d. Adjustment.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
TM 9-2320-279-34-2
Winch Maintenance Instructions (Cont)
Fill hydraulic motor (1) with lubricating oil.
Connect hydraulic motor (1) to pump
supplying about 7.92 gallons/min
(30 liters/min).
Install two 0-8500 psi (0-600 bar) gages in
ports X4 and X6.
Loosen nut (2) and turn adjusting screw (3)
counterclockwise to ensure that threshold
spring is unloaded.
Increase system pressure until gage at port
X4 reads 1392 psi (96 bar).
Turn adjusting screw (3) clockwise until
pressure on gage at port X6 starts to
increase.
Tighten nut (2).
e.
Test.
(1)
Connect hydraulic motor (1) to pump (2) supplying about 7.92 gallond/min (30 liters/min).
(2)
Connect brake pump (3) to hydraulic motor (1).
(3)
Increase pressure from brake pump (3) to brake hydraulic motor (1) until inlet pressure reaches
2900 psi (200 bar).
(4)
Check drain flow. Drain flow should be 0.8 gallons/min (3.0 liters/min).
(5)
If drain flow is excessive, correct fault and retest hydraulic motor (1).
f. Follow-on Maintenance. None.
END OF TASK
Change 2
16-54.17/(16-54.18 blank)
