TM 9-4520-271-14
0017 00
PMCS
Continued
Table 1. Unit PMCS - Continued.
EQUIPMENT
NOT READY/
ITEM TO BE
AVAILABLE
CHECKED OR
ITEM
IF:
PROCEDURE
SERVICED
INTERVAL
NO.
INTERNAL - Continued
10
4. Burner
Remove three setscrews and pull burner from housing.
Cont'd
Dirty filter.
a.
Nozzle
1.
Remove nozzle from burner and inspect filter.
2.
Install nozzle snugly on burner. Do not over-
tighten.
b.
Electrodes
1.
Inspect for cleanliness and secure mounting.
2.
Check for signs of pitting, burning, or cracking.
Cracks in
electrodes.
c.
Fire Ring
1.
Inspect for cleanliness and secure mounting.
2.
Inspect for burning or other signs of damage.
d.
Fuel
Inspect for evidence of leaks and secure mounting.
Any leaks.
Supply
Tube
e.
Flame
1.
Inspect for secure mounting.
Detector
Tube
2.
Inspect for cracks or bends.
Cracked or bent
tube.
CAUTION
Petal valve is an extremely delicate mechanism.
Do not touch petal valve.
f.
Petal
1.
Visually inspect for cracks, tears, or bends.
Cracks, tears, or
Valve
bends.
2.
Install burner into housing until burner is flush
with back of housing. Install three setscrews.
0017 00-15
