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V 3.03
Install the Electric Jack
1.
Park the trailer on a level surface and block the wheels.
2.
Support the trailer tongue by the frame with jack stands.
3.
If replacing and old jack, remove the old jack from the coupler, saving the washers and bolts.
4.
Insert the electric jack into the jack hole, aligning the bolt holes so the motor housing is
facing forward as shown in fig. 1.
5.
Secure the jack with three (3) grade 5, 3/8 in.-16 UNC bolts and washers. Place the star
washers between the flat washers and mounting plate as shown in Fig. 1. The star washers
are intended to penetrate through the paint on the mounting plate to ensure direct metal-to-
metal contact. Bolts should be tightened to 15 to 20 ft-lb (20.34 to 27.12 N-m).
Tip: The salvaged bolts from the old jack are acceptable for reuse if they are grade 5 and
in good condition.
6.
If a lower support plate is not already present, install on in the bottom of the trailer frame. Do
not operate the jack without a lower support plate.
7.
Install the fuse holder as close as possible to the positive terminal of the power source by
either crimping or soldering the connections.
8.
Connect the jack lead (black) to the reset breaker. Since the jack is internally grounded, a
ground wire is not necessary. Alternatively, wire the jack lead directly to the reset breaker if
available. The reset breaker may be located at the corner of the first cross member of
the A frame.
WARNING! Do Not use a wire smaller than #10 Gauge when using an extension wire.
4
3,500 lb 12V Electric Jack
For technical questions call: 1-800-665-8685
8490427
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