Toubleshooting; Hand And Foot Brake Common Faults And Troubleshooting - EKKO EK20R Manual

approve the changes, nameplates, labels and markings of Operation and
Maintenance Manual must be modified as well

11.1Hand and foot brake common faults and troubleshooting

Fault
Poor braking
Brake uneven
Brake noise
Other bad brakes
11、Service Manual
Cause
1、Improper brake pedal
position
2、Brake system oil leakage
3、Air is mixed in the brake
system
4、Brake shoe clearance is
not adjusted
5、Deformation, damage or
excessive wear of the pump
sub-pump
6、There is oil on the surface
of the brake drum hole
1、Oil on the surface of the
friction plate
2、Brake drum hole
deviation, Large hole with
different center
3、Brake shoe clearance is
not adjusted
4、Brake shoe return spring
damage
5、Sub-pump failure
6、Self-regulating
mechanism failure
1、he friction plate is
hardened or has impurities
2、Bottom plate deformation
or loose bolts
3、 Brake shoe is deformed or
incorrectly installed
4、Friction plate excessive
wear
5、Loose hub shaft
1、Brake overheating
Troubleshooting
Adjust it
Overhaul or replace
exhaust
Adjust it
Check the cause of the
damage and replace it
Clean it
Clean and replace it
Large holes ensure
roundness and concentricity
Adjust it
replace it
Adjust or replace it
Reset spring deformation,
repair, replacement
replace it
Repair it
Replace or repair
replace it
replace it
Check if it is slippery
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