TM 3-4310-100-20 & P
(5) Reinstall the drain plug.
the connection between the engine and compressor.
(6) Remove the oil breather cap. Clean the
Return compressor units with oil leaks to direct support
cap and filter at each oil change in dry cleaning solvent
maintenance personnel. Observe the oil level through
(stoddard solvent) per Federal Specification P-D680.
the oil level sight or on the dipstick full mark. Keep the
type 1 (AN-M4B and AN-M4C models only). Air dry
oil level at full.
before replacing the cap.
(9) Wipe the spilled oil from the compressor unit.
(7) Fill the reservoir with one pint of air
compressor lubricating oil (table 1-1) and reinstall the
2-8. Gasoline Engine
breather cap or dipstick.
Refer to TM 5-2805-256-14 and LO 5-2805-256-12 for
(8) Start the compressor (TM 3-4310-100-10)
lubrication instructions on the gasoline engine.
and operate for 5 minutes. While the compressor is
running, look for oil leaks around the drain plug and at
Section Ill. PAINTING
c. Touch up all painted exterior surfaces with
Organizational maintenance personnel are authorized to
paint or touch up all painted exterior surfaces of the
Additional detail painting instructions
a. Remove scratches, rust, scales, chips, and
for field use are contained in TM 43-
foreign matter from surfaces to be touched up or painted.
0139, Painting Instructions for Field
b. Prime all worn, scratched, or bare metal
surfaces with vinyl-zinc chromate primer (item 2,
Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
and services for each interval is shown in the work time
column. These times are stated in hours and tenths.
Organizational maintenance personnel are responsible
for performing quarterly preventive maintenance checks
numbers under the "Sequence Number" column indicate
Report all deficiencies beyond
the scope of
that the service opposite the number must be performed
in the numerical sequence at the prescribed interval.
The man-hour time required to perform all the checks
Table 2-1. Preventive Maintenance Checks and Services
Total Man Hours required: 1.4
Items To Be Inspected
Section I. CANVAS
CANVAS COVER, BACK REST HARNESS
AND STRAP ASSEMBLIES.
Check for holes, rips, fraying or other damage. Replace "missing items or items
considered unsafe for use. Check for worn, damaged, or loose hardware securing strap
assemblies to engine mounting frame. Replace damaged or missing hardware.
Section II. TOP FRAME AND BOTTOM FRAME
Inspect for cracks, broken welds and missing mounting hardware. Check condition of
painted surfaces. Touch up chipped, scratched and rusted painted areas. Check for
damaged or missing rubber mounts.