Page 3 of 9
STEP 3
Rub the Wax Block
[J]
all over
along the all four sides of the
TwinTube
[A]
Spine’s dual tubes.
[Fg.6,8]
Install two Rubber Bumpers,
[K]
with one onto each fixed tube of
the TwinTube
[A]
. [Fg.6,7]
Install two 2” End
Caps
[L]
into
the back side of
the TwinTube
[A]
plates, if not
already done.
[Fg.9]
K
K
A
[Fg.6]
[Fg.7]
J
[Fg.8]
L
A
[Fg.9]
STEP 4
Insert the Slide Tubes
[M]
all the way onto the fixed tubes
of the TwinTube
[A]
Spine. [Fg.10]
Be sure that the mounting holes on the TwinTube
[A]
and
Slide Tubes
[M]
align and that the small hole at the end of
tube is facing down.
A
M
Mounting Hole
AWAY FROM
VEHICLE
Mounting Hole
Small Hole
[Fg.10]
STEP 5
REQUIRED TOOL: 1/2” WRENCH
M
U
P
V
Q
N
Set the Base
[N]
on top of the Slide Tubes
[M]
.
NOTE:
This position will determine how far the bicycles will be mounted from the
vehicle.
Install two (2) Hat Brackets
[P]
up from underneath Slide Tubes
[M]
(one Hat
Bracket per Slide Tube) so the Hat Brackets wrap around the Slide Tubes and
align with the holes on the side of the Base
[N]
facing away from the vehicle
as shown.
Using two (2) 5/16in Carriage Bolts
[Q]
, two (2) 5/16in Carriage Washers
[U]
,
and two (2) 5/16in Nylock Nuts
[V]
per Hat Bracket
[P]
connect the Hat Brackets
to the Base
[N]
as shown [Fg.11].
IMPORTANT: Hand-Tighten only at this time, further adjustment will be
required before final assembly.
[Fg.11]
