Chevrolet BEAUVILLE SPORTVAN G10 SERIES, Руководство по обслуживанию

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BRAKES 5-26
8
. Install the fro n t cable to the cross sill spring.
9. L ow er the vehicle to the floor.
CENTER CABLE
Removal
1. Raise vehicle on a hoist.
2. R em ove fro n t cable co n n e ctio n at equalizer.
3. Rem ove cen ter from cable guides and connectors and
rem ove cable.
Installation
Install in reverse order o f rem oval and low er vehicle to the
floor.
C A U T IO N : See "C a u tio n " on Page 1 o f this
section.
REAR CABLE
Removal
1. Raise vehicle on a hoist.
2. Back o ff th e equalizer jam n u t and adjusting n u t u n til
sufficient clearance is o b tain ed to separate the center
cable from th e rear cable (eith er left or right side).
3. Rem ove the rear cable retain er at cross sill.
4. Pull the cable, left or right, o u t o f hole in cross sill.
5. With brake shoes exposed rem ove secondary shoe re­
tainers until sufficient clearance can be obtained to
rem ove the k n obbed end o f the rear cable from the
parking brake lever.
6
. Com press locking fingers (rem ove clam p on 3 0 series)
and w ithdraw the cable from th e backing plate.
Installation
1. Push cable through the backing plate and h o o k the
k n o b b ed end to the parking brake lever.
2. Be sure the locking fingers are “ seated” or the clam p is in
proper position to the backing plate.
3. R oute the cable th ro u g h th e cross sill and install the
retainer.
C A U T IO N : See “ C autio n" on Page 1 o f this
section.
4. Install the cen ter cable to rear cable co n n ecto r. Be sure
cable guides are in place.
C A U T IO N : See "C a u tio n " on Page 1 o f this
section.
5. A djust the parking brake and lower th e vehicle to the
floor.
POWER BRAKES
GENERAL DESCRIPTION
The Power Brake U nit is a self-contained hydraulic and pedal effo rt than is required w ith th e conventional (n onpow er)
vacuum u n it, utilizing m anifold vacuum and atm ospheric hydraulic brake system . The u n it is m o u n te d on th e engine
pressure for its pow er. side o f th e dash panel an d directly co nnected to th e brake
This u n it perm its the use o f a low brake pedal as well as less pedal.
MAINTENANCE AND ADJUSTMENTS
Inspections
1. C heck vacuum line a n d vacuum line connections as well
as vacuum check valve in fro n t shell o f pow er unit for
possible vacuum loss.
2. Inspect all hydraulic lines and connections a t the wheel
cylinders an d m aster cylinder for possible hydraulic
leaks.
3. C heck brake assemblies for scored drum s, grease or brake
fluid on linings, w orn o r glazed linings, and m ake
necessary adjustm ents.
4. C heck brake fluid level in th e hydraulic reservoirs. The
reservoirs should be filled to th e levels show n in Figure
8
.
5. C heck for loose m o u n tin g bolts at m aster cylinder and at
pow er section.
6
. C heck air cleaner filter in pow er piston extension and
replace filter if necessary.
7. Check brake pedal for binding and m isalignm ent betw een
pedal and push rod.
Lubrication
The pow er brake u n it is lubricated a t assem bly an d needs
no fu rth e r lu b ricatio n o th e r than m aintaining norm al reservoir
fluid level. The reservoir should be filled as described in this
section.
Bleeding Inspections
The pow er system may be bled m anually or w ith a pressure
bleeder as o u tlin ed in this section. Use only GM Suprem e 11
Brake F luid or equivalent. D o n o t use the pow er assist while
bleeding. The engine should n o t be running and the vacuum
reserve should be reduced to zero by applying th e brake
several tim es before starting th e bleeding procedure.
C H E V Y V A N S H O P M A N U A L