BRAKES 5-73
Fig . 122—A irb ra k e Hand C o n tro l V a lv e
13. Cam S h a ft
18. N u t
14. Cam H ousing
19. O p e ra tin g Lever
15. A d ju s tin g Bearing
20. N a m e P late
16. C o lla r
21. Lock W asher
17. C o ve r
22. Screw
2. P osition va lv e and secure with two bolts and lock
washers. Tighten bolts firm ly .
3. Connect a ir lin es to va lve.
4. Build up a ir p re s s u re in system and test va lve op
eration as p reviou sly directed.
DOUBLE CHECK VALVE (Fig. 1 2 3 )
A combination double check va lve and stop ligh t switch
is used in the brake system with tr a ile r brake con trols.
The va lve is used to connect both the foot brake ap p lica
tion va lve and the tr a ile r brake hand control va lve.
Disassembly
Rem ove two cap screw s and lock w ashers attaching
va lve c o v e r to body. R em ove co v e r and gasket, then r e
m ove shuttle va lv e and va lve guide.
Installation
Wash a ll p a rts in a cleaning solution and wipe dry.
Examine a ll parts fo r co rro s io n o r d eterio ra tio n and r e
p lace as n ecessa ry. Make sure shuttle va lve w ill slid e
fr e e ly back and forth in va lve guide.
Assembly
Apply a thin coating o f Lubriplate o r equivalent to in
side o f va lve guide. P la c e va lve guide and shuttle va lve
in body. P osition c o v e r on body, using new gasket. In
s ta ll c o v e r cap s c rew s and lock w ashers, and tighten
even ly and fir m ly .
FRONT BRAKE L IM ITIN G VALVE A N D
T W O -W A Y CONTROL VALVE (Figs. 124 and 1 2 5 )
A combination lim iting and quick release valve and a
CHEVROLET TRUCK SERVICE MANUAL
1. End Cap
2. Seal
3. N u t
4.
V a lv e D isc
5. V a lv e Body
6. V a lv e Return S pring
7. V a lv e S pring R eta in er
8. Piston Return S pring
9. Piston Cup
10. Piston
11. S pring
12. Cam
11. In stall c o v e r and name plate and secu re with pan
head screw .
Installation
1. If a new va lve assem bly is being installed, in stall
operating le v e r and shaft which w ere rem oved fro m
old unit. A lso , in sta ll a ir line connector fittin gs in
in let and outlet p o rts, using sealing compound on
connector threads. Keep sealin g compound o ff fir s t
two threads of fittin g.
To Stop
Light Switch
Gasket
Valve Guide
Body
Shuttle Valve
Cover
Brake
Application
Valve
Delivery Port
From Trailer
Brake Hand
Control Valve
To Trailer Brake
Service Line
F ig . 123— D o u b le C h e ck V a lv e
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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