HEATER AND AIR CONDITIONING 1A-34
TEMPERATURE
O U T L E T
DEFROSTER
OUTLET SELECTOR
CABLE
DEFROSTER
CABLE
F ig . 4 3 —A ir C o n d itio n in g C o n tro ls
3. Rem ove retaining clamp s crew and loosen P O A valve
outlet pipe clam p mounting screw .
4. R em ove P O A valve in let and outlet connections and
rem o ve P O A valve. Cap the open tubes.
5. R em ove clamp fro m P O A valve.
Installation
1. A ssem b le clamp on P O A va lve and connect inlet
and outlet connections using new " O " ring seals
coated with clean r e frig e ra tio n oil.
2. Secure P O A va lve clamp and outlet line clamp.
3. Connect the evaporator o il bleed line and the ex
pansion va lve equalizing line to the P O A va lve using
new " O " ring seals coated with clean re frig e ra tio n
oil.
4. Connect battery ground cable.
Evacuate and charge
the system .
CONTROL ASSEMBLY
Removal (Fig. 4 3 )
1. Disconnect battery ground cable.
2. Rem ove the screw s in the lo w er lip of the dash which
attach the control assem bly bracket to the dash.
3. M ove the unit toward the fron t of the veh icle and
lo w e r it.
4. Disconnect the b low er harness connector and illu m i
nating lamp sockets.
Rem ove the b low er switch and
mounting
bracket.
R em ove the vacuum control
switch.
5. R em ove the control cables and tra n sfer them to the
replacem en t control unit. Check them fo r adjustment.
Installation
1. Attach the blow er switch to the unit.
Connect the
harness connector and illum inating lam ps.
Attach
the mounting bracket. Install the vacuum switch and
hoses.
2. L ift the unit into position and attach it to the dash.
3. Connect the battery ground cable.
BLOWER M O TO R SWITCH (Fig. 4 4 )
Removal
1. Disconnect battery ground cable.
2. Disconnect
w iring
harness
connector at blow er
switch.
3. R em ove blow er switch mounting screw s and rem ove
switch.
Installation
1. P la c e b low er switch in position and install mounting
screw s.
2. Connect w irin g harness to switch.
3. Connect battery ground cable.
BLOWER M O TO R RELAY (Fig. 4 4 )
Removal
1. Disconnect w iring harness at re la y connector.
2. Rem ove the re la y mounting screw s and rem ove
relay.
Installation
1. P la c e re la y in position and d riv e mounting screw s.
2. Connect w iring harness to relay.
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1970
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Страница 38: ...HEATER AND AIR CONDITIONING 1A 8 CHEVROLET TRUCK SERVICE MANUAL...
Страница 57: ...HEATER AND AIR CONDITIONING 1A 27 Fig 35 Compressor M ountings CHEVROLET TRUCK SERVICE MANUAL...
Страница 75: ...HEATER AND AIR CONDITIONING 1A 45 Fig 65 R oof M ounted System W iring Diagram CHEVROLET TRUCK SERVICE MANUAL...
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Страница 101: ...BODY IB 23 s A ADJUSTER SCREW AND LEVER ASSY Fig 5 9 Exploded V iew o f Level Ride Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 137: ...BODY IB 59 VIEW IN DIRECTION OF ARROW A Fig 137 A u x ilia ry Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 142: ...CHEVROLET TRUCK SERVICE MANUAL Fig 5 10 30 Series Truck Frame FRAME 2 4...
Страница 145: ...CHEVROLET TRUCK SERVICE MANUAL FRAME 2 7...
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Страница 228: ...REAR SUSPENSION AND DRIVE LINE 4 52 I Fig 88 Forward Rear A xle Assembly Exploded V iew CHEVROLET TRUCK SERVICE MANUAL...
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Страница 383: ...ENGINE FUEL 6M 19 F ig I t Engine Fuel S p ecial Tools CHEVROLET TRUCK SERVICE MANUAL...
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Страница 432: ...Fig 1 C lu tch Linkage Except P 2 0 4 0 Series...
Страница 433: ...CLUTCHES AND TRANSMISSIONS 7 3 Fig 2 C lutch Linkage Step Van P 20 40 Series CHEVROLET TRUCK SERVICE MANUAL...
Страница 506: ...FUEL TANK AND EXHAUST SYSTEMS 8 8 Fig 10 Vent Lines Cab M ounted Tanks CHEVROLET TRUCK SERVICE MANUAL...
Страница 528: ...Fig 31 T yp ica l Power Steering Hose Routings...
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Страница 566: ...ELECTRICAL BODY AND CHASSIS 12 4 Fig 3 Front Lighting Assemblies CHEVROLET TRUCK SERVICE MANUAL...
Страница 567: ...ELECTRICAL BODY AND CHASSIS 12 5 Fig 4 C learance and Id e n tific a tio n Lamps CHEVROLET TRUCK SERVICE MANUAL...
Страница 568: ...ELECTRICAL BODY AND CHASSIS 12 6 Fig 5 Rear Lighting Composite CHEVROLET TRUCK SERVICE MANUAL...
Страница 597: ...ELECTRICAL BODY AND CHASSIS 12 35 Fig 37 Engine Com partm ent CE M E60 CHEVROLET TRUCK SERVICE MANUAL...
Страница 598: ...ELECTRICAL BODY AND CHASSIS 12 36 TO FRAME i f Fig 38 Engine Com partm ent C D 50 CHEVROLET TRUCK SERVICE MANUAL...
Страница 608: ...ELECTRICAL BODY AND CHASSIS 12 46 Fig 48 Instrument Panel C A40 CE CS ME50 Exc 02 CHEVROLET TRUCK SERVICE MANUAL...
Страница 610: ...ELECTRICAL BODY AND CHASSIS 12 48 Fig 50 Instrument Panel CE M E60 03 13 CHEVROLET TRUCK SERVICE MANUAL...
Страница 614: ...ELECTRICAL BODY AND CHASSIS 12 52 Fig 54 Instrument Panel SA40 50 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 649: ...SPECIFICATIONS 9 ENGINE SECTION 6 CHEVROLET TRUCK SERVICE MANUAL...
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