Kanga PW628, Руководство оператора

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HYDRAULIC PUMP
TROUBLE PROBABLE CAUSE REMEDY
Flow from hydraulic pump
erratic or non existent.
Hydraulic system oil low.
Check oil and replenish as
necessary. Oil level should not
change. Leaks may be present.
Damaged or blocked line.
Remove line and remove any
obstructions or replace line
as necessary.
Worn or chipped pump gears. Replace pump gears as necessary.
Worn or broken drive shaft
or coupling. Inspect drive shaft or coupling.
Repair or replace as necessary.
Hydraulic pump noisy. Air in hydraulic system.
Check suction side or hydraulic
system for defects and repair as
necessary. Ensure no leaks exist in
the suction line.
Hydraulic system oil low. Check oil and replenish as
necessary. Oil level should
not change. Leaks may be
present.
Worn or broken drive shaft or
coupling. Inspect drive shaft or
coupling. Repair or replace as
necessary.
Worn or chipped pump gears. Replace pump gears as
necessary.
Control rod or lever broken or
disconnected. Repair or replace control rod or
lever.
Hydraulic lines incorrectly
connected at Control Valve. Correctly connect line at
Control Valve.
Arm rises and lowers erratically.
Lift Control Valve relief set too low,
allowing oil to return to reservoir. Adjust relief valve to proper
setting.
Hydraulic system oil low.
Check oil and replenish as
necessary. Oil level should not
change. Leaks may be present.
Damaged or blocked line.
Remove line and remove any
obstructions or replace line
as necessary.
Malfunctioning pump.
Repair or replace hydraulic pump
as necessary.
Worn Control Valve spool.
Check pressure delivery from
Control Valve. Repair or replace
valve as required.
Excessive oil leak past lift cylinder
piston seal. Repair or replace cylinder
as necessary.
Arm pivot pin seized or otherwise
damaged. Replace pivot pin and bushing as
necessary. Grease thoroughly.