Yale A7S1 User Manual

Troubleshoot Wheel Brake
Problem Cause Solution
Brake Spongy
Fluid leak in brake system Repair
Clearance of brake shoes not properly adjusted Adjust adjuster gear
Brake too hot Check if skidding exists
Poor contact between brake drum and brake shoe Adjust brake adjuster
Contamination on brake shoe
Repair or replace brake
shoe
Contamination in brake fluid Inspect brake fluid
Brake pedal (inching valve) improperly adjusted Adjust brake pedal
Brake Noise
Surface of brake shoes hardened or dirty
Repair or replace brake
shoes
Bottom plate distorted or bolt loosened Repair or replace plate
Brake shoes distorted or installation incorrect
Repair or replace brake
shoes
Brake shoes worn
Repair or replace brake
shoes
Loose wheel bearing Repair or replace
Brake Drum or Brake Shoe
surfaces damaged or
distorted
Brake fluid on brake shoes
Repair or replace brake
shoe
Clearance of brake shoes not properly adjusted Adjust brake adjuster
Wheel cylinder failure Repair or replace
Brake shoe return spring damaged Replace
Brake drum failure
Repair or replace brake
drum
Braking Pressure Low
Fluid leak with brake system Repair leak
Clearance of brake shoes not properly adjusted Adjust brake adjuster
Air in brake system Bleed air
Adjustment of brake pedal incorrect Readjust
Brake System 8000 YRM 2199
40

Yale A7S1 Specifications

General

Brand	Yale
Model	A7S1
Category	Forklifts
Language	English