ADJUSTMENT - Continued
Install a 0 to 4,000 psi (0 to 27,580 kPa) gage equipped with short pressure hose and 1/4 inch female
Remove acorn nut (Figure 4, Item 1) from relief on winch valve.
Keep all personnel away from winch and hook block area. Failure to follow this warning may
result in death or serious injury to personnel.
Run engine at full rpm, operate winch lever in lowering mode and hold long enough to get a pressure reading.
Winch control valve is set at 2,650 (+50, -0) psi (18,272 [+345, -0] kPa).
Hold adjusting screw (Figure 4, Item 3) and loosen jam nut (Figure 4, Item 2). Turn adjusting screw clockwise
to increase pressure or counterclockwise to decrease pressure, until desired pressure setting is obtained.
Hold adjusting screw (Figure 4, Item 3) and tighten jam nut (Figure 4, Item 2). Install and tighten acorn
nut (Figure 4, Item 1).
Figure 4. Winch Control Valve Test and Adjustment.