14
904144 REV A 1/9/12, INST 1970-72 CUTLASS w/ AC EVAP KIT PG 14 OF 25
LOCATE THE #8 COMPRESSOR A/C HOSE. LUBRICATE (2) #8 O-RINGS (SEE FIGURE 14, ABOVE) AND CONNECT
THE 90° FEMALE FITTING w/ 134a SERVICE PORT TO THE #8 DISCHARGE PORT ON THE COMPRESSOR. ROUTE
THE 90° FEMALE FITTING TO THE #8 CONDENSER HARDLINE COMING THROUGH CORE SUPPORT. SEE
FIGURE 15, PAGE 15. TIGHTEN EACH FITTING CONNECTION AS SHOWN IN FIGURE 14 ABOVE.
LOCATE THE #10 COMPRESSOR A/C HOSE. LUBRICATE (2) #10 O-RINGS (SEE FIGURE 14, ABOVE) AND CONNECT
THE #10 135° FEMALE FITTING w/134a SERVICE PORT TO THE #10 SUCTION PORT ON THE COMPRESSOR. ROUTE
THE 90° FEMALE FITTING TO THE #10 EVAPORATOR. SEE FIGURE 11 PAGE 13 AND FIGURE 15, PAGE 15. TIGHTEN
EACH FITTING CONNECTION AS SHOWN IN 14 ABOVE.
LOCATE THE #6 EVAPORATOR A/C HOSE. LUBRICATE (2) #6 O-RINGS (SEE FIGURE 14 , ABOVE) AND CONNECT
THE 90° FEMALE FITTING TO THE #6 HARDLINE COMING THROUGH THE CORE SUPPORT FROM DRIER. ROUTE
THE 90° FEMALE FITTING TO THE #6 EVAPORATOR. SEE FIGURE 11, PAGE 13 AND FIGURE 15 PAGE 15. TIGHTEN
EACH FITTING CONNECTION AS SHOWN IN FIGURE 14, ABOVE.
A/C HOSE INSTALLATION
STANDARD HOSE KIT
LUBRICATING O-RINGS
FIGURE 14
LOCATE EVAPORATOR DRAIN ON BOTTOM
OF EVAPORATOR CASE.
IN-LINE WITH DRAIN, LIGHTLY MAKE A MARK
ON THE FIREWALL MEASURE 1” DOWN AND
2 1/2” TO THE LEFT AND DRILL A 5/8” HOLE
THROUGH THE FIREWALL. SEE FIGURE 13 BELOW.
INSTALL DRAIN HOSE TO BOTTOM OF
EVAPORATOR UNIT AND ROUTE THROUGH
FIREWALL. SEE FIGURE 13.
DRAIN HOSE INSTALLATION
FIGURE 13
EVAPORATOR
O-RING
O-RING, INSTALLS
OVER MALE INSERT
TO SWAGED LIP
SUPPLIED OIL
FOR O-RINGS
FEMALE
NUT
MALE
INSERT
O-RING
#6 O-RING
#8 O-RING
#10 O-RING
TWIST WITH
THIS WRENCH
HOLD WITH
THIS WRENCH
FOR A PROPER SEAL OF FITTINGS:
INSTALL SUPPLIED O-RINGS AS SHOWN
AND LUBRICATE WITH SUPPLIED OIL.
CASE
1”
2 1/2”
DRAIN
HOSE
1”
2 1/2”
REFER TO SEPARATE INSTRUCTIONS INCLUDED WITH MODIFIED HOSE KIT.
MODIFIED A/C HOSE KIT
Summary of Contents for 1970-72 Cutlass
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