TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 6-11. AIR BOX HEATER REPLACEMENT SOLENOID VALVE (Cont) a. b. c. d. Removal NOTE Remove pump, motor, and bracket assembly before removing solenoid. (1) Disconnect wiring harness terminal (59) from solenoid (38). (2) Remove four screws (60), four nuts (61), and four Iockvvashers (62) securing wiring harness connector (63) to bracket (25). Remove connector from bracket. Discard Iockwashers. (3) Remove wiring harness (30). If necessary, remove clamp (29) from harness. NOTE Disconnect tube (17) during pump and motor assembly removal. (4) Disconnect tube (6) from elbow (64) on solenoid (38). Remove tube. (5) Remove two screws (65), two nuts (66), two Iockwashers (67), and two flat washers (68), securing solenoid (38) to bracket (25). Remove solenoid. Disassembly (1) Remove elbow (64) from solenoid (38). (2) Remove elbow (18) from bushing (69). (3) Remove bushing (69) from solenoid (38). Inspection Inspect solenoid for cracks, damage, or valve leakage. Assembly (1) Install bushing (69) into solenoid (38). (2) Install elbow (18) into bushing (69). (3) Install elbow (64) into solenoid (38). e. Test/Adjustment (1) (2) 6-24 Attach 24 V dc power source to solenoid (38) and listen to confirm solenoid valve is opening and closing. If no indication of movement, replace solenoid valve. Disconnect and remove 24 V dc power source from solenoid (38).