Labrie MINIMAX, Руководство по обслуживанию

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84 Hydraulic System
Figure 5-11 0–4000 psi pressure gauge
3.
Disconnect the packer retract proximity switch. Activate the packer retract until it reaches end of
stroke.
4.
Check the pressure on the gauge to make sure the pressure builds up in the system.
5.
Adjust the body control relief valve as needed by loosening the locknut and by turning the
adjustment screw.
6.
Set the pressure to 2,500 psi.
Adjusting the Utility Section
To adjust the utility section:
1.
Disconnect the closed tailgate solenoid (see H in Figure 5-12).
2.
Connect a 0 – 600 psi pressure gauge to the inlet cover (see E in Figure 5-12).
3.
Start up the engine and let it idle.
4.
Turn the pump on.
5.
Toggle and hold the tailgate control switch in the “Closed” position.
6.
Adjust the generated pilot pressure to 420 +/- 30 psi.
When facing the valve, the adjustment screw is on the right side of the valve (see A in Figure
5-12).
7.
Once the adjustment made, disconnect the pressure gauge .
8.
Reconnect the tailgate solenoid.
9.
Install a 0 -600 psi pressure gauge on the maximum pilot pressure port (see D in Figure 5-12).
10.
Toggle and hold the tailgate control switch in the “Closed” position.