TM 9-2330-271-14&P
there, run it across bottom of air supply duct, through
(4) Secure hood assembly to van wall with cap
the grille opening and air filter brackets to the closer
screws.
capillary tube bracket located inside the air duct. Make
(5) Connect power and remote control cables.
certain there are no kinks or sharp bends in the tube.
(6) Replace the two access panels from front
(4) Place rubber capillary securing clip on
wall in the interior of the van.
capillary tube bracket. Slip capillary tube into rubber
securing clip and tighten securing bolt so that clip holds
tube firmly but does not crush it.
93. Remote Control Unit, XM654
(5) Repeat this procedure for the lower remote
control unit. Copper tubing for this unit runs to the
a. Removal.
bottom of air supply duct to left of copper tubing already
(1) Remove grille from return air duct at front of
in place. It will run along bottom of air supply duct and to
van.
opening in the return air duct, just below tubing installed
(2) Remove the two air filters from opening
for upper unit.
created by removal of grille.
Secure with rubber securing clip of the farther capillary
(3) Loosen capillary tube securing clips inside
tube bracket inside return air duct.
the return air duct by removing the screw holding each
(6) Fasten tubing to van wall with securing
clip. Slip tube free of its securing clip.
clips, each clip holding both tubes, using a screw and
(4) Disconnect power cables.
washer for each clip.
(5) From along the underside of air supply duct
(7) Install two air filters on their supporting
against van wall, remove the securing clips holding
brackets.
copper tubing in place.
(8) Install return air grille with 22 screws.
(6) Unfasten lower remote control unit first by
removing four screws holding it in place. This is the
94. Air Conditioner, XM680, XM680E1
remote control unit with longer copper tubing.
Handle the unit carefully to prevent damage to tubing.
a General. The XM680 and XM680E1 semitrailers
(7) Unfasten and remove upper remote control
are equipped with four model CE20VAL6, 208volt, three-
unit, following the procedure in (6) above.
b. Installation.
phase, 60 Hz, 18, 000 BTU air conditioners, mounted in
front directly to the rear of the front doors The remote
(1) Remove return air grille and the two air
control units are located on the inside face of the front
filters if they have not previously been removed.
bulkhead.
(2) Carefully lift remote control unit with shorter
b. Removal (fig 92)
(1)
Disconnect
capillary tube to upper mounting base on right wall of
damper control chains from each return air grille.
van. Make certain that capillary tube is not kinked,
Remove return air grilles from partition in van interior.
unduly bent, or damaged. Fasten unit with four screws
and washers.
(3) Carefully extend the capillary tube along the
wall to the bottom of the air supply duct.
From
9-2