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 TM 55-1905-223-24-16
Table 2-1. Preventive Maintenance Checks and Services
D - Daily
W - Weekly
M - Monthly
Q - Quarterly
S - Semiannually
A - Annually
B - Biennially
Item
Intervals
Item To Be
No.
D
W
M
Q
S
A
B
Inspected/Serviced
Procedures
11
Electrical Wiring
c. Check terminals of ac motor and terminal blocks
Connections -
stern control box for loose connections.
continued
d. Secure all loose connections.
e. Restore power source to stern control box at main
circuit breaker.
f. Remove "Out of Service - Do Not Operate" tag from
stern control box control panel.
12
Air Breather Filter
Clean the air breather filter as follows:
a. Remove filler cap/air breather from top of
reservoir tank.
b. Remove filter from filler cap/air breather.
c. Clean filter with cleaning solvent.
d. Install filter in filler cap/air breather.
e. Install filler cap/air breather on top of
reservoir tank.
13
AC Motor Bearings
Refer to LO 55-1905-223-12 and lubricate the ac
motor bearings in the hydraulic power pack assembly.
14
Suction Strainer
Clean suction strainer and return line diffuser as
and Return Line
follows:
Diffuser
a. Turn off ac motor in hydraulic power pack
assembly. Tag stern control box panel "Out of
Service - Do Not Operate."
b. Locate drain plug at bottom of inspection cover
on reservoir tank.
c. Place a suitable container under drain plug.
d. Remove drain plug. Allow hydraulic fluid to
drain from tank.
e. Remove inspection covers and cover gasket from
each end of the reservoir tank.
2-12
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