| |
TM5-4120-387-14
(6) Insert the sensing bulb into
position and tighten the screws and nuts
metal-to-metal contact with the suction
(7) Replace the insulation tubing
and expansion valve connections.
Secure
(8) Replace the dehydrator. (See
(9) Leak test al
para 5-9.)
(10) Install top
ts mounting loop clamps in its original
Be sure the sensing bulb is making good
inc.
that was removed from the sensing bulb
with tape, item 11, Appendix
para 5-13.)
joints and those in the reps
E.
newly connected
r area.
(See
panel .
(See para 4-23.)
(11) Evacuate and charge the refrigerant system. (See paras 5-10 and
5-11.)
5-24. EVAPORATOR COIL
For inspection and cleaning of installed coil, see para 4-61.
Preliminary procedure: 1.
Remove top panel.
(See para 4-23.)
2.
Remove evaporator air discharge grille. (See
para 4-18.)
3.
Remove mist eliminator.
(See para 4-26.)
4.
Remove heating elements HR1 and HR6. (See para 4-57.)
a.
Removal
(1) Discharge the refrigeration system per paragraph 5-6.
NOTE
Tubes at bottom of evaporator header and elbow at bulkhead
are most likely disconnect points.
See para 5-22 for
disassembly of expansion valve.
(2) While purging the system with nitrogen, debraze the tube joints to the
evaporator.
(See paras 5-7 and 5-8.)
(3) Using screwdriver, remove four screws and washers in right and left
hand coil/casing brackets while supporting the coil.
While handling coils, wear gloves to avoid cuts and reduce
fin damage on coil.
5-62
|