TrailMax TRD-54-T - Brake Drum Troubleshooting Chart (Continued)

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page 26
TRD-54-T (22.5)
FINE GROOVES
ABRASIVE FOREIGN
MATERIAL OR POOR
QUALITY BRAKE LINING
LOOSE RIVETS OR BOLTS
OR FOREIGN MATERIAL
IN RIVET HOLES
MACHINE OR REPLACE
BRAKE DRUM AND
REPLACE LINING
MACHINE OR REPLACE
BRAKE DRUM. USE RIVET
HOLE PLUGS.
REPLACE
MISHANDLING
REPLACE. CLEAN HUB
BEFORE INSTALLATION.
INSTALLATION ON
DIRTY HUB
OUT OF ROUND:
BALANCE
GROOVES ALONG EDGES
OF LINING
ABRASIVE MATERIAL
COLLECTING ALONG
EDGES OF LINING
DUST SHIELD MAY CAUSE
OR CURE THIS. MACHINE
BRAKE DRUM.
REPLACE. SPECIFY
BALANCED DRUM WHEN
ORDERING REPLACEMENT
CRACK BETWEEN PILOT
HOLE AND BOLT HOLE
WHEEL HITTING
BRAKE DRUM
INSTALLATION ON
DIRTY HUB
MOUNTING FLANGE SEPARATED
FROM HOOP SECTION OF DRUM
REPLACE DRUM. CLEAN
THE HUB PRIOR TO
INSTALLING NEW DRUM.
INCORRECT APPLICATION.
REPLACE BRAKE DRUM
WITH CORRECT PART.
HEAT SPOTTED OR HARD
SPOTS IN BRAKE SURFACE
HIGH LOCALIZED
HEATING AND COOLING
CYCLES
GRIND HARD SPOT
AND MACHINE DRUM
BALANCE WEIGHT
FALLEN OFF OR NOT A
BALANCED DRUM
OUT OF ROUND:
CONCENTRICITY
MACHINE OR REPLACE.
CHECK FOR CORRECT FIT
& CLEARANCE TO WHEEL.
IMPROPER FIT TO PILOT
OR IMPROPER SEATING
ON WHEEL OR HUB
EXCESSIVE WEAR
ABRASIVE FOREIGN
MATERIAL OR POOR
QUALITY BRAKE LINING
MACHINE OR REPLACE
OUT OF ROUND: VARIATION
IN DIAMETER
MACHINE OR REPLACEHEAT DISTORTION
PROBLEM REMEDYCAUSE
Brake Drum Troubleshooting Chart (continued)
Maintenance