Chevrolet 2000 C-Series, Owner'S Manual

Page: 294 / 315

7-24
(38) = Front axle service: Re
-
pack upper kingpin
roller bearing.
(39) = Air brake service:
D Inspect brake lines and hoses for proper hook
-
up,
binding, leaks, cracks, chafing, etc. Inspect drum
brake linings for wear or cracks. Inspect other
brake parts at each wheel, including drums, wheel
cylinders and piston heat shields and boots.
Check brake pedal for excessive free play or travel
(or every 6 months, whichever occurs first) and
have serviced if needed. Check brakes more
often if driving habits and conditions result in
frequent braking.
D Test air lines for leaks; tighten as needed.
Replace compressor filter.
D Inspect air parking brake chamber for leaks
and damage. Inspect lines and hoses for leaks,
cracks, chafing, etc. Also check all attachments
for tightness, wear or damage. Note: The spring
brake section of the rear brake diaphragms are
non
-
serviceable.
D Replace the air compressor filter element, mounted
on the air compressor. For remote air compressor
intake service, refer to air cleaner filter replacement.
(40) = Clean and lubricate air brake automatic slack
adjuster. Check pushrod travel and auto adjustment
operation. Have serviced if needed.
(41) = Air brake chamber service: Check operation,
mounting, clamps and air lines and check for leaks.
(42) = Trailer brake hand control valve service:
Check operation; lubricate cam and follower.
(44) = Air brake service: Remove, disassemble, clean
and inspect the safety valve, standard brake chamber,
quick release valve, quick release/double check valve
combination, parking brake control valve, double check
valve, pressure protection valve and alcohol injector.
Remove, disassemble and clean the application valve;
replace parts showing wear. Remove, disassemble,
clean and inspect the spring brake control valve;
replace rubber parts.