TK 55676-19-IM-EN
47
Figure 25.
Suction and Discharge Hoses Shown Correctly Routed and Secured
RCS1632
Hoses shown correctly routed and secured
with bandwraps to hose support bracket.
DISCHARGE HOSE ON TOP
SUCTION HOSE ON BOTTOM
Remove excess length
after tightening
Remove bottom panel
Underside of APU showing hoses correctly routed and
secured with bandwraps to the hose support bracket
IMPORTANT: Keep hoses away from
fuel strainer, fuel fittings, and bracket
C
Co
om
mp
prre
esssso
orr tto
o E
Ev
va
ap
po
orra
atto
orr
6. From the APU, route the #
#1
10
0 ssu
uccttiio
on
n h
ho
osse
e up through the 3” access hole in the tractor floor to the evaporator:
a. Cut the hose to the appropriate length, attach a #
#1
10
0 ffiittttiin
ng
g and connect to the #10 suction fitting on the
evaporator
A
AP
PU
U tto
o C
Co
on
nd
de
en
nsse
err
7. From the APU, route the #
#8
8 d
diisscch
ha
arrg
ge
e h
ho
osse
e to the condenser coil:
a. Cut the hose to the appropriate length, attach a #
#8
8 ffiittttiin
ng
g and connect to the #8 discharge fitting located near the
top of the condenser coil.
E
Ev
va
ap
po
orra
atto
orr tto
o R
Re
ecce
eiiv
ve
err D
Drriie
err
8. Fabricate a #
#6
6 h
ho
osse
e and fitting and attach onto the #
#6
6 lliiq
qu
uiid
d lliin
ne
e ffiittttiin
ng
g on the evaporator:
a. Route the hose down through the 3” access hole in the tractor floor to the receiver drier.
b. Cut the hose to the appropriate length, attach a #
#6
6 ffiittttiin
ng
g and connect to the O
OU
UT
TL
LE
ET
T end indicated by arrow on
the receiver drier.
C
Co
on
nd
de
en
nsse
err tto
o R
Re
ecce
eiiv
ve
err D
Drriie
err
9. Fabricate a #
#6
6 h
ho
osse
e and fitting and attach onto the #
#6
6 ffiittttiin
ng
g on the condenser coil:
a. Route the hose to the receiver drier.
b. Cut the hose to the appropriate length, attach a #
#6
6 ffiittttiin
ng
g and connect to the IIN
NL
LE
ET
T end on the receiver drier.
10. Tighten all fittings as specified in the chart.
11. Reinstall and secure APU side panel.
N
No
otte
e:: The bottom pan will be reinstalled in a later step.