Grove Published 01-29-2015, Control # 512-01 2-25
TMS700E SERVICE MANUAL HYDRAULIC SYSTEM
3. Remove pressure gauge from the test port and reinstall
cap.
Procedure for Checking Swing Valve Main
Relief Pressure
1. Remove cap and install pressure gauge on swing inlet
test port per Figure 2-10. Locate needle valve plumbed
between work ports A and B. Loosen locking nut and
rotate knob clockwise until it bottoms out, and retighten
locking nut.
2. With the swing lock pin engaged and the engine running
at full RPM, swing left or right and adjust the main relief
to 152 ± 4 bar (2200 ± 50 psi).
3. Remove pressure gauge from swing test port and
reinstall cap.
Procedure for Checking Relief Setting for
Counterweight Supply Control Valve
1. Remove cap and install gauge on load sense relief test
port on the main directional control valve per Figure 2-8.
2. Operate the counterweight directional control valve by
fully raising or lowering the counterweight cylinders.
Adjust the counterweight removal directional control
valve’s LS relief valve (clockwise to increase pressure)
on the counterweight directional control valve to 121 ± 4
bar (1750 ± 50 psi). See Figure 2-11.
3. Remove gauge, reconnect plumbing, and reinstall cap.
6152-2
Test Port
Pressure Reducing Valve
Adjustment: Turn Clockwise To
Increase Pressure
FIGURE 2-9
FIGURE 2-10
6152-3
Swing Inlet Test Port
Main Relief Adjustment: Turn
Clockwise To Increase Pressure
Reference Only
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