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H – FAULTS: CAUSES AND
REMEDIES
H2 - HYDRAULIC SYSTEM
FAULT
UNSUITABLE HYDRAULIC OIL
HYDRAULIC PIPES CLOGGED
HYDRAULIC FILTER CLOGGED
HYDRAULIC PUMPS DAMAGED
HIGH HYDRAULIC
MAX. PRESSURE VALVES FAULTY
OIL TEMPERATURE
HYDRAULIC OIL LEVEL LOW
FOAMY OIL, POSSIBLE AIR INFILTRATION
HYDRAULIC OIL DIRTY
MANOEUVRES NOT CONFORM WITH MACHINE USE
HYDRAULIC OIL OVERHEATING
SLOW MOVEMENT
INCORRECT HYDRAULIC OIL
OF
HYDRAULICALLY
HYDRAULIC PUMPS DAMAGED
CONTROLLED
PARTS (insufficient
IRREGULAR FUNCTIONING OF HYDROSTATIC MOTORS
performance)
VALVE DECALIBRATION
Pag. 222
CAUSE
REMEDY
USE RECOMMENDED OIL ONLY
CALL AN AUTHORISED WORKSHOP
REPLACE
CHECK, CALL AN AUTHORISED WORKSHOP
CHECK, AND REPLACE IF NECESSARY
CHECK AND TOP UP IF NECESSARY
REMOVE THROUGH PUMP SUCTION
CHECK AND REPLACE IF NECESSARY
USE THE MACHINE LINEARLY WITHOUT FORCING THE
CONTROLS (IN PARTICULAR WITH CYLlNDERS AT END
OF TRAVEL
COOL FOR THE APPROPRIATE TIME
CHECK, USE RECOMMENDED OIL ONLY
CHECK WITH AUTHORISED WORKSHOP
CHECK WITH AUTHORISED WORKSHOP
INSPECT AND IF NECESSARY CALL AN AUTHORISED
WORKSHOP
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