Document 57.4400.7200 - 1
st
Edition 03/2005
INDEX
5
23
TELELIFT 3713 Elite - 4017 - 4514
TROUBLESHOOTING
The machine does not move
Poor boost pressure
The machine drive is low
No shifting between 1st and 2nd
mechanical gear
No steering selection
Poor action of the parking brake
Drive pump maladjusted
DA valve damaged
Booster pump damaged
Suction filter restricted
Hydraulic motor damaged
Hydraulic oil filter restricted
Low oil level
Hydraulic oil soiled
Pump and motor worn (serious leakage)
Boost pressure low
Mechanical gear selection solenoid valve
ref.
EV5-B-Y8
-
EV6-A-Y9
damaged
Mechanical gear hydraulic actuator
damaged
Gearbox gears damaged
Steering seelction solenoid valve ref.
EV3-B-Y21
-
EV4-A-Y20
damaged
Negative parking brake ref.
P1
damaged
Parking brake hand-control damaged
Re-adjust as per enclosed instructions.
Check and replace, if necessary.
Change the pump.
Change the filter.
Change the motor.
Change the hydraulic oil filter.
Top up.
Clean the tank and the pipes, empty
the pumps and add new oil.
Change pump and motor.
Check the boost pressure.
Check the mechanical movement of the
pin of the solenoid valve and the coil.
Check the efficiency of the actuator.
Check and replace the gears if
necessary.
Check the movement of the pin inside
the solenoid valve and the coil.
Check the brake is in efficient working
order or replace.
Check the parking brake control;
replace if necessary.
Trouble
Cause
Solution
5.4
HYDRAULIC FAULTS
Summary of Contents for TELELIFT 3713 Elite
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