TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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10-15 45 46 47 48 TM 9-2350-311-34-1 NOTE Refer to TM 9-2350-311-20-1 for M109A2 vehicle procedure. Connect fuel main supply hose (114) to primary filter quick-disconnect coupling (106). Install engine access door in driver’s compartment. Remove four screws (115) and four Iockwashers (116). Discard screws. Remove four nuts (117) and gasket (118) covering opening in driver’s compartment bulkhead (119). Install coolant heater harness (120) and coolant heater harness receptacle (121), four screws (122), four Iockwashers (116), and four nuts (117).