6659-1
Hoist motor control
valve adjustment
Hoist brake release
pressure test port SAE#4
on top side of valve block
Disconnect hoist brake
release hose on this side
of the tee fitting
Main Hoist (Right Side View)
Main Directional Control Valve
1
2
3
4
5
6
7
8
9
10
11
12
Item Description
1 Lift Up Port Relief
2
Telescope Inner Mid Extend Port
Relief
3 High Pressure Jam Nut
4 High Pressure Adjustment Nut
5
Telescope Center Outer Mid
Extend 2 Stage Port Relief
6 Low Pressure Adjustment Nut
7 Low Pressure Jam Nut
8 Valve Inlet Section
9 Load Sense Relief
10
Telescope Center/Outer Mid
Retract Port Relief
11
Telescope Inner Mid Retract Port
Relief
12 Lift Down Port Relief
13 System Pressure Test Port
14 Load Sense Test Port
FIGURE 2-7
13
14
7128-1
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