Table 3-1. Unit Level Preventive Maintenance Checks and Services (PMCS) for IHMEE. -- Continued
Item to be
Not Fully Mission
Air Intake System
a. Inspect air cleaner, hoses, and tubing for Improper installation,
proper installation, cracks, breaks, or loose cracks, breaks, or loose
connections that could let unfiltered air get connections are evident.
into air system.
Power Steering Oil
In areas where it is common for the
temperature to range by approximately
30 F (17 C), small amounts of water can
accumulate in the air system due to
a. Check air compressor and air governor for Looseness of mounting
Dents, cracks, excessive
b. Inspect air drier for dents, cracks, and
corrosion, or leaks are
corrosion that may cause leaks.
c. Inspect air drier desiccant for holes and
Needle does not move.
watch DUAL AIR PRESSURE gauge.
Needle should move up as pressure builds.
e. After several minutes, gauge should stop Air pressure below
120-125 psi (827-862 kPa)
between 120-125 psi (827- 862 kPa) as
governor cuts out. When governor cuts out, or governor will not adjust.
released air from air drier can be heard. If
governor does not cut out between
120-125 psi (827-862 kPa), adjust
Arctic Heater (If
Remove glow pin (Para 20-10) and check for Glow pin damaged or
damage. Replace if necessary.