TM 3-4310-100-20 & P
Table 2-1. Preventive Maintenance Checks and Services-Continued
Total Man-Hours required: 1.4
Items To Be Inspected
r (M/ H)
Section III. GASOLINE ENGINE AND FUEL FILTER ASSEMBLY
Man-hours required: 0.4
Check and service the engine in accordance with TM 5-5805-256-14 and
L05-2805-256-12. Check for looses or missing engine mounting hardware.
Tighten loose engine mounting hardware to between 36 to 18 pound inches.
Inspect fuel filter assembly for leaks, damaged components and dirty filter elements.
Section IV. COMPRESSOR
Man-hours required: 0.3
Check oil level in reservoir and add or change the oil as required. Start the compressor
unit (TM 3-4310-100-10) and check for excessive vibration, excessive noise and
smoke. If any of the above appear, stop the compressor unit immediately. Check the
oil breather cap for clogging and excessive dirt. Clean the oil breather cap with
stoddard solvent (table 1-1) and air dry. Replace the oil breather assembly when
necessary. Check for loose or missing compressor mounting hardware. Torque loose
compressor mounting hardware to between 90 to 108 pound inches. Check aftercooler
for bent fins and loose connections. Straighten bent fins by using needle nose pliers.
Torque loose connections to between .36 to 60 pound inches. Check air intake filter for
clogging, and excessive dirt and damage. Check moisture separator for looseness or
damage. Make sure safety seal wire is intact on pressure relief valve.
Section V. FUEL TANK AND TUBE ASSEMBLY (FUEL LINE)
Man-hours required: 0.1
Inspect for dents, kinks, leaks, distortion or other damage. Tighten loose connections.
Section VI. COMPRESSOR ALTERATION PARTS
(CHARGING HOSE ASSEMBLY)
Man-hours required: 0.2
Check the hose for breaks and loose metal hose connections on both ends of the hose.
Check the valve assembly bleeder valve for moveability. Check both adapters, elbow,
pressure gage, and quick disconnect coupling half for damaged threads and
moveability. Verify that charging hose assembly has been tested in accordance with
the test procedures contained in TB 742-91-1 at 6 month intervals.
Section V. TROUBLESHOOTING
This section provides assistance in locating and
Report all malfunctions beyond the scope of
correcting causes of unsatisfactory operation or failure of
the compressor units. Refer to TM 5-2805-256-14 for
The items subject to
troubleshooting the gasoline engine.
Table 2-2. Troubleshooting
TEST OR INSPECTION
ENGINE FAILS TO START
Improper setting on choke lever and governor.
Adjust choke level and governor ( TM 3-4310-100-10)
Fuel shutoff cock closed.'
Open fuel shutoff cock (TM 3-4310-100-10).
Ignition switch off (AN-M4C and AN-M4D).
Place ignition switch to RUN (TM 3-4310-100-10).
Fuel filter assembly dirty or defective.
Clean or replace fuel filter assembly.
Fuel tank empty.