TM 5-4520-256-14
3-5. SERVICE UPON RECEIPT OF MATERIEL - Continued.
b.
Inspection. Upon receipt of heater unit, perform both the operator and unit preventive maintenance checks and
services.
Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Para.
Unit PMCS ................................................................ 3-6
3-6. UNIT PMCS. (Refer to Table 3-1).
Table 3-1. Unit Monthly Preventive Maintenance Checks and Services
Item
Item To Be Inspected
Procedure
No.
1
Blower
Inspect scroll and fan blower for cracks,
corrosion, holes, and general cleanliness.
2
Fuel Pump
Inspect fuel pump for leaks, secure moun-
ting. Remove and clean fuel filter per the
procedure in Section IV.
3
Flame Detector
Inspect for cleanliness of window and secure
mounting.
4
Electrodes
Inspect for cleanliness and secure mounting.
Check for signs of pitting or burning.
5
Burner Nozzle
Inspect for cleanliness and secure mounting.
6
Motor
Check shaft for freedom of movement. In-
spect slip-rings for wear and signs of
burning.
7
Power Cable Assembly
Perform a continuity check of the power
cable individual wires.
8
Combustion Air Plenum
Inspect combustion air plenum for holes,
loose mounting, missing hardware, or cor-
rosion.
9
Burner Assembly
Inspect burner assembly for holes, loose
mounting, missing, hardware, or corrosion.
3-4
