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 TM 55-1925-273-10-1
0089 00
4.
CLOSE the following valves in AMS 1:
a.
TH-13, FLOW CONTROL (figure 1, item 4)
b.
TH-1, C.O.V. PMP DISCH.TO TOW WN. HYD (figure 1, item 5)
c.
TH-14, FLOW CONTROL (figure 1, item 6)
d.
GS-75, TOW WN HYD OIL CLR SPLY (figure 1, item 7)
e.
GS-77, HYD OIL CLR DISCH (figure 1, item 8)
f.
TH-12, FLOW CONTROL (figure 1, item 9)
g.
CH-27, RTN CUT-OUT TOW WN HYDR (figure 1, item 10)
h.
CH-26, DRN CUT-OUT TOW WN HYDR (figure 1, item 11)
i.
FO-31, F.O. SPLY TO PMP DRV ENG (figure 2, item 1)
j.
CA-6, STG AIR TO PMP DR ENG (figure 2, item 2)
k.
Asw-19, S.W. TO PUMP DRIVE ENG (figure 2, item 3)
l.
Asw-20, S.W. FR. PUMP DRIVE ENG. TO OVB'D DISCHARGE (figure 2, item 4)
m. Asw-22, OVB'D DISCH., S.W. COOLING (figure 2, item 5)
5.
In the engine room, CLOSE the following valves:
a.
AE-28, SEACHEST VENT (figure 2, item 8)
b.
Asw-17, SEA SUCTION S.W. COOLING (figure 2, item 9)
TOWING MACHINE OPERATION SYSTEM SETUP
1.
Perform the Towing Machine Hydraulic System Startup procedure in this work package.
2.
Set to ON the TOWING MACHINE. circuit breaker (figure 6, item 1) in 120V emergency distribution panel No. 1.
! CAUTION
Never use a lever or wrench to tighten the clutch brake. Overtightening the clutch brake will
damage the mechanism.
NOTE
A force of about 25 pounds on the handwheel is usually sufficient to provide enough friction in
the clutch brake to drive the towing machine under normal loads.
3.
Tighten the clutch brake (figure 7, item 1) by tightening the clutch brake handwheel (figure 7, item 2).
4.
Loosen the auxiliary brake (figure 7, item 3) by loosening the auxiliary brake handwheel (figure 7, item 4) to allow free
rotation of the drum.
0089 00-7
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