Maintenance
Uncoupling (All Types)
Secure caravan/trailer by chocking both
wheels. Apply handbrake fully. There are 4
different handbrake systems (See Figs 42-
46). With all four systems please observe the
following:
Handbrake Lever With Gas Strut (Fig. 42)
Ensure handbrake is fully applied (as
highlighted). This will ensure that the gas
strut will automatically re-apply the wheel
brakes if the trailer starts to roll backwards.
To Release
Press the handbrake push button fully home
and firmly press the handbrake lever back
into the off position (handbrake horizontal).
Caution: If the handbrake is not fully
applied as detailed above, there is danger
that the trailer could roll backwards!
Caution: The brake rod must not be under
tension/bowed when the handbrake is
disengaged, otherwise the breakaway
mechanism will not function.
Handbrake Lever With Spring Cylinder
(Fig. 43)
Apply handbrake fully ensuring that
handbrake is in the vertical position. This will
ensure that the spring cylinder energy store
is fully loaded and will automatically re-apply
the wheel brakes if the trailer starts to roll
backwards.
Caution: If the handbrake is not fully
applied as detailed above, there is danger
that the trailer could roll backwards!
Automatic Handbrake Lever (Fig. 44)
Ensure handbrake is fully applied (as
highlighted). This will ensure that the gas
strut or spring cylinder will automatically re-
apply the wheel brakes if the trailer starts to
roll backwards.
Caution: If the handbrake is not fully
applied as detailed above, there is danger
that that the trailer could roll backwards!
To Release
Firmly push the handbrake lever back into
the off position (Handbrake horizontal).
Handbrake Lever With Spring Cylinder
and Gas Strut (Fig. 46), normally fitted to
commercial units:
Ensure handbrake is fully applied (as
described). This will ensure that the gas strut
or spring cylinder will automatically re-apply
the wheel brakes if trailer starts to roll
backwards.
Caution: If the handbrake is not fully
applied as detailed above, there is danger
that the trailer could roll backwards!
To Release
Press the handbrake push button fully home
and firmly press the handbrake lever back
into the off position (handbrake horizontal).
Servicing
Every 10,000 - 15,000 Km or every 12
months: Lubricate/grease all sliding and
moving parts of the overrun device as show
in Fig. 47.
Recommended lubricant. General purpose
grease to DIN 51825 KTA 3KA.
164
Fig. 47
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