6-12 Troubleshooting
022-00028AE Operation and Maintenance Manual
BRAKING
ELECTRICAL SYSTEM
Problem
Cause
Remedy
Reduced brake action.
Low secondary pressure in brake
valve.
Repair or replace brake
valve.
Worn brake discs.
Replace brake discs.
Damaged brake discs.
Replace brake discs.
Damaged brake valve block.
Replace valve.
Air in brake hydraulics due to leak in
brake hose.
Repair leak, bleed system.
After bleeding brakes, brakes
are not fully released.
Damaged brake discs.
Replace discs.
Damaged brake disc return spring.
Replace return springs.
Problem
Cause
Remedy
Battery has no power and will
not accept a charge.
Damaged battery plates.
Replace battery.
Alternator not charging properly.
Repair or replace alternator.
Bad ground.
Clean and tighten.
Loose electrical connector.
Clean and tighten.
Alternator belt loose or damaged.
Tighten or replace.
Battery will accept a charge but
discharges soon after.
Internal battery short.
Replace battery.
Wiring harness short.
Repair wire.