TM 5-3825-229-14&P
4-46C. ENGINE STARTING DEVICES (cont)
a.
Glow Pluqs (cont).
(2)
Installation.
(a)
Install four glow plugs (4) in ports in engine.
Tighten glow plugs to a torque of 14 lb-ft (19
Nm) (wet).
(b)
Connect three wires (3) to tops of glow plugs
(4). On glow plug at No. 4 cylinder (rear of
engine) connect harness wire to tops of plug.
(c)
Install four washers (2) and nuts (1) to secure
wires 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 control
actuator from the engine.
(c)
Disconnect wire (1) if it is connected to
crankcase heater (2).
(d)
Use a sharp bladed instrument such as a
screwdriver and pry crankcase heater (2) from
engine 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 the
plug installation port.
(c) Carefully seat new crankcase heater (2) in port in bore. Use a rubber or leather hammer to tap around
circumference 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
