Installation Of Idler Hubs - Timbren AXLE-LESS Installation Instructions Manual

b
( )
Grease inner and the outer bearings (
hub . Insert the grease seal
(4)
lift it and place it on the spindle
install the castle nut
(7)
pin through castle nut and spindle hole and then bend the end around the spindle with a screw driver or
(8)
plyers. Put the grease cap
Inboard
Fig. 1 Typical 5 Bolt Idler Hub Assembly
(a) Parts of this document regarding the installation and maintenance of hubs are applicable ONLY if hubs are supplied by Timbren Industries Inc.
(b) Use a high temperature automotive type wheel bearing grease. We recommend using Lithium complex type products with NLGI consistency of 2, with additives for
EP (extreme pressure), corrosion and oxidation, dropping point of 419° F (min.) (or 215° C), with minimum viscosity index of 80.
(c) Always use NEW cotter pins (8).
Page 4

Installation of Idler Hubs

. Insert inner bearing in its housing on the inboard side of
(3)&(5))
on top of the bearing and make sure it is fully seated. Turn hub around,
(2)
and slide it over into place. Insert outer bearing
(1)
onto spindle. Tighten nut. Gently loosen it approximately 1/8 of a turn. Insert cotter
and rubber plug
(9) (10)
1 3
2
Identifying the bolt pattern of a hub
The bolt circle is the diameter of an imaginary circle
formed by the center of the wheel hub
545 hub = 5 bolts on a 4.5" bolt circle
An easy way to estimate a 5 lug bolt circle
is to measure from the center on one hole
to the BACK of the third hole.
TIMBREN INDUSTRIES INC. - 1-800-263-3113 - sales@timbren.com
Typical Installation
on.
4
545 hub
(a)
. Put washer
(5) (6)
5 7 8
6
Outboard
and
9 10