TM 9-2320-260-34-2
17-8. ENGINE COOLANT HEATER OVERHEAT SWITCH AND IGNITER MAINTENANCE (Contd)
d. Igniter Installation
CAUTION
Igniter is fragile. Use care when installing igniter. Failure to do so
may result in damage to equipment.
1. Install new gasket (17) and new igniter (12) on burner (8).
2. Place preheater resistor strap (9) on igniter (12) and install with two nuts (10) and (11).
3. Install ground strap (14) on stud (21) with nut (20).
4. Install new lockwasher (16), igniter lead (15), and ground strap (14) on burner (8) with new screw-
assembled lockwasher (13),
5. Install end plate (18) on heater housing (22) with four nut-assembled lockwashers (19).
e. Overheat Switch Installation
1. Install new O-ring (7), new washer (6), overheat switch (5), and retainer (23) on heater housing (22)
with new lockwasher (24) and nut (25).
2. Install leads (2) and (4) on tab connector (3) and install tab connector (3) on overheat switch (5).
3. Install lead (1) on overheat switch (5).
4. Install air tube (29), elbows (26) and (30), and ground lead (28) on heater housing (22) with
nut-assembled lockwasher (27).
5. Install guard (32) on heater housing (22) with four new screw-assembled lockwashers (31).
17-20
