10-6
TM 9-2350-267-34
WINTERIZATION KIT, COOLANT HEATER REPAIR (CONTINUED)
WARNING
Handle restriction orifice plate with care. Do not
drop or force any object through plate openings.
The slightest distortion in plate or orifices will in-
terfere with proper operation of fuel control
valve.
If flow rate is not within limits, remove and clean orifice
plate.
Replace fuel control valve if proper adjustment cannot be
obtained.
FLAME DETECTOR SWITCH
A
B
C
D
ADJUSTMENT
Back off adjusting screw (1) until detector switch (2) clicks.
Turn screw (1) in until switch (2) clicks again.
Turn screw (1) in 3/4 inch past click point.
Coat screw (1) with varnish (item 52, Appx B).
TA309836