|
| |
Section Ill. SPECIAL TOOLS, AND EQUIPMENT
5-5. Special Tools and Equipment
nance repair parts are listed and illustrated in
No special tools or equipment are required to per-
TM 5-4120-308-25P (when published).
form direct and general support and depot main-
tenance on the air conditioner.
5-7. Specially Designed Tools and
Equipment
5-6 Direct and General Support and
No specially designed tools or equipment are
Depot Maintenance Repair Parts
required to perform direct and general support
.
Direct and general support and depot mainte-
and depot maintenance on the air conditioner.
Section IV. TROUBLESHOOTING
5-8. General
Malfunctions which may occur are listed in table
5-1. Each malfunction stated is followed by a list
This section provides information useful in diag-
of probable causes of the trouble. The corrective
nosing and correcting unsatisfactory operation or
action recommended is described opposite the
failure of the air conditioner and its components.
probable cause.
Table 5-1. Troubleshooting
Malfunction
Probable cause
Corrrective action
Replace compressor (para 5-23).
Replace compressor relay (para
3-31).
Repair or replace wiring.
Replace compressor (para 5-23).
Replace thermostat (para 3-28).
Replace switches (para 5-19 and
5-20) .
Replace valve (para 5-18).
Remove small amount of refriger-
ant.
Replace compressor (para 5-23).
Check refrigerant level in sight
glass. Test for leaks and charge
system ( para 6-5 ).
Repair or replace wiring.
Repair motor (para 6-4).
Adjust valve (para 5-18).
Replace valve (para 5-18).
Clean filter (para 3-7).
Adjust grille louvers and damper
doors (para 2-8).
Replace dehydrator (para 5-21).
Adjust or replace valve (para
5-13).
Replace compressor (para 5-29).
Replace valve (para 5-15).
Replace vaIve (para 5-15).
Adjust or replace valve as re-
quired (para 5-13).
Adjust
thermostat
expansion
valve (para 5-17 or 5-18).
5-2
|
