In some units, where overhead clearance is not restrictive, it may be possible to extract
e screw up out of the top of the mast without removing the stabilizer. This is preferable
ince the stabilizer will not require adjustment later.
crew installation:
ssemble the unit in reverse order to that shown above.
aution:
Treat the screw with care and only remove it
rom its packaging when it is time to install it. Do not
llow the screw to bend by holding it improperly.
hen handling it, support it along its length. The
crew is checked for concentricity before shipping. If
will
required.
•
•
It may be preferable to assemble the Drive Nut and Safety Nut assembly onto the
screw before bringing the screw into place. Remember not to allow the screw to
hang. This will damage it and make it useless.
•
Make sure the pulley is in the proper position before installing the screw. The
pulley has a keyway and key that is retained by a setscrew. Make sure this is
tight.
•
Before fixing the lower bearing screws to the shaft, tighten the lower end nuts
onto the shaft (don’t forget the washers) until it is hand tight. Then make 1 and
1/2 more turns on the nut to leave the screw slightly tensioned.
•
Tighten the screws of the lower bearing collar onto the screw.
apply a small amount of tension to the
below.
th
s
S
A
C
f
a
W
s
it is bent during installation, this will cause vibration,
noise and damage to the lift. A replacement screw
then be
•
•
Make sure the bearings are greased.
•
When tightening the screw retaining nuts,
screw.
•
Apply a generous amount of grease to the entire threads of the screw, not just
the travel area.
•
Check the operation of the safety switch. It must be adjusted as shown
ITEM #05751 Revision B
Garaventa Lift, April 2008
9
