Labrie ALLEY -GATOR RIGHT-HAND, Maintenance Manual

Page: 87 / 108

Maintenance 77
Figure 3-50 Tailgate section lever
14.
Once done, TIGHTEN BACK the locknut.
15.
PROCEED with the pressure adjustment on the remaining working sections of the arm and body
directional control valve. For each remaining working section, do the following:
15 a.
LOOSEN the locknut of the front relief valve.
15 b.
While pulling the section lever outward, TURN the adjustment screw CLOCKWISE or
COUNTER-CLOCKWISE until the pressure reaches the proper value using an Allen key.
See page 80 for the proper value corresponding to the working section of which the
pressure is being adjusted.
15 c.
Once done, TIGHTEN BACK the locknut of the front relief valve.
15 d.
LOOSEN the locknut of the rear relief valve.
15 e.
While pushing the section lever inward, TURN the adjustment screw CLOCKWISE or
COUNTER-CLOCKWISE until the pressure reaches the proper value using an Allen key.
See page 80 for the proper value corresponding to the working section of which the
pressure is being adjusted.
15 f.
Once done, TIGHTEN BACK the locknut of the rear relief valve.
N
OTE
:
Refer to page 80 for the exact location of each section of the arm and body directional control
valve along with the corresponding pressure to apply.
Packer Circuit Hydraulic Pressure Adjustment
To adjust the packer circuit hydraulic pressure:
1.
ENSURE the pressure gauge is connected to the pressure test port of the packer circuit control
valve (see Figure 3-51).
I
MPORTANT
:
Before connecting the gauge to the test port, ensure the truck’s engine is turned off.
N
OTE
:
An adaptor may be needed to connect the gauge to the test port.
2.
While the engine is running and the pump is ON, have a helper operate the packer in either
direction using the P
ACKER
P
ANEL
switch on the in-cab control panel.
Move lever
inward