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ENGINE FUEL 6M-13
FUEL PUMPS
INDEX
Page
General Description..........................................................6M-13
Service P ro c e d u re s ......................................................... 6M-13
Fuel Pump Inspection and T e s t ................................. 6M-13
Vacuum Section Inspection and T e s t ........................... 6M-14
............................................................... 6M-14
Page
Installation . ............................................................ 6M-14
......................................................... 6M-14
Cleaning and In sp ectio n .......................................... 6M-15
A sse m b ly .................................................................. 6M-15
GENERAL DESCRIPTION
The fuel pumps used on both six and eight cylinder en
gines are of the diaphragm type. Two types of diaphragm
fuel pumps are used, a servicable combination fuel and
vacuum pump and a non-servicable fuel pump that be
cause of design, is serviced as an assembly only.
The pumps are actuated by an eccentric located on the
engine camshaft. On in-line engines, the eccentric actu
ates the pump rocker arm. On V
- 8
engines, a push rod
(located between the camshaft eccentric and fuel pump)
actuates the rocker arm.
INLET
OUTLET
Fig. 2P - Step-Van Fuel and Vacuum Pump
Fig. I P - Fuel Pump (N o n - Se rvice ab le)
1.
O u tlet V a lv e
10.
Pulsator Diaphragm
2.
Fuel Cover
11.
Fuel Inlet V a lv e Assembly
3.
Fuel Diaphragm
12.
Pump Body
4.
Fuel Diaphragm Spring
13.
Rocker Arm Return Spring
5. Vacuum Link
14.
Seal
6.
Fuel Link
15.
Rocker Arm
7. Vacuum O u tlet V a lv e
16.
Bushing
Assemblies
17. Vacuum Diaphragm
8.
Diaphragm Spring
18. Vacuum Inlet V a lv e Assemblies
9.
Pulsator Cover
19. Vacuum Cover
SERVICE PROCEDURES
FUEL PUMP INSPECTION AND TEST
The fuel pump should be checked to make sure the
mounting bolts and inlet and outlet connections are tight.
Always test pump while it is mounted on the engine and be
sure there is gasoline in the tank.
The line from the tank to the pump is the suction side
of the system and the line from the pump to the carbure
tor is the pressure side of the system. A leak on the
pressure side, therefore, would be made apparent by
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1967
Страница 1: ...CHASSIS V3 a n s W U gw...
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Страница 39: ...HEATER AND AIR CONDITIONING 1A 11 EVAPORATOR OUTLET Fig 20 Airflow Schematic CHEVROLET TRUCK SERVICE MANUAL...
Страница 80: ...BODY IB 18 Fig 41 Exploded View of Level Ride Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 89: ...BODY IB 27 CHEVROLET TRUCK SERVICE MANUAL...
Страница 105: ...BODY IB 43 Fig 94 Check Link Assembly Typical CHEVROLET TRUCK SERVICE MANUAL...
Страница 117: ...BODY IB 55 Fig 116 A uxiliary Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 121: ...Fig 4 1 0 3 0 Series Truck Frame...
Страница 122: ...Fig 5 4 0 6 0 Single A xle Truck Frames Exc T ilt Cab FRAME 2 4...
Страница 124: ...CHEVROLET TRUCK SERVICE MANUAL 1 Ficu 7 4 0 6 0 Series T ilt Cab Truck Frames FRAME 2 6...
Страница 128: ...CHEVROLET TRUCK SERVICE MANUAL Fig 8 Underbody Reference Points and Dimensions Chevy Van G10 and 20 FRAME 2 10...
Страница 207: ...REAR SUSPENSION AND DRIVE LINE 4 49 Fig 91 Tandem Rear Axles and Power Divider CHEVROLET TRUCK SERVICE MANUAL...
Страница 228: ...BRAKES 5 12 TD 50 60 Fig 23 Parking Brake Cables T Models CHEVROLET TRUCK SERVICE MANUAL...
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Страница 336: ...ENGINE FUEL 6M 12 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 393: ...CHEVROLET TRUCK SERVICE MANUAL CLUTCHES AND TRANSMISSIONS 7 7...
Страница 452: ...FUEL TANK AND EXHAUST SYSTEMS 8 6 Fig 7 Fuel Lines and Filter CD50 60 CHEVROLET TRUCK SERVICE MANUAL...
Страница 472: ...STEERING 9 18 Fig 31 Typical Power Steering Hose Routing CHEVROLET TRUCK SERVICE MANUAL...
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Страница 502: ...l c t r iC al 12 2...
Страница 506: ...ELECTRICAL BODY AND CHASSIS 12 6 VIEW C Fig 9 Front Lighting Assemblies CHEVROLET TRUCK SERVICE MANUAL...
Страница 532: ...ELECTRICAL BODY AND CHASSIS 12 32 Fig 42 Engine Compartment PT 20 30 CHEVROLET TRUCK SERVICE MANUAL...
Страница 535: ...ELECTRICAL BODY AND CHASSIS 12 35 Fig 45 Engine Compartment CS40 50 60 MS60 CHEVROLET TRUCK SERVICE MANUAL...
Страница 561: ...ELECTRICAL BODY AND CHASSIS 12 61 18 DG 18 DG Fig 71 Instrument Panel G A 10 20 CHEVROLET TRUCK SERVICE MANUAL...
Страница 562: ...ELECTRICAL BODY AND CHASSIS 12 62 Fig 72 Engine and Tail Lamps G A 10 20 CHEVROLET TRUCK SERVICE MANUAL...
Страница 566: ...ELECTRICAL BODY AND CHASSIS 12 66 Fig 76 Engine Compartment SE50 60 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 587: ...SPECIFICATIONS 7 ENGINE SECTION 6 8 25 1 on CE TE400 Series CHEVROLET TRUCK SERVICE MANUAL...
Страница 590: ...SPECIFICATIONS 10 ENGINE TORQUES CHEVROLET TRUCK SERVICE MANUAL...