Figure 2-7 Carriage Bolt Sealing; Figure 2-8 Locking Pliers Clamped To Carriage Bolts; Figure 2-9 Locking Pliers & Gen 4 Evaporator; Figure 2-10 Evaporator Mounted To Flat Ceiling - Carrier Transport Air Conditioning Installation Procedures Manual

Figure 2-7 Carriage Bolt Sealing

Figure 2-8 Locking Pliers Clamped to Carriage
Bolts
Installation Hint
In order to keep carriage bolts from being forced
out of the reinforcing rails on the bus roof, use
small locking pliers to hold the bolts in place
(See Figure 2-8). Tighten the bolts until the
evaporator is almost touching the locking pliers
(See Figure 2-9). Remove the locking pliers
and continue tightening as described in step n.
Installation Hint
For ease in installing the evaporator cover on
buses with heavily contoured ceilings, insert
spacers (wood or metal) between the evapora-
tor panel and bus ceiling. See Figure 2-17, item
j. Without these spacers you may need to trim
the top side edges of the evaporator cover.
n Mount evaporator using 3/8 inch hardware and
tighten to bus ceiling. Do not over tighten, as this will
distort either the bus ceiling and/or roof.
T--311
When installing any GEN 5 Evaporator as-
sembly, be very careful not to push against
the blower wheel (s). The blower wheel can
easily be distorted and will have to be re-
placed.
Figure 2-9 Locking Pliers & GEN 4 Evaporator

Figure 2-10 Evaporator Mounted to Flat Ceiling

Figure 2-11 Mounting Channel Sealing

o Seal outer edge of reinforcing rails. Improper
sealing of the reinforcing rails will allow water to leak into
the passenger compartment (See Figure 2-11).
p If refrigerant hose and wiring harness were
previously routed through the bus wall they can be
connected at this time. If not, the hose and harness, plus
the drain lines must be surface routed on the bus wall
using the hose cover kit provided. Refer to Section 4 for
detailed instructions regarding hose and harness
routing.
q After the liquid and suction lines have been
connected and you are sure there are no leaks, the
suction fitting and the block valve must be wrapped with
"no-drip" tape in order to keep them from dripping
condensate into the passenger compartment.
2--4
CAUTION