WINCH MOTOR INTERNAL LEAKAGE TEST (CONTINUED)
Have suitable container ready to catch oil.
Disconnect WINCH DRAIN-7W hose (1) from winch motor port 7W and plug hose (1).
Connect drain hose (2) to elbow (3) on port 7W and place end of hose (2) in container.
Disconnect CONT-VLV-VA (FWD) hose (4) from winch. Plug hose (4) and cap elbow (5).
Two containers are necessary for a true metered 15-second
reading during winch motor internal leakage test.
Have assistant start vehicle engine and hold WINCH CONTROL lever (6) in PAY IN
position. With lever held in PAY IN position and oil flowing, move drain hose 7W (2) to a
graduated container for exactly 15 seconds. Return lever (6) to NEUTRAL position.
Measure oil in graduated container. Allowable internal leakage flow from drain hose (2) is
1.25 qts (1.18 L) in 15 seconds or 1.25 gpm (4.73 Lpm).
Stop engine; relieve hydraulic pressure and connect all hoses.