Equalizer Systems El Pac 1 Istruzioni operative
(800) 846-9659
www.equalizersystems.com
Operation,
Troubleshooting
&
Warranty Manual
Effective-2011
Revision- February 2021
EQ008R3
EL-PAC 1 & 2
Warning: Read entire instructions and all precautions prior to
installing, using or troubleshooting this equipment.
CONTENTS
General Notes for El Pac 1 & 2…………………………………...1
Installation of El Pac 1 on Single Speed Bulldog,
Fulton, and Ram Jacks…………………………………….2
Installation of El Pac 1 on Single Speed Fulton Jacks…………….3
Installation of El Pac1 on Two Speed Bulldog Jacks
with 4” x 4” Gear Reduction Box…………………………4
Installation of El Pac 2 on Binkley Two Speed Jacks
Driver’s Side………………………………………………6
Installation of El Pac 2 on Binkley Two Speed Jacks
Passenger’s Side…………………………………………..9
Power Supply and Switchgear Connections
for El Pac 1 & 2………………………………………….10
Basic Troubleshooting……………..…………………………….12
Parts List……………………...…………………….……………12
Warranty…………………………………………………………13
General notes for El Pac 1 and El Pac 2 Electric Lifting Systems
The recommended maximum floor lengths are guidelines. However, the
installer must use judgment based on each individual trailer. Items to
consider: aluminum or steel construction; width of trailer; length of
living quarter; materials used in the living quarter (hardwood floors,
solid surface countertops, etc.); water and holding tanks; tool boxes;
tack; etc. If the trailer is on the edge of our length recommendation
below, please weigh the trailer. The tongue weight of the trailer must be
less than the maximum lift capacity of the product.
Questions? Call Equalizer Systems at (800) 846 9659 for technical
assistance.
The El Pac 1 gearbox has a specific gear ratio and a maximum lifting
capacity of 5,000 lbs. It is recommended that the length of the trailer
should be not greater than 28 feet of floor length.
The El Pac 1 must be installed on a Bulldog (Cequent) Single Speed
jackleg, Fulton Single Speed jackleg (this leg should have a stamp or
decal that says “gear driven adaptable”), Ram Single Speed jackleg, or 2-
Speed Bulldog jacklegs. The El Pac1 is not compatible with any other
jackleg.
----------------------------------------------------------------------------------------
The El Pac 2 gearbox has a specific gear ratio and a maximum lifting
capacity of 6,500 lbs. It is recommended that the length of the trailer
should be no greater than 32 feet of floor length.
The El Pac 2 must be installed on Binkley 2-speed jacklegs. The El Pac
2 is not approved for use with any other jackleg.
AVOID HEADACHES
You must determine the manufacturer of the jackleg installed on
your trailer prior to installing the El Pac to ensure it is the correct
model for your application. Please note that decals or stickers alone
are often insufficient to determine the OEM of your jacklegs(s).
1
INSTALLATION of EL PAC 1
(Single Speed Bulldog, Fulton, and Ram Jacks)
The El Pac 1 must be installed on the Bulldog Single Speed jackleg,
Fulton Single Speed jackleg, or the Ram Single Speed jackleg (the
Fulton and Ram legs should have a stamp or decal that says “gear driven
adaptable”). Any other single speed jackleg is NOT compatible with the
El Pac 1.
Once again, the El Pac 1 is designed to mount on either side of the jack
leg; however, the preferred mounting would be on the passenger side of
the jack leg if space permits. This enables you to leave the factory crank
rod in place as a manual back-up. When using the manual crank as a
back up, it is recommended to remove the wires from the gear box prior
to hand cranking. This will allow easier cranking of the jack. If mounting
on the driver’s side of the trailer, the factory crank and handle attaches to
the El Pac 1 override output shaft. When attaching your factory crank
shaft to the override output shaft, use the supplied nylon bushing (part #
1961E). When properly mounted on the passenger side of the jack leg,
this unit has a maximum lifting capacity of 5000 lbs of jack weight.
Warning: Remove the factory crank handle from the end of the
crank rod. Damage may occur to the trailer or persons if the handle
is left in place.
Installation of El Pac 1 on Bulldog and Ram
1. Decide which side of the jack leg the El Pac 1 will mount. This
unit requires 7” of width clearance from the jack leg.
2. Cut off the jack shaft so that 1 1/8” of the shaft remains on the
jack leg. Measure this from the outer edge of the bushing/boss.
3. Attach the El Pac 1 to the bracket using the (4) supplied ¼” X
¾” bolts and lock washer. Slide the El Pac 1 over jack shaft.
4. Ensuring that the gear box is straight and level with the jack
shaft, securely weld the El Pac 1 bracket in place on the front of
the jackleg (as shown in picture on page 3).
2
5. Drill a hole through the jack shaft using the output shaft of the El
Pac 1 as a guide. Use the supplied 5/16” x 2” bolt and nylock nut
to secure the output shaft to the jack shaft.
6. Mount the switchgear in desired location.
7. Refer to the Power Supply and Switchgear installation
instructions.
Installation of El Pac 1 on Fulton
Installation of the El Pac 1 on a Fulton jack is done the same way as the
Bulldog and Ram jacks with one exception. The Fulton jack has a
smaller shaft than the Bulldog and Ram jacks. To take care of this, you
use the supplied nylon bushing (part # 1961E) around the shaft prior to
sliding the El Pac 1 in place.
Dual Leg Application-The El Pac 1 must be installed on the passenger
side of the passenger side jack leg in a dual leg application. When
properly mounted, this unit has a maximum lifting capacity of 5000 lbs.
of combined jack weight. Due to the additional linkage required to add a
second jack, and the possible misalignment of the jacks, you could
experience a loss of lifting capacity in the 10% range.
