TM 55-1925-286-13&P
DIRECT SUPPORT MAINTENANCE
AIR COMPRESSOR FOR
INLAND AND COASTAL LARGE TUG (LT)
COMPRESSED AIR SYSTEM, REPAIR
INITIAL SETUP:
Personnel Required:
Tools and Special Tools:
Tool Kit, General Mechanic's (Item 1, Table 2,
Two Watercraft Engineers, 88L
References:
FM 55-502
Materials/Parts:
TB 43-0218
Tag, Danger (Item 6, Table 1, WP 0033 00)
Tape, Antiseizing (Item 7, Table 1, WP 0033 00)
WARNING
Never reuse locking hardware. Reuse of locking hardware such as lockwashers,
locking nuts, cotter pins, and lockwire can result in undetected loosening of fas-
tening hardware causing catastrophic failure resulting in death, injury, or damage
to equipment. In accordance with TB 43-0218, ensure that all locking hardware is
discarded upon removal and replaced with new.
REPLACE DRYER
REMOVAL
1. Perform system shutdown for the applicable air compressor (WP 0005 00).
2. At 440V power panel no. 4, set to OFF, lock out, and tag out (FM 55-502) the applicable air compressor circuit
breaker as shown in table 1.
3. OPEN, drain, lock out, and tag out the applicable air receiver drain valves as shown in table 1.
Table 1. AIR COMPRESSOR Lockout/Tagout Guide
Air Compressor
Circuit Breaker
Air Receivers
Air TK DR
1
AIR COMPRESSOR NO.1
Starting Air #1
CA-47
2
AIR COMPRESSOR NO.2
Starting Air #2
CA-46
Ship's Service
CA-48
4. Loosen the dryer's drain piping union (figure 1, item 1) and remove the drain piping (figure 1, item 2) from the
bottom of the dryer (figure 1, item 3).
5. Loosen the dryer's inlet piping union (figure 1, item 4) and the discharge piping union (figure 1, item 5) from
the dryer (figure 1, item 3).
0022 00-1
