BYB User Manual Page 43 of 55 PN: 90020 Version: 1.4
Rolling Jack Air Over Hydraulic
Boat – Trailer Tongue Rest
Tongue Rest Cross Bar Weldment
Tongue Rest Vertical Post
Tongue Crossmember Mount Assembly
Pin Quick Release, Ring Grip 1/2 Diameter
HHCS Grade 5 1/2-13 x 3 Zinc Plated Steel
Flat Washer Grade 2 1/2 Zinc Plated Steel
Nylon-Insert Lock Nut Grade 5 1/2-13 Zinc
Loosen the set screw on one set of
wheels (axles that ride on the same
track channel). Confirm the other 2
wheels are tight then place tightened
wheels of the Rolling Jack Tray on one
set of accessory rails. Slide the
loosened axles in or out to allow the
wheels to seat properly on the opposite
accessory rail. Leave the wheels loose,
this will allow the roller shafts for the
other side to travel in and out slightly to
take up any Placed on the accessory
rails, the RJA allows the user to roll the
jack the length of the lift and lift the
front or rear of the vehicle. (PN 40130)
Install the two tongue crossmember mounts
(3) using the 1/2-13 hardware in the holes
shown. The assembly will be centered on
the crossmember.
Next slide the vertical posts (2) into the
crossmember mounts (3). Finally slide the
cross bar (1) overtop the two vertical posts
(2). The cross bar (1) will be held in place
using the supplied quick release pins (4).
BT Tongue Rest Assembly (PN 40133) is
supplied and only fits the BT lift. If the
movable runway is shifted to it’s narrowest
track-width position. One of the tounge
crossmember mounts (3) must be removed.