3
INSTALLATION of EL PAC 1
(Two Speed Bulldog Jacks with 4” x 4” Gear Reduction Box)
Single Leg Application-The El Pac 1 must be installed on the passenger
side of a single Bulldog two-speed jack with the 4” x 4” gear reduction
box. This enables utilization of the existing crank shaft and handle as a
manual override. When using the manual crank as a back up, it is
recommended to remove the wires from the gear box prior to hand
cranking. This will allow easier cranking of the jack. The Bulldog two-
speed jack leg must be in the high (hard to turn) gear prior to installation
of the El Pac 1. When properly mounted, this unit has maximum lifting
capacity of 5000 lbs. of jack weight.
Dual Leg Application-The El Pac 1 must be installed on the passenger
side of the passenger side jack leg with Bulldog two-speed jacks with the
4” x 4” gear reduction box in a dual leg application. When properly
mounted, this unit has a maximum lifting capacity of 5000 lbs. of
combined jack weight. Due to the additional linkage required to add a
second jack, and the possible misalignment of the jacks, you could
experience a loss of lifting capacity in the 10% range.
Warning: Remove the factory crank handle from the end of the
crank rod. Damage may occur to the trailer or persons if the handle
is left in place.
Failure to follow the above directives will void your warranty.
Installation
Again, you must leave the jack leg in the high (hard to turn) gear. Do
not utilize the first speed. Failure to have the jack leg in the high
gear will void warranty.
1. The El Pac 1 must be installed on the passenger side of the
Bulldog two-speed jack with the 4” x 4” gear reduction box. See
the drawings on page 5. This unit requires 6” of width clearance
from the jack leg.
2. Cut jack shaft (if needed) so that 1 1/8” of the shaft remains from
the end of the shaft to the jack body.
4
3. Attach the El Pac 1 to the bracket using the (4) supplied ¼” x ¾”
bolts and lock washers.
4. Slide the El Pac 1 gearbox over the shaft. Align the bracket
correctly (square to the jackleg and centered on the shaft).
5. Securely weld the bracket onto the front of the jack to hold the
bracket in place.
6. Drill a hole through the jack shaft using the output shaft of the El
Pac 1 as a guide. Use the supplied 5/16” x 2” bolt and nylock nut
to secure the output shaft to the jack shaft.
7. Mount switchgear in the desired location.
8. Refer to the Power Supply and Switchgear installation
instructions.
Two-Speed Bulldog Jacks with 4” x 4” Gear Reduction Box
5
INSTALLATION of EL PAC 2
(Binkley Two-Speed Jacks)
The El Pac 2 is designed to mount on either side of the Binkley 2-speed
jack leg. The suggested mounting style is on the driver’s side of the
existing jack leg. This will allow the factory crank and handle to attach to
the El Pac 2 override output shaft. When using the manual crank as a
back up, it is recommended to remove the wires from the gear box prior
to hand cranking. This will allow easier cranking of the jack. When
attaching your factory crank shaft to the override out put shaft, use the
supplied bushing (part # 1961E). The El Pac 2 has a maximum lifting
capacity of 6,500 lbs. of front jack weight. In 2011 the Binkley jack gear
box was changed by the manufacturer. The older jacks are identified by a
1 ½” diameter x 1” long collar on the gear box around the input shaft.
The newer version does not have this collar. The installation is slightly
different between the two versions. Please look at the illustrations for
each version to determine which you have.
Warning: Remove the factory crank handle from the end of the
crank rod. Damage may occur to the trailer or persons if the handle
is left in place.
Installation on Driver’s Side of Jack Leg (older style Binkley)
1. Decide which side of the jack leg the El Pac 2 will mount. This
unit requires 7” of width clearance from the Binkley gearbox for
mounting.
2. Pull jack input shaft out into low (easy to turn) gear. Cut jack
input shaft (if needed) so that 1 1/8” of the shaft remains.
3. Slide the mounting bracket over the shaft boss and tap into place.
Secure the setscrews. It may be necessary to tack weld the
bracket in place to keep the bracket from rotating on the Binkley
gear box during operation.
4. Slide the El Pac 2 gearbox onto the shaft.
5. Attach the El Pac 2 to the bracket using the (4) supplied ¼” x ¾”
bolts and lock washers.
6
6. Drill a hole through the jack shaft using the output shaft of the El
Pac 2 as a guide. Use the supplied 5/16” x 2” bolt and nylock nut
to secure the output shaft to the jack shaft.
7. Mount Switchgear in desired location.
8. Refer to the Power Supply and Switchgear installation
instructions.
Older Binkley Two-Speed Jacks-Driver’s side installation
7
Installation on Driver’s Side of Jack Leg (newer style Binkley)
For the most part installation of the El Pac 2 on the newer style Binkley
jack is the same with the following exceptions.
1. Since there is no collar around the input shaft of the newer
Binkley 2-speed jack, after you pull the input shaft out into low
gear, you must measure 2” away from the gear case and cut the
shaft off.
2. On the newer Binkley 2-speed jack, the El Pac 2 mounting
bracket must be welded to the gear case since there is no collar
to bolt to. After the bracket is bolted to the El Pac 2 slide it over
the input shaft, make sure that everything is perfectly aligned
and then weld the bracket to the gear case.
Newer Binkley Two-Speed Jacks-Driver’s side installation
Dual Leg Application-The El Pac 2 can be used in a dual leg
application. When properly mounted, this unit has a maximum lifting
capacity of 6500 lbs. of combined jack weight. Due to the additional
linkage required to add a second jack, and the possible misalignment of
the jacks, you could experience a loss of lifting capacity in the 10%
range.
8
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