General Machine Products 70530 Adams WG Winch - Manual (Page 7)

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3.02 HYDRAULIC REQUIREMENTS - To obtain the maximum rated pull and line speed using the 2-
speed motor supplied with the WG winch, the hydraulic system shall have a rated flow of 20 GPM (75 l/
min.) maximum. Hydraulic system pressure shall be 1750 psi (12066 kPa) operating with 2000 psi
(13790 kPa) maximum relief valve setting. The recommended hydraulic oil reservoir capacity for the
WG winch is 60 gallons (227 liters) of petroleum-based hydraulic fluid. For additional details and infor-
mation concerning the 2-speed motor, refer to the illustration below and drawing # 28824 on page 19 of
this manual.
Port B
Port A
Case
Drain
-4 port
Pilot Port
Two Position 3 Way Valve
Pilot Pressure
100 psi min