ENGINE FUEL 6M-6
position and adjust swivel (D) on rod (E) so that it
enters freely into hole in lever (A).
3. Depress accelerator pedal to 1/4 inch from floor.
4. Install rod (H) and adjust swivel (J) so that it enters
freely into hole in lever (A).
5. Install clips on swivels.
6. Remove gauge pin from lever (A).
GOVERNORS
INDEX
Page
V elocity T y p e .......................................................................
General D e s c r ip t io n .......................................................
Maintenance and A d ju s tm e n ts .......................................
.............................................................
Vacuum Spinner Type - 2G C a r b u r e t o r s ..........................
Page
General D e s c r ip t io n ......................................................
M ajor Service O p e r a t io n s .............................................
Control V a l v e .............................................................
Governor H o u sin g .......................................................
T r o u b le s h o o t in g .............................................................
ENGINE GOVERNOR (VELOCITY TYPE)
GENERAL DESCRIPTION
A velocity type governor is used as optional equipment
on 230, 250, 292 and 307 truck engines.
The governor is mounted between the carburetor and
the intake manifold and automatically governs the maxi
mum speed at which the truck engine may be operated,
which in turn limits the maximum speed at which the
vehicle may be operated.
The governor (fig. 1G) is operated by the vacuum exist
ing in the intake manifold under varying conditions of
engine operation and the flow of air past the governor
valve. A shaft carried on a needle type roller bearing
extends through the body of the governor and this shaft is
offset from the center line of the throat. On the shaft is
mounted a throttle plate or throttle valve. The valve is
slightly offset on the shaft and in its wide open position is
about 10 degrees from the vertical (fig. 1G).
The gas mixture rushing from the carburetor through
the governor throat strikes the offset throttle valve and
tends to draw it closed. This action is opposed by a
governor spring which is attached to the valve shaft
through a cam ribbon and cam. By adjusting the pull of
this spring, the governor valve can be made to remain
open, and then closed at a predetermined engine speed.
Adjustment of the spring pull is accomplished by changing
the number of spring coils operating by turning the ad
justment cap.
F ig . 1 G - Diagrammatic View of Governor for 6 -C y lin d e r Engine
MAINTENANCE AND ADJUSTMENTS
Adjustments
All governors are calibrated and adjusted in assembly
to insure accurate control of the maximum engine speed
of the model vehicle for which it is intended. However,
there will be occasions when minor adjustments are re
quired to satisfy local conditions where the truck is
operating.
To adjust a governor for higher speed, turn the adjust
ing cap "C " (fig. 2G) counter-clockwise or to the left: for
lower speeds turn adjusting cap "C” clockwise or to the
right. One' turn on the adjusting screw will change the
speed approximately 300-400 rpm or 4-5 mph.
F ig . 2 G - Governor Adjustment
STABILIZER (NON-CHEATING)
PISTON AND ROD
GOVERNOR
THROTTLE VALVE
ADJUSTING
CAP
GOVERNOR
SPRING
ADJUSTING
SCREW
ADJUSTING
SCREW
BUSHING
CAM
CAM RIBBON
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1968
Страница 1: ...ST 1 3 3 SB...
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Страница 52: ...HEATER AND AIR CONDITIONING 1A 21 Fig 32 Charging Schematic CHEVROLET TRUCK SERVICE MANUAL...
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Страница 128: ...BODY IB 61 Fig 135 A uxiliary Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 132: ...Fig 4 1 0 3 0 Series Truck Frame...
Страница 133: ...Fig 5 4 0 6 0 Single A xle Truck Frame E x c Tilt Cab...
Страница 135: ...Fig 7 4 0 6 0 Series Tilt Cab Truck Frames...
Страница 138: ...CHEVROLET TRUCK SERVICE MANUAL Fig 8 Underbody Reference Points and Dimensions Chevy Van G10 and G20 J FRAME 2 9...
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Страница 223: ...REAR SUSPENSION AND DRIVE LINE 4 54 Fig 101 Forward Rear Axle Assembly Exploded View CHEVROLET TRUCK SERVICE MANUAL...
