Repair Circulation Heater.

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REPLACEMENT

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

FIGURE 4-7. Heater Element Assembly.

TM 55-1905-223-24-18-2

4-17. Repair Circulation Heater. (Figure 4-7)

This task covers:

a. Disassembly

b. Repair

c. Assembly

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Electrical power to lube oil

purifier heater turned OFF at

Tool kit, electrician's,

P205 power/lighting panel and

tagged "Out of Service - Do Not

Operate."

Materials/Parts

Suction and discharge valves closed

Heater element assembly

and tagged "Out of Service - Do

P/N TMO-3061SE-2XX

Not Operate."

Heater thermostat

P/N AR-2524LT

Warning tags, Item 1, Appendix C

DISASSEMBLY

a. Heater Element Assembly.

(1) Remove four screws (4).

(2) Remove terminal cover (5) from heater element assembly (3).

(3) Tag and disconnect electrical wiring from terminals at heater element assembly.

(4) Disconnect fittings (6) and remove wire harness (17) from heater element assembly.

(5) Remove nuts (16) and bolts (1) from heater flanges (2).

(6) Lift heater element assembly out of circulation heater (15).

(7) Remove gasket (7).

b. Heater Thermostat.

(1) Remove four screws (10).

(2) Separate and position cover (9) with thermostat control circuit leads (14) clear of opening to

junction box (8).