Specifications

63
4.6 Troubleshooting
Problem
Possible cause
Remedy
Poor
braking
force
Fluid leakage from brake system
Repair
Maladjustment of brake shoe clearance
Adjust
Brake overheating
Check for dragging
Poor contact between brake drum and friction
piece
Adjust
Foreign matter adhered on friction piece
Repair or replace
Foreign matter mixed in brake fluid
Replace
Maladjustment of brake pedal
Adjust
Noisy
brake
Hardened friction piece surface or
foreign matter adhered thereto
Repair or replace
Deformed backing plate or loose bolts
Repair or replace
Deformed shoe or incorrect installation
Repair or replace
Worn friction piece
Replace
Loose wheel bearing
Replace
Uneven
braking
Oil-contaminated friction piece
Repair or replace
Malfunction operating cylinder
Repair or replace
Eccentric brake drum
Repair or replace
Maladjustment clearance of friction piece
Adjust
Improper tire pressure
Adjust
Soft or
spongy
brake
Brake fluid leaks from system
Repair
Maladjustment clearance of friction piece
Adjust and repair
Air mixed in brake system
Exhaust air
Maladjustment of brake pedal
Readjust