STEP 12
(Power Unit Hook Up)
1. Have a certified electrician run the power supply to
motor. Refer to the data plate found on the motor for
proper power supply and wire size.
RISK OF EXPLOSION!
This equipment has internal arcing or parts that may
spark and should not be exposed to flammable vapors.
Motor should not be located in a recessed area or
below floor level. NEVER expose motor to rain or other
damp environments. DAMAGE TO MOTOR CAUSED BY
WATER IS NOT COVERED UNDER WARRANTY.
IMPORTANT NOTE:
CAUTION Never operate the motor on line voltage
less than 208V. Motor damage may occur which is not
covered under warranty. Have a certified electrician run
appropriate power supply to motor. Size wire for 25amp
circuit. See Motor Operating Data Table.
IMPORTANT: Use separate circuit for each power unit.
Protect each circuit with time delay fuse or circuit
breaker. For single phase 208-230V, use 25 amp fuse.
All wiring must comply with NEC and all local electrical
codes.
Fig. 12.1
Wiring Schematic
STEP 13
(Lift Start Up / Final Adjustments)
1.
Make sure the Power Unit reservoir is full with 12
quarts of 10-WT hydraulic oil or Dexron-III automatic
transmission fluid.
2.
Spray the inside of the Columns where the Slide
Blocks glide with a light lubricant or WD-40.
3.
Test the Power Unit by pressing the push-button
switch. If the motor sounds like it is operating properly,
raise the lift and check all Hose connections for leaks. If
the motor gets hot or sounds peculiar, stop and check
all electrical connections.
4.
Before proceeding, double-check to make sure all
cables are properly positioned within the grooves of ALL
Sheaves. Make sure all Cable Sheave retaining Pins
and/or Clips are secure.
5.
Check to make sure that all Slack Safety Locks are
cleared and free. (See Fig. 13.1)
6.
Continue pressing the raise button until the Cables
get taught and the lift starts to move.
7.
Raise lift until the lift stops then lower until the safe-
ties begin to engage the top locking position. Adjust each
ladder so that each topmost window rests on the safety
lock. Then adjust each Cable Nut so that each safety
lock is at least ONE INCH above the Top Lock Position.
The Cable Nuts MUST be tightened until there is at least
one inch of threads protruding through the nut.
All cable nuts MUST be tightened on each end until there
is at least one inch of threads protruding through the nut.
Failure to do so could result in serious injury or death.
Fig 13.1
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