Chevrolet 30 Series 1967 Service Manual page 256

BRAKES 5-42
3. Place dry rags below the switch to absorb any fluid
spilled during removal of switch.
4. Disconnect four hydraulic lines from connections at
switch. If necessary, loosen line connections at main
cylinder to loosen lines. Cover open line ends with
clean, lint-free material to prevent foreign matter
from entering the system.
5. Remove mounting screw and remove switch from
vehicle.
Installation
1. Make sure new switch is clean and free of dust and
lint. If any doubt exists, wash switch in Declene, or
equivalent, and dry with air.
2. Place switch in position and secure to bracket with
mounting screw.
3. Remove protective material from open hydraulic
brake lines and connect lines to switch. If neces­
sary, tighten brake line connections at main cylinder.
4. Connect switch electrical lead.
5. Connect battery cable.
. Bleed the brake systems as outlined in this section.
6
1. M ain C ylin d er
2. Vacuum Check V a lv e
3. Grommet
4. Diaphragm
5. Diaphragm Plate
6. Rear Shell
7. Diaphragm Spring
BENDIX POWER BRAKES
Fig. 72A—Bendix Power Brake
8. Reaction Plate
9. Plunger
10. Bearing Seal
11. Poppet V a lv e
12. Poppet V a lv e Spring
13. Poppet Retainer
14. Retainer
Fig. 71—Flaring O p era tio n —First and Second Flare
U n it—Single Diaphragm Type
14. Dust Boot
15. V a lv e Push Rod
16. F ilte r and Silencers
17. V a lv e Return Spring
18. Mounting Stud
19. A ir V a lv e Lock Plate
20. Diaphragm Lip
21. Front Shell
22. Push Rod Seal
23. C ylin d er-to -Sh ell Seal
24. H yd raulic Push Rod
25. Adjusting Screw
CHEVROLET TRUCK SERVICE M ANUAL