Section L3 - Royal Enfield SPRING FRAME O.H.V. 250cc CLIPPER 1954 Workshop Maintenance Manual

ROYAL ENFIELD WORKSHOP MANUAL
Rear Wheel (Non-Detachable Type)
Part No. 38920-250 Clipper; Part No. 36998-250 Model S; Part No. 32832
350 Model G; Part No. 33595-500 Model J2.
1. Description
These instructions cover the servicing of four
types of rear wheel which differ only in tyre and
rim size, the diameter of the brake drum, size of
bearings and in the overall width of the hub. The
width over the distance collars is 7
the wheel for the "250 Clipper," and 7
the "250 Model S," "350 Model G" and the "500
Model J2. "
The wheels for the "250 Clipper," "250
Model S" and "350 Model G" have a 6 in.
diameter brake, the wheel for the "500 Model
J2" has a 7 in. diameter brake.
All the wheels incorporate a rubber cush
drive and the chain line in each case is 23 in. A
special feature is the provision of a two-piece
spindle with a detachable distance piece, the
removal of which enables the inner tube to be
changed with the wheel in position in the
machine.
2. Removal of Inner Tube with Wheel in
Position in Frame
Place the machine on the stand. Remove the
dual seat, if fitted, and the detachable portion of
the rear mudguard. Deflate the tyre and remove
the right hand side of the tyre from the rim,
using tyre levers in the ordinary way. Unscrew
the centre bolt and withdraw this completely.
Spring the fork ends slightly apart so as to

SECTION L3

REAR HUB
Fig. 1
release the slip collar, 38917 (spacing collar
31993 or 32455 for Models "S" or "G" and "J2"
respectively) from the spigot which locates it
and slide the collar out of the fork end.
Disconnect the speedometer driving flex from
11
/ in. for
the speedometer gearbox, remove the inner tube
16
3
/ in. for
from the tyre and withdraw it through the gap
16
left between the inside of the fork end and the
speedometer gearbox.
3. Removal and Replacement of Wheel
Place machine on the stand, if necessary
putting packing pieces beneath the legs of the
stand to lift the wheel clear of the ground.
Remove the dual seat, if fitted, and the
detachable portion of the rear mudguard.
Disconnect the rear driving chain at the spring
link and remove the chain from the rear wheel
sprocket, leaving it in position on the gearbox
countershaft sprocket. Unscrew the rear brake
rod adjusting nut completely and depress the
brake pedal so as to disengage the rod from the
trunnion in the brake operating lever. Unscrew
the brake cover plate anchor nut (anchor link nut
in the case of Models "S," "G" and "J2 ") and
remove this together with the washer behind it.
Disconnect the speedometer driving cable,
loosen the spindle nut and the centre bolt and, in
the case of the "250 Clipper," mark the chain
adjuster cams to ensure replacing in the same
position. Slide the wheel out of the fork ends
Section L3 Page 1