7
432-LIPPERT (432-547-7378)
Rev:06.30.22
JT’s Strong Arm
™
Travel Trailer
Installation and Owner’s Manual
(For Aftermarket Applications)
CCD-002345
Fig.9
Chassis Specific Instructions: “I” or “H” Beam
“I” or “H” beam (front-to-back) and Uninsulated
1.
Measure from the rear side of the front scissor jack 30”
and place a mark on the bottom of the main rails.
2.
Measure the bottom flange of the main rails and divide
by four, for center of mounting hole.
3.
Center punch at the intersection of the lines and drill an
1/8” pilot hole.
4.
Drill out the pilot hole to 3/8” and deburr.
5.
Secure a stiffening pad to bottom of the main rail flange
using a 3/8” x 1 ¼” swing-bolt, a 3/8” washer, and a 3/8”
locking nut. The edge of the stiffening pad should be
parallel to the edge of the main rail flange.
6.
Drill remaining mounting hole and secure with a 3/8”-16
x 1 ½” bolt, 3/8” washer, and 3/8” locking nut. Repeat this
step for opposite side
(Fig. 9)
.
“I” or “H” beam main rails or tubular frames and/or
insulated.
1.
Measure from the rear side of the front scissor jack
27 ¾” and place a mark on the bottom of the main rails.
Assemble a spacer mount as in Step 14.
2.
Using the spacer mount as a template, mark the
mounting holes by aligning one short edge with the 27 ¾”
mark.
3.
Make sure the spacer mount is parallel to the outside
of the main rail flange. Center punch and drill an 1/8” pilot
holes at each mounting hole location.
4.
Drill out the hole closest to the front jacks to 5/16” and
tap using either a 3/8” - 16 tap or 3/8” - 16 x 1” self-tapping
bolt.
5.
Lubricate as needed.
6.
Secure spacer mount to bottom of rail flange with a
3/8”-16 x 1” self-tapping bolt, taking care to keep the
remaining pilot hole centered in the mounting of the spacer
mount.
7.
Tighten bolt securely.
8.
Drill the remaining pilot hole out to 5/16” and insert a
3/8” - 16 x 1” self-tapping bolt and tighten
(Fig.10)
. Repeat
this step for opposite side
(Fig. 10)
.
Fig.10
