Specifications

49
5.6 Troubleshoot
Problem
Probable cause
Remedy
Poor
braking
1.Fluid leaks from brake system
Repair
2.Maladjustment of brake shoe clearance
Adjust the adjuster
3.Brake overheating
Check for dragging
4.Poor contact between brake drum and friction
piece
Readjust
5.Foreign matter adhered on friction piece
Repair or replace
6.Foreign matter mixed in brake fluid
Check brake fluid
7.Maladjustment of brake pedal (inching valve)
Adjust
Noisy
brake
1.Hardened friction piece surface or foreign
matter adhered on it
Repair or replace
2.Deformed backing plate or loose bolts
Repair or replace
3.Deformed shoe or incorrect installation
Repair or replace
4.Worn friction piece
Replace
5.Loose wheel bearing
Repair
Uneven
braking
1.Oil-contaminated friction piece
Repair or replace
2.Maladjustment of brake shoe clearance
Adjust the adjuster
3.Malfunction operating cylinder
Repair or replace
4.Return spring of brake shoe deteriorated
Replace
5.Deflected drum
Repair or replace
Soft
braking
1.Brake fluid leaks from system
Repair or replace
2.Maladjustment of brake shoe clearance
Adjust the adjuster
3.Air mixed in brake system
Bleed air
4.Maladjustment of brake pedal
Readjust