TM 5-4220-209-12 &P
Table 5-2. Inspection, Checks, and Services
COMPONENT
OPERATIONAL
OR PART
INSPECTION, CHECK, OR SERVICE
TIME PERIOD
COMPRESSOR UN-
If the compressor has not been stopped or has not unloaded
As necessary.
LOADER switch and
automatically, place the COMPRESSOR UNLOADER
the DEHYDRATOR
switch to the UNLOAD position. Open the DEHYDRATOR
BLEED valve
BLEED valve.
Entire unit
Visually inspect for loose or missing hardware
Before each use.
Engine crankcase
Check oil level and add oil if necessary to bring oil level to
Before each use and
full mark. Refer to Table 5-3
4 hours.
Fuel tank
Check fuel level gauge. Fill tank as necessary. Refer to
Before each use and
Table 1-2. Check vent holes in filler cap
8 hours.
Condensate receiver drain
Open drain cock to drain off condensate. Close drain valve
Before each use and
8 hours
Compressor crankcase
Check oil level and add oil if necessary to bring oil level to
Before each use and
full mark. Refer to Table 5-3
8 hours.
Dehydrators
Check recorded HOURMETER indication of previous change
Before each use.
and change cartridges as necessary, refer to DEHYDRATORS
(Section V) and Purification Cylinders (Section V).
Engine air filter
Check for dirty oil if operating unit is in a very dusty location
Daily or 8 hours.
Clean, service or replace as necessary, refer to ENGINE AIR
FILTER (Section V).
Compressor air filter
Check for dirty element if operating unit is in a very dusty
150 hours or 6 months.
Location. Clean, service or replace as necessary, refer to
COMPRESSOR AIR FILTER (Section V).
Check for dirty element if operating unit is in extreme heat,
80 hours or 30 days.
dusty, or sandy areas. Clean, service or replace as necessary,
refer to COMPRESSOR AIR FILTER (Section V).
Compressor air filter
Check for clogged or stopped up holes in screen. Clean as
Before each use and
hose screen
necessary.
4 hours.
Battery
Check electrolyte level and fill to proper level with water
150 hours or 6 months.
if necessary. Check specific gravity of electrolyte.
Engine fuel filter element
Replace filter element, refer to ENGINE FUEL FILTER
150 hours or 6 months,
ELEMENT (Section V).
as required
Change 2 5-3
