TM 5-2350-378-23&P
0020
WINCH WILL NOT PULL RATED LOAD - Continued
STEP
3.
Perform winch motor internal leakage test.
NOTE
Have suitable container ready to catch oil.
a.
Disconnect WINCH DRAIN-7W hose (Figure 8, Item 3) from winch motor port 7W and plug hose
(Figure 8, Item 3).
b.
Connect drain hose (Figure 8, Item 2) to elbow (Figure 8, Item 4) on port 7W (Figure 8, Item 5) and place
end of hose (Figure 8, Item 2) in container.
c.
Disconnect CONT-VLV-VA (FWD) hose (Figure 8, Item 7) from winch.
d.
Plug hose (Figure 8, Item 7) and cap elbow (Figure 8, Item 6).
NOTE
Two containers are necessary for a true metered 15-second reading during winch motor
internal leakage test.
e.
Have assistant start vehicle engine and hold WINCH CONTROL lever (Figure 8, Item 1) in PAY IN
position.
f.
With lever held in PAY IN position and oil flowing, move drain hose 7W (Figure 8, Item 2) to a graduated
container for exactly 15 seconds.
g.
Return WINCH CONTROL lever (Figure 8, Item 1) to NEUTRAL position.
h.
Measure oil in graduated container.
i.
Allowable internal leakage flow from drain hose (Figure 8, Item 2) is 1.25 qts (1.18 L) in 15 seconds or
1.25 gpm (4.73 Lpm).
0020-8
03/15/2011Rel(1.8)root(tswp)wpno(T00018)
