UniCarriers FG20 Series Operation & Maintenance Manual page 135

BRAKE SYSTEM
Checking
item
Check for play.
Check for pedal height and returning.
Check for braking or uneven braking.
Brake pedal
Check for the entrance of air into braking piping.
Check booster for proper function and oil leaks
(trucks with power brake).
Check for proper operation and allowance.
Parking
brake lever
Check for braking effect.
Check for proper operation.
Rod, cable
Check for loose linkage.
Check for damage, leaks or interference.
Hose and
pipe
Check for loose connections or clamp.
Check for fluid leaks (oil leaks for trucks with
power brake).
Check fluid level.
Wheel
Check master cylinder and wheel cylinder for
brake
proper operation. Check them for oil leaks or
damage.
Check master cylinder, piston cup and check
valve for wear or damage, and replace if
needed.
Check brake drum for loose installation.
Check lining for wear.
Check brake shoe for operation.
Brake drum
and brake
Check anchor pin for corrosion.
shoe
Check return spring for deterioration.
Check automatic clearance adjuster for
operation.
Check drum for wear or damage.
Check for deformation or cracks.
Back plate
Check loose installation.
PERIODIC INSPECTION
Service Required
Monthly
Tools Daily
(200 hrs)
Scale
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Scale
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Operate
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Operate
Operate
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Operate
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Operate
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Operate
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Touch
Visual
Touch
Visual
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Visual
○
Operate
○
Disassembly
Test
hammer
Vernier
calipers
Operate
Visual
Scale
Operate
Visual
Visual
Test
hammer
4-44
Trimonthly Semiannually
(600 hrs) (1200 hrs)
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Annually
(2400 hrs)
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