HEATER AND AIR CONDITIONING 1A-39
5. In stall the center ground w ire s and connect the
b lo w er lead w ires.
6. Install the re a r duct assem bly as d escrib ed p r e
viou sly.
7. Connect the battery ground cable.
E XPA N SIO N VALVE
Th is system in corp orates two expansion v a lves. These
v a lv e s do not use the extern al e q u a lizer line (fig . 54).
Removal (Inner V a lv e )
1. D isconnect the battery ground cable.
2. P u rge the system o f re frig e ra n t.
3. R em ove the re a r duct as outlined p reviou sly.
4. D isconnect the center ground w ire and the b low er
m otor lead w ire s .
Rem ove the lo w e r to upper case
s c rew s and lo w e r the lo w er case and b low er m otor
assem b lies.
C A U TIO N :
B e fo re rem ovin g the lo w er case
s cre w s , support the case to preven t damage to
the case o r m otor assem b lies.
5. D isconnect the va lve sensing bulb fro m the co re out
let line. See F igu re 54.
6. Disconnect the co re inlet and outlet lin es and rem ove
the va lve assem bly.
Cap o r tape the open connec
tions at once.
Installation (Inner V a lv e )
1. R em ove caps o r tape fro m system connections and
in stall the new va lve assem bly using new "O " rin gs
coated with clean re fr ig e r a tio n o il.
2. Install the sensing bulb, making sure that the bulb
makes good contact with the co re outlet line.
3. Install the lo w e r case and b lo w er m otor assem b lies.
4. Install the r e a r duct as outlined p reviou sly.
5. Connect the battery ground cable.
6. Evacuate, charge and p erform a n ce test the system .
F ig . 54 — Expansion V a lv e C a p illa r y Bulbs
Removal (O uter V a lv e )
1. Disconnect the battery ground cable.
2.
Pu rge the system o f re frig e ra n t.
3. Rem ove the r e a r duct as outlined p reviou sly.
4. Disconnect the b low er m otor ground straps and leads,
re la y and th erm ostatic switch w irin g harness.
5. Disconnect the re frig e ra n t lin es at the re a r of the
b lo w e r-e v a p o ra to r assem bly.
6. Rem ove the b lo w e r-e v a p o ra to r to ro o f panel, attach
ments and lo w e r the b lo w e r-e v a p o ra to r assem bly fa r
enough to disconnect the r e s is to r w irin g harness.
R em ove the assem bly and place on a w ork bench
upside down.
7. R em ove the lo w e r to upper case screw s and rem ove
the lo w er case assem bly. Rem ove the upper shroud
fro m the upper case and then rem ove the upper case
fro m the co re.
8. R em ove the expansion valve bulb fro m the evap orator
outlet lin e.
Rem ove the expansion va lve inlet and
outlet lin es and cap o r tape the open connections at
once. Rem ove the valve.
Installation (O uter V a lv e )
1. Rem ove the caps o r tape fr o m the r e frig e ra n t con
nections and in sta ll the new va lve using new
"O"
rin gs coated with clean r e frig e ra tio n o il.
2. Install the upper case to the c o re making sure the
sealing strip s a re positioned c o r r e c tly .
In stall the
upper shroud on the upper case.
3. Install the lo w e r case and b low er a ssem b lies.
4. Install the b lo w e r-e v a p o ra to r to the ro o f panel, fir s t
connecting the r e s is to r w ires.
5. Connect the r e frig e ra n t lin es at the re a r o f the
b lo w e r-e v a p o ra to r unit using new "O " rings coated
with clean r e fr ig e r a tio n oil.
6. Connect the b low er lead w ire s and ground straps,
therm ostatic sw itch and r e la y harnesses.
7. Install the re a r duct as d escrib ed p reviou sly.
8. Connect the b attery ground cable.
9. Evacuate, charge and p erform an ce test the system .
EVAPORATOR CORE (Fig. 5 5)
Removal
1. Disconnect the b attery ground cable.
F ig . 5 5 — E vapo rato r C ore In s ta lla tio n
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1970
Страница 1: ......
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...
Страница 78: ......
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...
Страница 148: ......
Страница 228: ...REAR SUSPENSION AND DRIVE LINE 4 52 I Fig 88 Forward Rear A xle Assembly Exploded V iew CHEVROLET TRUCK SERVICE MANUAL...
Страница 238: ......
Страница 383: ...ENGINE FUEL 6M 19 F ig I t Engine Fuel S p ecial Tools CHEVROLET TRUCK SERVICE MANUAL...
Страница 384: ......
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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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