Adjustments
Adjust Control Manifold Relief Valves
Several of the hydraulic control manifolds on the
Groundsmaster includeadjustablereliefvalves.Thefol-
lowing procedure can be used to adjust these relief
valves. Refer to the Testing section of this chapter for in-
formation on testing relief pressure.
NOTE: Do not remove relief valve from the hydraulic
manifold for adjustment.
1
1.
2.
3.
Locate relief valve and remove cap from valve.
Remove cap on relief valve with an allen wrench.
To increase pressure setting, turn the adjustment
socket on the valve in a clockwise direction. A 1/8 turn
on the socket will make a measurable change in relief
pressure.
2
4.
To decrease pressure setting, turn the adjustment
socket on the valve in a counterclockwise direction. A
turn on the socket will make a measurable change
in relief pressure.
1/8
5.
6.
Install and tighten cap on relief valve.
Figure 51
1.
Relief valve cap
2.
Adjustment socket
Recheck relief pressure and readjust as needed.
Groundsmaster 4100--D/4110--D
Page 4 -- 71
Hydraulic System
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