Manitowoc GROVE GMK7450 Maintenance Manual page 146

Maintenance work on the carrier
7.10 Vehicle brake
Prerequisites
Safety instruc-
tions
G
Checking
7 - 74
– The truck crane is parked over an inspection pit.
– The truck crane is raised on outriggers.
– The engine must not be running and must be secured against unauthor-
à
ised use; P. 2 - 3.
– The parking brake must be released.
•
Do not perform repair work on the vehicle brakes;
tions , P. 1 - 2.
Risk of accidents due to incorrect work on the vehicle brakes!
Incorrect work on the vehicle brakes can lead to failure of the brakes caus-
ing severe accidents.
Incorrect work invalidates the operating approval of the truck crane and no
claims of liability for damage can then be accepted.
All repair work on the vehicle brakes may only be performed by
or an authorised GROVE dealer or an authorised specialist work-
Crane Care
shop with specially trained repair crew.
•
Perform only maintenance work;
•
Check the thickness of the brake linings on all axle lines.
à
Checking , P. 7 - 74.
•
Check the brake lining thickness from the
inside at the openings (1).
If the brake lining thickness has worn down to
the wear marks (stepped edges or grooves), or
if the brake lining thickness has worn down to
only 6 mm (0.25 in).
•
Have the brake lining replaced;
repairs performed , P. 7 - 75.
•
Close the openings using the covers.
3 302 577 en
à
Maintenance instruc-
Manitowoc
à
Having
Maintenance manual
GMK7450