P-8-627-34 T. O. 35C2-3-442-2
FUEL BURNING WINTERIZATION KIT REPAIR INSTRUCTIONS
Section I. CONTROL BOX
a. Remove screws (1) and pull plate (2)
aside. Tag and disconnect wiring from
The control box is located to the
right of the control cubicle and consists of
b . Remove connectors (5 and 8). If
press-to-test indicator light, and two
n e c e s s a r y , remove wires from connectors.
r e c e p t a c l e s for interconnection. The ON-
OFF switch permits starting of the heater
c . Remove cover (10) from frame (26).
and a means of stopping the heater. When
d. Remove lens (11), indicator light (15),
the switch is positioned to OFF, the heater
motor will continue to operate for a period
of approximately 4-1/2 minutes, to purge
ponent board assembly (25 B).
heated air and fuel from heater. The cir-
cuit breaker is a manual reset type; it
o v e r l o a d . The press-to-test indicator light
a. Clean electrical components with a
illuminates to show that the heater is in
cloth moistened with an approved cleaning
operation, it is also a means of checking
solvent, and dry thoroughly.
s y s t e m electrical power.
Cleaning Solvents are f lammable and
Refer to Operator and Organiza-
moderately toxic to skin, eyes and
tional Maintenance Manual and remove
respiratory tract. Eye and skin
protection required. Good general
ventilation is normally adequate.
b. Clean metal components with an
ble control box in the order of index num-
b e r s assigned. Pay particular attention to
approved cleaning solvent and dry
ment could cause damage to compo-
a. Inspect connectors and each wire for
nents due to excessive heat.
connectors for damaged threads; bent,
loose, or missing pins; and for shorts to
D i s a s s e m b l e control box only to
case and surrounding pins.
the extent necessary to effect
Change 8 11-1