Chevrolet 10 Series 1970, Руководство по обслуживанию

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BRAKES 5-42
F ig . 7 0 — Brake Tube S upport
6. Rem ove co tter pin, nut, washer, and rela y le v e r .
Inspect re la y le v e r bushing. Replace damaged o r
badly worn bushings.
Support Plate Installation
1. P osition support plate on p ilo t o f tran sm ission re a r
bearin g cap o r re ta in e r and align bolt holes. Insert
fou r bolts and tighten secu rely. (190 ft. lb .).
2. In stall cam shaft in cam shaft bracket. A lign control
le v e r m ark with m ark on cam shaft and in sta ll control
le v e r . Tighten clam p nut.
3. In stall brake shoe and lining assem b lies.
4. Install p ro p e lle r shaft flange at mainshaft as d irected
in "T R A N S M IS S IO N " (Sec. 7).
5. R eplace re la y le v e r , w asher, and nut on shaft.
Tighten nut ligh tly, then back up to fir s t hole and in ­
stall new co tter pin. Nut should not be tight enough
to r e s tr ic t m ovem ent o f re la y le v e r . In sert c le v is
pin through holes in con trol le v e r and link and secure
with new cotter pin.
F i g .
7 1 — H y d ra u lic B rake Tube F la rin g Tool
HYDRAULIC BRAKE LINES A N D TUBING
H ydraulic Brake Hose
These hoses requ ire no s e r v ic e other than p eriod ic
inspection fo r damage fro m road hazards o r other like
sou rces. Should damage occu r and replacem ent becom e
n ecessa ry, the follow in g p rocedu re is to be follow ed.
Removal
1. Separate hose fro m steel line by turning double fla r e
connector out o f hose fitting.
2. Rem ove
“ XJ”
shaped retained spring fro m hose f it ­
ting and withdraw hose fro m support bracket.
3. Turn hose fittin g out o f w heel cylin d er inlet o r
junction block.
Installation (Fig. 70 )
1. If hose is to be in stalled in wheel cylin d er,
a. Install new copper gasket on cylin d er end o f hose
(m ale end).
b. M oisten threads with brake fluid and in stall hose
in wheel cylin d er inlet.
2. F o r junction block installations.
a. M oisten threads on m ale end with brake fluid.
b. Turn male end into junction block and tighten
secu rely.
3. With weight o f veh icle on wheels and suspension in
norm al position (fron t w heels straigh t ahead) pass
fem ale end o f hose through support bracket, allow ing
hose to seek its own position. In sert hex o f hose
fitting into the 12 point hole in support bracket in
position which induces lea st tw ist to hose.
NOTE: Do not tw ist hose unduly during this
operation as its natural curvature is absolutely
n e c e s s a r y
to m a i n t a i n p ro p er h o se-to -
suspension clearan ce through fu ll m ovem ent of
the suspension and steerin g parts.
4. Install “ V ” shaped reta in er spring to secu re hose in
support bracket.
5. Inspect by rem oving weight com p letely fro m wheel.
If working at fron t w heels, turn steerin g geom etry
fro m lock to lock while ob servin g hose position. Be
sure that hose does not touch other p arts at any tim e
during suspension o r geom etry tra v e l. If contact
does occu r, rem ove hose reta in er spring and rotate
the fem ale hose end in the support bracket one o r
F ig . 7 2 —S in g le and D oub le Lap F la re
CHEVROLET TRUCK SERVICE MANUAL