TM-9-2350-311-34-1

HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS: HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-1 - Page 294 of 352

TM 9-2350-311-34-1

10-2 COOLANT HEATER — CONTINUED

a. Assembly — Continued

33 Install three leads (27, 28, and 29) and five screws (26).

34 Position receptacle (13) on engine coolant heater assembly (11) and install sleeve (25) over five receptacle

leads (15, 17, 19, 21, and 22).

35 Connect leads (21 and 22) to flame detector switch (23).

36 Connect lead (19) to overheat thermostat (20).

37 Connect lead (17) to restriction thermostat (18).

38 Connect ground lead (15) to engine coolant heater assembly (11 ).

39 Install receptacle (13) and four new assembled screws (12) to bracket (14).

40 Install three new tiedown straps (24) to secure five receptacle leads (15, 17, 19, 21, and 22).

41 Position blower motor assembly (10) on engine coolant heater assembly (11 ) and turn clockwise until secured

in slots of heater assembly.

42 Tighten four nuts (9).

43 Connect lead (7) to terminal strip (8).

44 Install tube (4), two elbows (5 and 6), and nut (3).

45 Install guard assembly (2) and four screws (1).

10-34