checked using a high powered flashlight.
•
Twisted and crossed hoisting cables
•
Power cord tangled with hoisting cables
If nothing is found or it is not easily correctable, call
Holophane at (740) 345-9631 and ask for the Field
Service Department.
3.1 Portable Drive Motor Set Up and Adjustment for
Operation
3.1.1
Remove handhole covers.
3.1.2
Turn off the circuit breaker.
WARNING
Do not break and make the circuit using the plug and
connector. Use the circuit breaker. Failure to do so
may result in electrical shock.
3.1.3
Disconnect the circuit breaker cord from the main
power cord and connect it to the plug on the portable
drive motor or transformer as required.
3.1.4
Turn on the circuit breaker. Unwind enough
winch cable to attach the winch cable hook to the U-
shaped bail of the clevis. If required, swing down the
fold-down legs on the power unit and latch them in
place.
3.1.5
Disconnect the safety cable and attach the winch
cable to the U-shaped bail of the clevis through the
bottom handhole. When the safety cable is discon-
nected bring it out through the top handhole to avoid
tangling with the winch cable.
WARNING
Proceed carefully with the following steps. The LD ring
and its load are now supported by the device’s latches.
Do not unlatch the device until the power unit is se-
curely installed in the pole.
3.1.6
The power unit can now be used to pull itself into
the lower handhole. Rotate the drum switch to the
“FOR” position. The tongue of the power unit will be
pulled toward the bottom handhole. Lock the portable
drive motor in position with the hook and hand knob.
(See Fig. 22).
H O L O P H A N E
High Mast
Lowering Devices
SECTION III
OPERATING INSTRUCTIONS
EVERY PERSON WHO INTENDS TO OPERATE THE LOWERING DEVICE SHOULD READ COMPLETELY
AND UNDERSTAND FULLY THESE INSTRUCTIONS BEFORE OPERATING THE DEVICE.
3.0 General Comments
3.0.1
The portable drive motor is provided with a twenty
foot long remote control cord and switch. This permits
the operator to stand a safe distance from the pole while
operating the device.
WARNING
Operate the lowering device only while standing at the
maximum distance from the pole allowed by the twenty
foot long remote control cord. Failure to follow this
procedure may result in injury or death.
3.0.2
The Holophane portable drive motor is supplied
with two built-in safety features which are incorporated
to prevent excessive torque from being applied to the
winch input shaft. These are:
a.
a factory-set torque limiting clutch,
b.
a shear pin which breaks below a predetermined
torque limit, higher than the torque limiting clutch
setting.
These two torque limiting features are for the protection
of both equipment and operating personnel.
WARNING
Do not expose the torque limiter or shear pin to damag-
ing elements or mistreatment such as sand, mud, salt
spray or other conditions which could render either
safety mechanism inoperable. Do not attempt to adjust
the torque limiting clutch or replace the shear pin. If
repairs are necessary, replace damaged equipment
with replacement components from Holophane. Failure
to follow these warnings may result in injury or death.
3.0.3
If the shear pin breaks, call Holophane at (740)
345-9631 and ask for the Field Service Department.
(See Paragraph 4.3 for the torque limiter assembly
replacement)
3.0.4
If the torque limiter releases before the mounting
ring reaches the top of the pole, this is an indication
that either there is something causing the lowering
device to require an abnormally high lift force to operate
or that the clutch is releasing at an abnormally low
torque level. Carefully try to determine if there is
something wrong with the lowering device that is
causing an abnormally high input torque requirement. A
couple of possible problems are as follows and can be
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