TM 10-4610-232-12
Item
No.
19.
Table 4-1. Unit Preventive Maintenance Checks and Services
Interval
Semi-
Annual
Item To Be
Checked Or
Serviced
Control Panel
and Boxes
Procedure
NOTE
The electrode should be cen-
tered and not arc burnt.
b. Clean and inspect igniter.
c. Remove and clean the fuel fil-
er float bowl screen, cover and
bowl (para. 4-61).
d. Clean or replace the fuel
romps, filters and gaskets (para.
4-61).
e. Check all exhaust pipes and
connections for signs of leaks
black powder).
f. Adjust the carburetors and
thermostats (para. 4-60).
WARNING
High voltages in equipment
can cause serious injury or
death. Be certain all power
is removed before perform-
ing inspection or checks.
a. Check all wiring harness con-
nectors for damage, corrosion,
and looseness. Check connector
boots for sealing (para. 4-27
through 4-32).
b. Open the control panel and
boxes and check:
(1) Wiring harnesses and termi-
nal boards for damage, corrosion,
pitted terminals, loose screws,
broken wires, dirt and foreign
matter.
(2) Circuit breakers, control re-
lays, switches, lamps, resistors
and transformers for damage,
corrosion, pitted terminals, loose
screws, broken wires, dirt and for-
eign matter.
(3) All gaskets for proper installa-
tion or damage.
Not Mission
Capable If:
Any connector, pin, insert
or boot missing or dam-
aged.
Any harness or board
damaged or screw mis-
sing.
Any component with
damage, broken wire or
screw missing.
4-10 Change 2
