ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
Check service airhose and lines for obstructions.
Check for binding handbrake cable.
Check for separation of brake lining from brakeshoe.
4. WEAK OR NO BRAKES.
Check fluid level in master cylinder.
Check relay valve for proper operation.
Before performing any maintenance tasks on brake system, disconnect trailer air lines
from towing vehicle and open draincock to release all air pressure from system. Serious
injury may result from failure to do so.
Check airbrake chamber for excessive push rod travel.
Check for worn brake linings.
Inspect wheel cylinders for binding or leaking.