ELECTRICAL—BODY AND CHASSIS 12-3
H orizon tal and v e r tic a l aim ing of each sealed beam is
T h ere is no adjustment fo r focus since the sealed beam
p rovid ed by two adjusting s c re w s v is ib le through the
unit is set fo r focus during manufacturing assem bly,
b e z e l which m ove the mounting rin g against the tension of
the c o il spring.
SERVICE OPERATIONS
SEALED BEAM UNIT REPLACEMENT (Fig. 3 )
1. R em ove b e z e l retaining s c rew s and b ezel.
2. D isengage spring fro m retaining ring.
3. Turn headlamp unit to disengage assem bly fro m
headlamp adjusting screw s.
4. Disconnect w irin g harness connector located at re a r
of unit in engine compartment.
NOTE:
Do not disturb adjusting screw setting.
5. R em ove retaining rin g and headlamp fro m mounting
ring.
6. P o sitio n new sealed beam unit in mounting ring and
in stall retaining ring.
NOTE:
The number m olded into lens face must
be at top.
7. Attach w irin g harness connector to unit.
8. In stall headlamp assem bly in panel opening, tw isting
s ligh tly to engage mounting rin g tabs with adjusting
screw s.
9. In stall retaining rin g sprin g then check operation of
unit and in stall b ezel.
PARKING, CLEARANCE A N D IDENTIFICATIO N
BULB REPLACEMENT
1. R em ove retaining s c re w (s ) and lens fro m housing.
2. R eplace bulb and check operation of unit.
3. In sta ll lens and retain in g screw s.
PARKING LAMP H O U S IN G REPLACEMENT (Fig. 3)
1. R em ove headlamp b e z e l on 40-60 and P20-30 s e r ie s
trucks.
2. R em ove lamp housing retaining nuts, and disengage
assem bly fro m g r ille o r panel opening.
3. D isconnect parking lamp w irin g fro m fo rw a rd w irin g
harness.
4. Connect w irin g of new unit to v e h icle harness.
5. P o sitio n lamp housing in g r ille o r panel opening, as
appropriate and in sta ll retaining nuts.
6. In stall bulb, lens and b e z e l as requ ired.
CLEARANCE A N D ID EN TIFIC A TIO N LAMP
H O U S IN G REPLACEMENT (See Fig. 4)
REAR LIGHTING (Fig. 5)
Exploded view s of the d ifferen t re a r lighting a rra n g e
ments a re shown in F igu re 5.
The bulbs may be r e
p laced by rem ovin g the lamp lens attaching screw s and
lamp lens. The lamp housings may be rep laced by r e
m oving the housing attaching nuts o r screw s, o r by r e
m oving the nuts and bolts fro m the bracket.
MARKER LAMPS (Fig. 5)
1. R em ove screw s retaining m a rk er lamp assem bly to
sheet m etal o r housingo
NOTE:
Lam p assem bly lens does not separate
fro m back.
2. Rotate m a rk er lamp assem bly o v e r and turn plug
connector 1/4 turn cou n ter-clock w ise to rem ove and
rep lace bulb inset in plug connector.
DIRECTIONAL SIGNAL LAMPS
D irection al Signal lights a re eith er an in teg ra l part of
the parking and ta illig h t a ssem b lies o r a re mounted on
each side of cab (tilt cab only).
NOTE:
On v e h ic le s using parking and tailligh t
assem b lies fo r d irection a l signals; r e fe r to ap
p licab le light assem b lies fo r bulb replacem ent.
Bulb Replacem ent (C ab M ounted D irectional Lamps)
1. Rem ove th ree screw s which retain re a r lens to lamp
assem bly and rem ove lens.
2. Replace bulb and check operation of lamp.
3. P o sitio n lens and in sta ll attaching screw s.
WIPER SWITCH REPLACEMENT (Fig. 9)
1. Disconnect b attery ground cable.
2. Loosen set s c re w and rem ove w ip er knob.
3. R em ove b e z e l and retaining nut.
4. Push sw itch fro m panel opening and rem ove fro m
behind instrum ent clu ster.
5. Disconnect w irin g at switch term in als.
6. T o in stall, r e v e r s e rem o va l procedure and check
operation of unit.
LIGHT SWITCH REPLACEMENT (Fig. 9)
1. Disconnect b attery ground cable.
2. Reaching up behind instrum ent clu ster, dep ress shaft
retaining button and rem ove switch knob and rod.
3. R em ove b e z e l and retaining nut.
4. Push switch fro m panel opening and rem ove fro m
behind instrum ent panel.
5. Disconnect m ultiple w irin g connectors at switch
term in als.
6. T o install, r e v e r s e rem o va l procedure.
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...
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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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