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

Page 37 of 1275

TM 9-2350-311-20-1 1-17.4 Glow Plug System (Engine Model 7083-7391) a. GLOW PLUGS switch (1) and wait light (2) — GLOW PLUGS switch activates controller and GLOW PLUGS wait light. b. Controller (3) and glow plugs (4) — The controller powers glow plugs and GLOW PLUGS wait light (2). When activated, the light comes on for 35 seconds while glow plugs reach sufficient temperature. The light then flashes to indicate that the engine (5) can be started. After the engine is started, the light and glow plugs stay 01 for an additional 60 seconds. c. Engine (5) — contains controller and eight glow plugs. 1-23