T61741
Revision:
22
STENHØJ MAJOR
TROUBLE SHOOTING CHART
In case of breakdown check the following points:
1. Electricity
cut
2. Main
fuses
3. Motor
starter
4. Electric
motor
5. Cable
fracture
6. Obstruction under lift
If these points are found in order but the lift is still not working, the safety system has probably been
activated, and the lift must not be started or repaired by unqualified staff. Contact the nearest authorized
service shop.
Do not start repairing the lift until the main switch has been cut off.
Do not disconnect the safety system and do not operate the lift after breakdown and prior to repair.
SYMPTOM CAUSE
REMEDY
A. Platforms no longer
horizontal when
hanging in cables
under load (approx.
1000 kg, 2200 lbs)
One or several cables
stretched
Adjust cables (see page 20)
B. Platforms no longer
horizontal when res-
ting on the ratchets
Incorrect adjustment
Adjust platforms and cross beams until they are horizontal.
Slacken nut under top plate for rail. Raise or lower ratchet
rails as required by means of adjustment bolts in top of
posts. After adjustment tighten lock nut under top plate for
rail. Ratchet rails should preferably be adjusted to lowest
possible position.
C. Activation of control
to lower lift from
topmost position
does not release
ratchets
One or more of the
cables have stretched
Adjust cables (see page 20).
D. Ratchets are not
released regardless
of parking height
Air source failure
Cure fault
Incorrect air pressure
Cure fault (min. 7 bar - max. 10 bar)
Platforms are not lifted
free from ratchet rails
Raise lift a little and lower.
One ratchet binding
Let an assistant operate UP-button so that lift ascends in
small jerks. Meanwhile pull ratchet free manually. Use pliers
or grips.
Defective solenoid
valve
Replace solenoid valve
E. Ratchets fail to
activate
Air system blocked
Strip and clean air system
F. Oil leakage
High pressure hose
defective
Replace hose
Leaks at fittings
Tighten
Cylinder seals defective
Replace or renovate cylinder
Содержание MAJOR 7000
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