Maintenance
149
AXLE TYPES
Safety Precautions
No welding is permitted on AL-KO Axles
It is important that the wheel and hub/ brake
drum are compatible. This mean that the
PCD, wheelbolts and inset must all be
compatible with both the hub/brake drum
and the wheel rim.
Particular attention must be paid to the
recommended torque figures for the
wheelbolts (see pg 18).
The axle type details shown on axle type
plates must not be obscured or made
illegible by application of any additional
surface finish.
Operating Instructions
Service Brake
When the towing vehicle is braking or
travelling down hill, the overrun device shaft
is pushed in (dependent on the magnitude of
the thrust on the shaft) and presses on the
overrun lever. This acts on the bowden
cables and expander mechanism, which in
turn expands the brake shoes applying the
wheel brakes.
Hand Brake
With the gas strut version, pull the
handbrake lever until upright. With the spring
cylinder version, pull the handbrake lever
right up to the last tooth. The caravan is then
braked.
IMPORTANT NOTE
Please note that with the handbrake fully
applied, the caravan/trailer is able to move
backwards by 25 cms until the spring
cylinder/gas spring takes effect.
Maintenance and Cleaning
Maintenance of Euro-Plus/Euro-Compact
and Euro-Delta.
The above semi-trailing axles come fitted
with maintenance free wheel bearings
(greased and sealed for life) and no
adjustment is necessary.
NOTE: The hub bearing is not protected
against water ingress. Check wheel brake
linings for wear every 10,000 kilometers or
every 12 months via the inspection hole
(Fig. 5/Item 1). Adjust if necessary. Where
continuous travel in hilly regions or high
mileage is experienced, earlier inspection
and adjustment may be necessary.
NOTE: The flanged hub-nut, located under
the dust cap, used to keep the brake drum
in situ, is a ONE-SHOT NUT (ie. must only
be used once). If removed it must be
replaced with a NEW flanged nut - torqued
to 290 ± 10 Nm (214+/1 7.5 lbs/ft). A small
amount of special mineral grease, available
from AL-KO must be applied to stub axle
thread prior to fitting the new flanged nut.
After fitting excess grease must be removed
with white sprit.
The rear hexagon cap head bolt located
under the black plastic cap MUST NOT BE
DISTURBED under any circumstance.
Interference with this nut will result in
immediate tyre wear and damage to the
braking system and WILL INVALIDATE ALL
WARRANTIES. Should the rear nut
accidentally be disturbed then the complete
axle must be returned to AL-KO for resetting
of the toe-in and camber.
Fig. 4
Fig. 5
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