TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download

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TM9-2350-311-20-1 CONTINUED FROM STEP A Check engine oil level. Level should be between add and full marks (TM 9-2350-311-10). I Is engine oil at proper level? Bring engine oil to proper level with Troubleshoot engine coolant temperature indicator circuit. Is engine coolant temperature indicator circuit operating properly? Repair or replace engine coolant temperature indicator circuit 1. Remove radiator cap and start engine (TM 9-2350-311-10). 2. Check radiator for contaminated coolant or restricted water tubes (TM 9-2350-311-10). Are there restrictions in the radiator or is coolant contaminated? Clean and flush cooling system (para 7-6, M109A2/M109A4/ M109A5; 7-7, M109A3). CONTINUED ON NEXT PAGE 3-79 proper grade of oil (para 2-15). components as required.