BendPak HD-12-B, Installation And Operation Manual

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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 prop-
er 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 environ-
ments. DAMAGE TO MOTOR CAUSED BY WATER IS
NOT COVERED UNDER WARRANTY.
STEP 13
( Inspecting The Slack Safety Springs )
The following steps involve the SLACK CABLE SAFETY
DEVICE and MAIN SAFETY. Failure to follow these
steps could result in serious injury or death in the event
of cable failure.
1. Inspect the ends of the SLACK SAFETY LOCK
SPRINGS as shown. Make sure the spring ends are
secure at both ends. DO NOT ATTEMPT TO RAISE THE
LIFT UNTIL THE SLACK SAFETY SPRINGS ARE
ATTACHED AND THE ROLLERS ARE PULLED CLEAR
FROM THE LADDER. (See Fig. 13.1)
STEP 14
( 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.
I MPORTANT 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 25
amp 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.
Three phase 208-240V, use 25 amp fuse. For three
phase 400V and above, use 15 amp fuse. All wiring
must comply with NEC and all local electrical codes.
Fig. 13.1