Landoll 425B Series, Operator'S Manual

Page: 82 / 88

5-6 F-543-1011 Edition
TROUBLESHOOTING GUIDE
Brake Drums
For maintenance procedures, refer the following
sections:
• “Suspension Maintenance” on page 4-11
• “Alignment” on page 4-15
• “Brake System Maintenance” on page 4-18
• “Hub and Drum Maintenance” on page 4-25
• “Wheel Bearing Lubrication and Adjustment” on
page 4-27
PROBLEM PROBABLE CAUSE SOLUTION
EXCESSIVE LOSS OF BRAKES OR
FADING Overheated brake drums Check for defective or misadjusted brake
linings, distorted or over-machined
drums. Also check for operating
conditions or loads that create severe
or excessive brake applications.
BRAKES PULL TO EITHER SIDE Drums of different diameters Replace with drums of same diameter.
Foreign matter in drums Clean drums out.
ROUGH OR NOISY BRAKING ACTION Defective drums Pull drums and inspect for any of the
following; Heat spotted drums, grease
spotting, blue drums, scored drums,
excessive wear at rivet holes or edges,
polished drums, out of round drums,
unbalanced drums, worn/damaged
brake components, foreign matter in
drums. Correct situation or replace
defective part(s).
VIBRATION IN RIDE Defective drums or out-of-round Replace drums.
Out-of-balance drums Balance drums.