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Страница 248: ...BRAKES 5 15 TD 50 60 Fig 26 Parking Brake Cables T Models CHEVROLET TRUCK SERVICE MANUAL...
Страница 299: ...BRAKES 5 56 Fig 88 Frame Mounted Vacuum Single Diaphragm Power Brake Installation CHEVROLET TRUCK SERVICE MANUAL I...
Страница 331: ...BRAKES 5 88 Fig 126 Stopmaster Brake Components Automatic Adjuster with Fail Safe CHEVROLET TRUCK SERVICE MANUAL...
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Страница 398: ...ENGINE FUEL 6M 5 Fig 7 C Throttle Linkage GS100 200 Fig 8C Throttle Linkage GE100 200 CHEVROLET TRUCK SERVICE MANUAL...
Страница 409: ...ENGINE FUEL 6M 16 Fig 12A CM KM 250 CM350 Fig 13A CM KM 250 CM350 CHEVROLET TRUCK SERVICE MANUAL...
Страница 410: ...ENGINE FUEL 6M 17 Fig 14A PE200 300 TE400 500 600 Fig 15A PT200 300 CHEVROLET TRUCK SERVICE MANUAL...
Страница 411: ...ENGINE FUEL 6M 18 Fig 18A V 8 Typical CHEVROLET TRUCK SERVICE MANUAL...
Страница 412: ...ENGINE FUEL 6M 20 ENGINE FUEL 6M 19 Fig 21 A CE100 200 With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 413: ...ENGINE FUEL 6M 20 Fig 2 2 A C S K A 1 00 200 CS300 With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 414: ...ENGINE FUEL 6M 21 Fig 25A CS PS SS400 CS M S SS500 CS600 TSOOO With Heat Stove CHEVROLET TRUCK SERVICE MANUAL...
Страница 470: ...CLUTCHES AND TRANSMISSIONS 7 7 Fig 14 Clutch Linkage Exploded View CHEVROLET TRUCK SERVICE MANUAL...
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Страница 583: ...CHASSIS SHEET METAL 11 12 Fig 20 Designation and Name Plate CHEVROLET TRUCK SERVICE MANUAL...
Страница 585: ...CHASSIS SHEET METAL 11 14 SPECIAL TOOLS Fig 24 J 5544 1 Hood Spring Remover CHEVROLET TRUCK SERVICE MANUAL...
Страница 587: ...ELECTRICAL BODY AND CHASSIS 12 2 Fig 1 Fuse Panel CHEVROLET TRUCK SERVICE MANUAL...
Страница 591: ...ELECTRICAL BODY AND CHASSIS 12 6 CA SA MA 50 60 CHEVY VAN Fig 9 Front Lighting Assemblies CHEVROLET TRUCK SERVICE MANUAL...
Страница 596: ...ELECTRICAL BODY AND CHASSIS 12 11 Fig 15 Electrical Components Conv Cab CHEVROLET TRUCK SERVICE MANUAL...
Страница 611: ...r ELECTRICAL BODY AND CHASSIS 12 26 9 CHEVROLET TRUCK SERVICE MANUAL...
Страница 622: ...ELECTRICAL BODY A N D CHASSIS 12 37 IGNITION SWITCH Fig 44 Engine Compartment PA20 30 CHEVROLET TRUCK SERVICE MANUAL...
Страница 623: ...ELECTRICAL BODY A N D CHASSIS 12 38 Fig 45 Engine Compartment PS40 CHEVROLET TRUCK SERVICE MANUAL...
Страница 633: ...ELECTRICAi BODY A N D CHASSIS 12 48 Fig 55 Engine Compartment SE50 60 02 62 CHEVROLET TRUCK SERVICE MANUAL...
Страница 634: ...YJ ELECTRICAL CHASi V 49 4 Fig 56 Engine Compartment C D C G CD60 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 698: ...SPECIFICATIONS 12 ENGINE TORQUES CHEVROLET TRUCK SERVICE MANUAL...
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