Landoll LT10A Series, Руководство оператора

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TROUBLESHOOTING GUIDE
5-9
SYSTEM OPERATES TOO FAST Engine running too fast Reduce engine speed
OVER HEATING OF OIL IN SYSTEM Oil passing through relief valve for
excessive time Return control valve to neutral when not in
use
Incorrect, low, dirty oil Use recommended oil
(See Table 4-1)
Fill reservoir with clean oil
Replace filter
Engine running too fast Reduce engine speed
Excessive component internal leakage Repair or replace component as
necessary
Restriction in filters or lines Clean and/or replace filter or lines
Insufficient heat radiation Clean dirt and mud from reservoir and
components
Malfunctioning component Repair or replace
FOAMING OF OIL Incorrect, low, or dirty oil Replace, clean or add oil as needed
Water in oil Replace oil
Air leaks Check suction line and component seals
for suction leaks
Replace defective parts
NOISY PUMP Low, incorrect, foamy oil Replace, clean, or add oil as needed
Suction line plugged Clean out obstruction or replace line
Flush system and replace filter
Pump damaged Repair or place
LEAKY PUMP Damaged or worn shaft seal Replace seal and/or shaft and check for
misalignment
Loose or broken parts Tighten or replace
CYLINDERS MOVE WITH CONTROL
VALVE IN NEUTRAL POSITION Leaking cylinder seals or fittings Replace worn seals or fittings
Control valve not centering when released Check linkage for binding and repair
Valve damaged Repair or replace
CONTROL VALVE LEAKS Seals damaged or worn Replace seals or valve
CYLINDER LEAKS Seals worn or damaged Replace seals or cylinder
Rod damaged Replace
Barrel damaged Replace
CYLINDERS DO NOT FUNCTION, OR
CREEP WITH PTO DISENGAGED Leaking fittings or cylinder seals Tighten loose fittings
Replace worn seals or fittings
Counter balance valve or O-ring leak Replace defective component
PROBLEM PROBABLE CAUSE SOLUTION