Mountain Off Road JRB900 - Manual (Page 2)

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M.O.R.E.™ recommends pre-fitting this BUMPER into your Jeep® BEFORE you paint it. Make
sure that you Have no fit issues with any Aftermarket accessories and that you are happy with all
aspects of it. If you are, then paint it and re-install it. Once you modify it in any way, it is NON-
RETURNABLE !!!
1– Remove Factory rear bumper & if equipped remove tow hitch. Save the 2 lower factory bolts
that attached the bumper to the frame. ( Figure 1) .
2– The JRB900 bumper will attach to the back crossmember with 4 bolts per side, Some Jeeps
already have these holes but many do not. You will have to mark and drill these holes to 1/2”.
( Be careful when drilling so you do not hit the fuel tank). ( Figure 2 & 2A)
3– Install JRB900 rear bumper and install the 2 factory bolts back into the lower frame holes .
Finger tighten these bolts at this time. ( Figure 1)
4– Install Left & Right Frame brackets Using the 7/16”x1 1/4” bolts, flat washers, lock washers
and Tab nuts. ( Figure 3 & 4). Nut tab will insert in hole in bottom of the frame. Do not tighten at
this time.
5– Insert the 7/16”-1 1/2” bolts w/ flat washer through the Frame bracket, frame and bumper and
attach with flat washer and 7/16” crimp nut. ( Figure 5)
6– Insert the 7/16”-1 1/2” bolts w/ flat washer through the Backing plates, frame ( holes that may
of had to be drilled) and bumper and attach with flat washer and 7/16” crimp nut. ( Figure 6)
7– Center & Level bumper and tighten all bolts.
8– Now grease the bearings with a wheel bearing grease and install the seal in the bottom. Install
the carrier over the spindle and attach with the washer, nut , cotter pin and dust cap. ( Do not
over tighten the castle nut ) ( Figure 7)
9– Install tail gate bracket onto tailgate using the factory hardware (see figure 8).
10– Install swinger bracket onto swinger using 3/8” x 1” bolts with flat and lock washers (see fig-
ure 9). Install rubber bumper into hole in the back side of the swinger (see figure 10).
11- Thread jam nut onto male rod end and thread into female rod end. Insert rod ends into
holes in tailgate bracket and swinger bracket. Install 3/8” x 24 nyloc nuts onto rod ends. Raise
tailgate bracket until rod end assembly is level (see figure 10). Tighten bolts on swinger bracket.
12– Open and close tailgate and adjust length of rod end assembly until the swinger closes tight
onto stock rubber bumpers. It may be beneficial to rotate the stock rubbers to best hit the
swinger. ( see figures 8&11)
13- Install the ramp pad with the stainless screws provided (see figure 12.)