BENDIX BW1602 Slack adjusters should, Not be manually, Adjusted in an effort, Push rod stroke

SYMPTOMS

CAUSE

REMEDY

1. Brake Actuator stroke is

A.

Loose actuator push rod

A. Reposition components and torque to

too long.

jam nut.

specification.

WARNING: Automatic

B.

Excessive clearance

B. Replace damaged or worn parts.

slack adjusters should

between adapter/

not be manually

adapter bushing and

adjusted in an effort

yoke due to wear.

to correct excessive

C.

Excessive clearance

C. Replace worn parts.

push rod stroke,

between components:

because this condition

yoke pin—yoke

indicates that a

link pin—link

problem exists with

the automatic adjuster,

yoke pin—body.

with the installation of

the adjuster, or with

D.

Damaged (worn)

D. Replace damaged parts.

related foundation

splines on slack or

brake components,

camshaft.

which manual

E.

Weak or broken brake

E. Replace weak or broken springs.

adjustment will not fix.

actuator return springs.

Weak or broken brake

shoe return spring.

F.

Worn or broken

F. Repair or replace as required per In Service

foundation brake

Inspection.

components, including

camshaft bushings,

brake chamber bracket,

etc.

G.

ASA‑5® adjuster

G. Lubricate, test adjuster mechanism, conduct

mechanism not

in service inspection, repair components as

functioning.

necessary, replace.

H.

Brake drum—worn,

H. Replace or repair as required.

excessively machined,

bell‑mouthed,

excessive­ thermal

expansion.

I.

Damaged ASA‑5® slack

I.

Replace component(s) or slack adjuster.

adjuster.

J.

ASA‑5® slack adjuster

J.

Correct installation position.

improperly installed.