TM 9-2320-289-34
11-3.
WARM AIR HEATER REPAIR (Con’t).
12.
Install fuel control valve (10) and screws to heater housing (3), Connect fuel line nut (11) to
outlet of fuel control valve.
13.
Install ignition control (8) to heater housing (3) using 4 screws (9), 1 nut (13), and 1
starwasher (14),
14.
Install electrical receptacle (5) and 4 screws (6) to bracket. Connect all leads.
15.
Connect harness (7) to electrical receptacle (5). Install cover (2) to heater housing (3) and
secure 2 fasteners (4).
d.
FLAME DETECTOR SWITCH ADJUSTMENT
l
l
l
NOTE
If new flame detector switch (17) has been installed, no adjustment is
required.
If adjuster nut (16) has been disturbed, perform steps 1-3.
Ensure that heater is off and at ambient temperature prior to flame
detector switch (17) adjustment.
1.
Back off adjuster nut (16) two turns.
2.
Turn adjuster nut (16) inward slowly just
additional 3/4 in. (19 mm) turn from “click”
until switch “clicks.” Then turn adjuster nut an
position.
3.
Apply insulating varnish to adjuster nut (16) to seal.
FOLLOW-ON TASKS:
l Install warm air heater. (See TM 9-2320-289-20)
• Check operation of heater.
TA50374
11-17/(11-18 blank)
