Electric Tongue Jack
1.
Park the trailer on a level surface and block the wheels.
2.
Support the trailer tongue by the frame with the jack stands.
3.
Remove the paint tab
masking one of the three
mounting holes on the
jack. Also, sand paint
from the area around the
mounting holes on the
jack mounting plate (both
top and bottom) and the
corresponding location on the trailer coupler. Lubricate these
bare metal connection points with dielectric grease to ensure
the best ground possible for the jack and to prevent rust.
4.
Insert the electric jack into the jack hole, aligning the bolt
holes so the motor housing is facing forward (Figure 1).
Secure the jack using the mounting bolts and star washers
provided. If mounting holes on the coupler are too large for
the bolts to thread into, use grade 5, 3/8"-16 UNC bolts and
washers. Bolts should be tightened to 15 to 20 ft-lb.
Specifications
n 5000 lb Electric A-Frame Jack
n Maximum Lift Capacity:
5000 lb (continuous use)
n Retracted Height: 31-3/8"
n Vertical Travel: 18"
n Power Requirements: 12V DC
n Outer Tube Diameter: 2-1/4"
n Power Cord Length:
5.57 ft of 10 Gauge Wire
n Foot Pad Diameter: 5-1/2"
n LED Work Lights For Easy
Nighttime Hookups
n Shipping Weight: 28 lb
WARNING: Keep hands, feet, and body out from beneath
the jack and trailer to avoid risk of harm or fatal injury!
Before installation, compare the lift capacity of the
Stromberg tongue jack with your trailer to ensure safe
operation of the jack.
Carton Contents
(1) Removable Foot Pad
(1) 3/8" Safety Lock Pin
(1) Manual Crank Handle
(1) 30 A Spare Fuse
(3) 3/8" Star Washers
(3) Bolts
(1) Wire Butt Connector
(1) Terminal ring
Tools Required
9/16" Wrench
Torque Wrench
Wire Cutters/Strippers
Crimpers OR Soldering Iron
5.
If a lower support plate is not already present, install one
in the bottom of the trailer frame. Do not operate the jack
without a lower support plate – shown in Figure 2.
6.
Connect the fuse holder to the power wire using the
butt connector and terminal ring; crimp or solder the
connections. Place the fuse holder as close as possible to
the positive battery terminal – preferably inside the battery
box. Since the jack is internally grounded, a ground wire is
not necessary. Attach the power wire to the positive battery
terminal.
7.
Alternately, wire the jack
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.
StrombergCarlson.com • 231.947.8600
JET-5000
FIGURE 1
FIGURE 2
INS-JET5000 04.27.2021
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