Installation Instructions 

#1        Starting Point 

                       (All Models) 

▶︎ Hand tighten bolts initially, fully 

..   tighten when finished.
▶︎ Mount as far back on the tongue as

..   possible to maximize front clearance.
▶︎ Many benefits and useful details are

..   not obvious and justify reading or

.    scanning these instructions,

..   especially for extended models.

#2  The Fastest Option.

                       (All Models)                 

Many installations are so simple and straight forward they can be  done by just looking closely at the Illustrations. Find one close to yours, assemble the parts in a similar way, and bolt it on.

 

R&M  uses Erector Set® and Lego®

logic - standardized parts assembled in different ways for different purposes.

#3    Select Location 

                (All Models)

Trailer without batteries or propane &

non- Extended models:

▶︎ Locate as far back as possible.

Trailer with batteries  or propane &

Extended models.
▶︎ If any location avoids batteries &

..   propane, locate there.
▶︎ If batteries behind propane,

..   relocate them & locate there.
.    • Avoid, trim or remove the battery

.       bracket to clear relocated jack.
.    • Install device, relocate batteries.

▶︎ For all others, relocate batteries and

.    propane, to the far back.
.    • Avoid, trim or remove obstructing

.       brackets to clear relocated jack.
.    • Install Extened model Front .          Addition options.

.    • Relocate batteries and propane.

#4  Install Extended Model 

                        (JBX)

▶︎ For Extended model installs only.

▶︎ Fasten extension bars to the device

..   to create the required length using at

..   least three bolts for each connection.

#5     Mount Jack Back 

                   (JB, JBX)

▶︎ Set the Jack Back in its new

..   permanent location on the tongue.

.    • Mount as far back as possible to

.      maximize useful space on front.

.     Can be mounted off-center or

.      twisted to avoid  brackets, etc.
▶︎ Position top shackles alongside the

..   the bars, astride the frame rails.
▶︎ Bolt the top shackles to the bars.

▶︎ Bolt the top shackles to bottom

..   shackles, clamping the tongue

..   rails in between.

#6    Relocate the Jack 

                         (JB, JBX)               

▶︎ Support the tongue with a tow vehicle,

..   jack stand or equivalent.

▶︎ If  electric jack, leave wires connected.

..   Unbolt and move to the jack platform.

#7        Ending Point 

                         (All Models) 

▶︎ If electric jack is not fused, put one

..   in-line (usually 30 amp). Follow the

..   manufacturer’s specs.

▶︎ Electric grounds through the jack body

..   may no longer work.  If not, ground

..   directly to the battery terminal.

▶︎ TIGHTEN All Bolts!

▶︎ Confirm the emergency breakaway

..   cable for the trailer brakes and

..   electric & propane systems work

..   properly, and all bolts are TIGHT!

. .       Jack Back

. .              . Including

 Extended Model Side Arms

Contact Us:

R&M Manufacturing

POB #11

Spanaway,Wa. 98387

​253-691-0766

randmmanufacturing@gmail.com

jack-back.com

Business Hours:

Mon - Fri:   9am - 5pm

Pacific Time

™2019 

R&M Manufacturing