12
904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 12 OF 27
INNER
COWL
DRILL (2)
⁄
” HOLES (2)#14 x
¾
”
SHEET METAL
SCREWS
(2)1/4-20 x 1
¼
”
HEX BOLT
(2) 1/4” FLAT
WASHER
(2) .563 L
SPACERS
VIEW FROM
PASSENGER SIDE
INSIDE OF CAB
FIGURE 9
FIGURE 9b
FIGURE 9a
EVAPORATOR INSTALLATION
LIFT EVAPORATOR UNIT UP UNDER THE DASHBOARD. SECURE LOOSELY TO THE FIREWALL USING
(2) 1/4-20 x 1
¼
” HEX BOLTS, (2) FLAT WASHERS AND (2) .563 L SPACERS. (SEE FIGURE 9.)
NOTE: TO ENSURE PROPER DRAINAGE, IT IS VERY IMPORTANT THAT THE EVAPORATOR IS LEVEL, BOTH LEFT-RIGHT
AND FORE-AFT. CHECK FOR LEVEL ON THE FLAT PORTIONS OF THE CASE AROUND THE DRAIN, BLOCK THE UNIT
UP, THEN DRILL FOR FRONT BRACKET SCREWS.
SECURE THE FRONT EVAPORATOR MOUNTING BRACKET TO COWL USING (2) #14 x 3/4” HEX SHEET
METAL SCREWS SEE FIGURE 9a BELOW.
VERIFY THAT EVAPORATOR UNIT IS LEVEL AND SQUARE TO THE DASH, THEN
TIGHTEN ALL MOUNTING BOLTS.
(
NOTE: TIGHTEN THE BOLT ON FIREWALL FIRST, THEN THE FRONT
MOUNTING BRACKET
.)
INSTALL #10 SUCTION LINE AS SHOWN IN FIGURE 9b BELOW.
NOTE: WRAP THE #10 FITTING CONNECTIONS
WITH PRESS TAPE. SEE FIGURE 9b BELOW.
RE-INSTALL (2) OEM BOLTS UNDER DASH ON
PASSENGER SIDE DOOR PILLAR.
RE-INSTALL DASH BRACE
(IF EQUIPPED)
NOTE:
AFTER INSTALLING
#10 SUCTION LINE
WRAP ALL EXPOSED METAL
(FITTINGS & TUBE) WITH
SUPPLIED PRESS TAPE
PRESS TAPE
#10 O-RING
33859-VUF
#10 SUCTION
LINE
091152
