130
Fault
Cause
Action
Pressure of the brake
barometer growing
slowly
Pipe connector's loose
Tighten the connector
Air compressor working abnormally
Inspect the condition of air compressor
Oil outlet plug screw of separator of oil and
water not being closed tightly
Close it tightly again
Air inlet of brake valve or eardrum without seal
Inspect and clean the internal brake valve
and find out the causes
Air outlet orifice of pressure controller plug or
check valve and eardrum leakage
Clean air outlet orifice, inspect check valve
and the causes resulting eardrum not sealing
not except
Replace the drier of the whole machine
Brake fails
No or few liquid in booster pump oil cup
Fill oil cup of booster pump with oil
Oil inlet valve and hydraulic washer wear
Replace oil inlet valve, hydraulic washer
Piston blocked
Replace the whole components
Brake slack
Not exhausting air in the hydraulic pipe line
completely
Release air in the hydraulic pipe line
Consumable parts wear
Replace consumable parts
Oil leakage of brake
system
Oil leakage at the connector between end
cover and hydraulic cylinder body
Replace consumable parts
Oil leakage of center seal ring
Leakage at the connector between oil cup and
end cover
Inspect whether the oil cup assembly
tightened or not or replace consumable parts
