Gradall XL4000, Руководство пользователя

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Put low pressure gauge (1,000 psi) on pilot manifold on pilot test port (pilot manifold is above heat exchanger
valve; test port is lower rear).
See Figure 2.
Run engine at full RPM. Pressure should be 480 - 500 psi. Adjust relief as needed.
See Figure 2.
FIGURE 2
Put low pressure gauge (1,000 psi) on upper test port (to inside of machine) on pilot charge valve assembly
(mounted on the counterweight) at left rear of upperstructure.
See Figure 3.
Run engine at full RPM. Pressure should be 380 - 420 psi. Adjust as required. Relief is in swing pump and uses
shims to adjust.
See Figures 4 and 5.
Move low pressure gauge (1,000 psi) to lower test port (to outside of machine) on pilot charge valve assembly.
Run engine at full RPM. Pressure should be at 320 - 350 psi. Adjust as required. Relief is at outside of block
Remove plug and use allen wrench to adjust. Adjustment is very coarse.
See Figure 4.
Form No. 29622 2/97
XL 5100 HYDRAULIC PRESSURE
SETTING MANUAL
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