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 TM 55-1925-273-10-1
0089 00
SECURE TOWING MACHINE
1.
Ensure that all towing machine operations have ended.
! CAUTION
Never use a lever or wrench to tighten the clutch brake. Overtightening the clutch brake will
damage the mechanism.
2.
Tighten the clutch brake (figure 7, item 1) by turning the clutch brake handwheel (figure 7, item 2).
3.
Tighten the auxiliary brake (figure 7, item 3) by turning the auxiliary brake handwheel (figure 7, item 4).
4.
Remove the quick release pin (figure 8, item 3) from the retaining hole (figure 8, item 4) and engage the mechanical dog
(figure 8, item 1) in the drum (figure 8, item 2).
5.
If the port towing machine was operated, CLOSE the following valves at the port towing machine:
a. TH-30, PORT TOW WINCH RETURN TO RSVR (figure 9, item 1)
b. TH-32, PORT TOW WINCH PRESS TO DRUM (figure 9, item 2)
c. TH-34, PORT TOW WINCH DR TO RSVR (figure 9, item 3)
d. TH-36, PORT TOW WINCH DR TO RSVR (figure 9, item 4)
e. TH-38, PORT TOW WINCH BRAKE DR RSVR (figure 9, item 5)
6.
If the starboard towing machine was operated, CLOSE the following valves at the starboard towing machine:
a. TH-31, STBD TOW WINCH RETURN TO RSVR (figure 10, item 1)
b. TH-33, STBD TOW WINCH PRESS TO DRUM (figure 10, item 2)
c. TH-35, STBD TOW WINCH DR TO RSVR (figure 10, item 3)
d. TH-37, STBD TOW WINCH DR TO RSVR (figure 10, item 4)
e. TH-39, STBD TOW WINCH BRAKE DR TO RSVR (figure 10, item 5)
7.
Set to OFF the TOWING MACHINE circuit breaker (figure 6, item 1) in engine room emergency distribution panel 1
(figure 6, item 2).
8.
Perform the Towing Machine Hydraulic System Shutdown procedure in this work package.
END OF WORK PACKAGE
0089 00-18
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