4-8. Organizational Trouble-
shooting - continued.
Table 4-2. Troubleshooting (cont)
Test or Inspection
2. SLOW PUMPING OR INSUFFICIENT PRESSURE. (cont)
Step 2. Check for leaks in air lines, valves, fittings, etc.
Locate leaks and tighten or replace threaded parts.
a. Build up air pressure in compressor.
b. Using soapy water, check for leaks at all valves, fittings, etc.
c. Tighten threaded parts or, if necessary, replace damaged parts,
after releasing pressure.
Step 3. Determine if compressor is too small for equipment being operated. Check the air
pressure requirements of the equipment being serviced. If it is greater than the output
of this compressor, push this one aside and obtain a compressor unit of a large
enough capacity to perform the required job.
Step 4. Check to determine if engine is at correct speed.
WARNING: Operation of this equipment presents a noise hazard
to personnel in the area. The noise level exceeds the allowable
limits for unprotected personnel. Wear ear muffs or earplugs
which were fitted by a trained personnel.
Adjust the engine speed governor control to obtain correct speed.
See TM 5-2805-256-14.
3. EXCESSIVE OIL CONSUMPTION.
Step 1. Check for wrong type of inferior grade of oil.
In order to be certain of proper oil, drain crankcase and refill with proper type
Step 2. Check for loose oil line or fitting.
Tighten oil line or fitting.
Look for oil leakage around oil line or fittings. If leakage is present tighten oil
4. NOISY OPERATION.
Step 1. Check for loose external parts.
Examine compressor carefully, tightening any loose bolts, screws, nuts or other
threaded parts that might be generating noise.
Step 2. Check for insufficient oil.
Check oil with oil level gage.