TM 5-4310-276-14
Table 4-2. Troubleshooting (cont)
Malfunction
Test or Inspection
Corrective Action
Figure 4-16. Compressor belt
guard, removal
and intallation.
(2) Remove the nuts holding the belt guard to the handtruck frame.
(3) Remove the screw
holding the guard to
the compressor. Remove the guard.
(4) Loosen the engine mounting bolts and slide the engine sufficiently to remove the belts.
(5) Loosen capscrews and remove drive pulley and key.
(6) Inspect the pulley for cracks and breaks and the key for chips and burrs. See that the key
fits snugly in the keyway.
b. Installation.
(1) Install pulley and key and tighten capscrews.
(2) Loosen nut on flywheel hub and remove flywheel and key.
(3) Inspect the flywheel for chips and cracks.
(4) Inspect the key for chips, burrs, and a snug fit.
(5) Install the flywheel and key and tighten nut.
(6) Reinstall the belts and slide the engine until proper tension is obtained on the belts. Belt
deflection should be 0.75 to 1.0 inch (19.05 to 25.4 mm) midway between pulleys. Tighten the
engine mounting bolts.
(7) Install the guard by attaching to compressor with screw and to handtruck frame with
nuts.
4-26