TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9–2350–311–10 1–27 1–14 EQUIPMENT OPERATION AND DESCRIPTION — CONTINUED 1–14.4 Glow Plug System (LHR Engine Model 7083–7391) a. GLOW PLUGS SWITCH AND INDICATOR LIGHT. The GLOW PLUGS switch (1) activates the glow plug controller (2) and GLOW PLUGS indicator light (3) on driver’s fixed instrument panel (4). b. GLOW PLUG CONTROLLER AND GLOW PLUGS. The glow plug controller (2) provides electric power to the glow plugs (5) and GLOW PLUGS indicator light (3). When activated, the GLOW PLUGS indicator light illuminates while glow plugs are heated. The GLOW PLUGS indicator light flashes when engine can be started. c. LHR ENGINE (MODEL 7083–7391). The LHR engine (Model 7083–7391) (6) contains glow plug controller (2) and eight glow plugs (5). 4 5 6 1 2 3 4 1 3 M109A2/M109A3 M109A4/M109A5