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TOWBAR CHECK
Check the coupling head fastenings
Check coupling head
Check coupling head for wear and correct operation.
Check the wear indicator (use within the "+" range
only).
Check the coupling head fastenings (see arrows,
Figure) at regular intervals for firm seating.
Check height adjustment facility
After every adjustment the clamping nuts must be
tightened and secured with the spring elements.
Tightening torque:
M 24 = 250 - 350 Nm
M 32 = 350 - 400 Nm
Check tight fit of the clamping nuts and correct
positioning of the adjustment facility.
Brake play check
Brake play check
The check is carried out visually on the stroke (x) of
the overrun coupling.
As soon as this is more than 50 mm when the brakes
are applied, adjust the wheel brakes.
Check towbar, handbrake lever, spring actuator,
reversing lever, linkage and all movable parts for ease
of movement.
Towbar
Check safety cable (1) for damage; every 5,000
kilometres or annually.
Check Bowden cable (2) on height-adjustable
connection devices for damage; every 5,000
kilometres or annually.
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