TM 5-3825-229-14&P4-46C. ENGINE STARTING DEVICES (cont)a.GlowPluqs(cont).(2)Installation.(a)Install four glow plugs (4) in ports in engine.Tighten glow plugs to a torque of 14 lb-ft (19Nm) (wet).(b)Connect three wires (3) to tops of glow plugs(4). On glow plug at No. 4 cylinder (rear ofengine) connect harness wire to tops of plug.(c)Install four washers (2) and nuts (1) to securewires to top of plugs.b.Crankcase Heater.(1)Removal.(a)Drain engine cooling system and engine block.Refer to para. 4-46.(b)Refer to para. 4-54 and remove throttle controlactuator from the engine.(c)Disconnect wire (1) if it is connected tocrankcase heater (2).(d)Use a sharp bladed instrument such as ascrewdriver and pry crankcase heater (2) fromengine crankcase. Discard heater.Crankcase Heater(2) Installation.(a)Clean surface of port in side of engine crankcase and wipe dry.(b)Apply a light bead of sealant to outside diameter of new crankcase heater (2) and to the inside diameter of theplug installation port.(c) Carefully seat new crankcase heater (2) in port in bore. Use a rubber or leather hammer to tap aroundcircumference of heater. Continue driving heater into bore until it is fully seated.(d)Refer to para. 4-54 and install throttle control actuator on engine.(e)Refer to para. 4-46 and fill engine cooling system.(f)Refer to para. 4-22 and connect cables to battery.4-99
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