4-13. Unit PMCS Table-Continued.
Table 4-1. Unit PMCS Quarterly Schedule
Item To Be
Side Door Assemblies
See para 4--17.
b. Remove side door assembly-right (3) and left (4). See para 4-19.
Do not replace door assemblies until PMCS is completed.
c. Clean and inspect side door assemblies (3 and 4) See para 4-19.
Compressed air used for cleaning purposes will not exceed 30
psi (2.1 kg/cm2). Do not direct compressed air against
skin. Use goggles or full face shield.
a. Blow dust and dirt out of the air passages in the coil (5) using
compressed air or discharge side of a portable vacuum cleaner.
Blow from front to back in the opposite direction from operational
b. Inspect coil from obvious damage, and all mounting hardware for
tightness and security
Fresh Air Damper
Inspect damper (6) for corrosion, and mounting hardware for tightness and
security. Check for proper adjustment.
Indoor and Outdoor Fans and
a. Wipe or vacuum all dust and dirt from fans and motors Motors
(7), and all other components and surfaces in the immediate area.
b. Inspect the fans for damage or bent blades, the venturi panel for
damage, and all mounting hardware for tightness and security.
Control Box Components and
a. Remove control box cover (8). See para 4-9,b.(2). Wiring
b. Inspect all wiring and electrical components for damage and all
electrical connections for tightness
c. Replace cover and secure with two screws.
Inspect the accumulator (9) mounting for tightness and security.