55
Brake system periodical maintenance schedule
Check
item
Service required
Tools
Daily
(8 hrs)
Monthly
(166hrs)
3months
(500hrs)
Semi-annual
(1000hrs)
Annual
(2000hrs)
Brake
pedal
Idle stroke
Dividing
scale
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Pedal travel
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Operation condition
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Check if there is air in
the brake pipeline
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Parking
brake
control
If brake is safe and
reliable
and
owns
enough travel
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Control performance
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Stick and
dragline
Control performance
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If connection loosen
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Pipeline
Damage,
leakage,
fracture
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Connection,
clamp
part,
looseness
condition
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Brake
master
cylinder,
brake
cylinder
Leakage condition
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Check
oil
level,
change oil
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×
×
Master cylinder and
cylinder
action
condition
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Cylinder
leakage,
damage condition
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master cylinder, piston
cup,
check
valve
abrasion
damage
condition, replace
×
Brake
drum and
brake
shoe
If brake drum parts
loosen
Test
hammer
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Friction plate abrasion
condition
Slide
caliper
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Brake
shoe
action
condition
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If fixed pin rusts
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Return spring damage
condition
Dividing
rule
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Check if self-adjusting
device operation time
is proper
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