Table 5-1. Direct Support and General Support Troubleshooting - Continued
TEST OR INSPECTION
AIR COMPRESSOR - continued
Inspect tachometer-hourmeter adapter on the engine for defective parts.
23. COMPRESSOR FAILS TO LOAD OR UNLOAD.
Check for improperly set or damaged air pressure regulator.
Repair or replace then set air pressure regulator (para 6-7).
Inspect compressor intake control mechanism.
24. COMPRESSOR VIBRATES AND METALLIC NOISE IN COMPRESSOR.
Inspect for sticking or broken rotor blades.
Inspect for damaged rotor bearings, rotor, or stator.
Overhaul the compressor and replace all defective parts (para 6-11).
Section III. GENERAL MAINTENANCE
5-6. General. This section contains those repair
a. Torque Data.
instructions and references which are the responsibility
specific torque values recommended by the compressor
of Direct Support and General Support Maintenance, as
unit manufacturer and the engine manufacturer.
authorized by the maintenance allocation chart,
b. Wiring Diagram.
schematic wiring diagram of the air compressor unit
5-7. Reference Data and Diagrams. Reference torque
data, diagrams, and repair and replacement standards
c. Air Line Diagram. Refer
to figure 5-1 for the unit
are listed or referenced below.
schematic air line diagram.