Chevrolet 10 Series 1970 Service Manual page 36

HEATER AND AIR CONDITIONING 1A-6
F ig . 11 — D efroster Hoses (A ll V e h ic le s )
DEFROSTER DUCT
A ll M odels
The d e fro s te r hose and outlet assem blies fo r a ll v e ­
h ic le s a re illu stra ted in F ig u re 11.
CONTROL ASSEMBLY
Deluxe A ir H eater
Removal (Fig. 12)
1. R em ove the control assem b ly retaining screw s at
the lo w e r edge of the dash.
2. L o w e r the unit and re m o v e the b low er switch.
3. R em ove the cables fro m the control unit one by one
and mount them in th e ir res p e c tiv e positions on the
replacem en t unit. Check cable adjustment.
Installation
1. Attach the b low er switch and w iring to the control
unit.
2. P la c e the unit in position in the dash and rep lace
mounting screw s.
Tilt Cab
Removal (Fig. 13)
1. R em ove the screw s at the upper edge of the control
unit.
.
2
R em ove the screw s which attach the control unit
b ra ce to the lo w er edge of the dash and lo w e r the
assem bly.
R em ove the b low er switch knob and b low er switch.
3.
4. R em ove cables fro m the control unit one by one and
DEFROST-
FAN SWITCH
12—
F ig . D e lu xe A ir H eater C o n tro l
mount them in th eir resp ective positions on the r e ­
placem ent unit. Check cable adjustment.
Installation
1. Attach the blow er switch and w irin g to the control
unit. P r e s s the knob onto the switch le v e r.
2. P la c e the unit in position in the dash and replace
b race and unit mounting screw s.
CONTROL CABLES
D eluxe Air H eater
R em ove the control assem bly as outlined under CON­
T R O L A SSE M B LY and
cables. Check cable adjustment b efo re in stalling control
' \
i \
AIR
TEMP
replace the affected cable o r
CHEVROLET TRUCK SERVICE MANUAL