,RV9,RV10and RV11. If arelief valve
is removed from the manifold,makesure toremove
pilot piston and label its position f or assembly pur-
poses. When installing the pilot piston in the man-
ifold,make sure thatthe pilot piston slidesfullyinto
the port before installing relief valve.
1. Manifold body
2. Zero leak plug (#6)
3. Zero leak plug (#4)
Figure 84
1
3
2
UP
2
25 ft--lb
(33.9 N--m)
20 ft--lb
(27.1 N--m)
20 ft--lb
(27.1 N--m)
Hydraulic
System
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