14
11 MAINTENANCE
11.1 SECURITY PRINCIPLES
! WARNING
Only qualified persons (service organizations), trained in safety and maintenance
of the jacks, can carry out maintenance and professional inspections.
ALWAYS
use entirely components supplied by the producer.
It is not permitted to carry out repairs and maintenance in other way than
specified by the producer. It means namely the forbiddance of using
unoriginal spare parts or carrying out changes on the product without an
approval of the producer.
ALWAYS
test jack function after carrying out the maintenance.
ALWAYS
mark disabled or repaired jack with appropriate inscription (i.e.
„OUT OF
OPERATION“
).
NEVER
carry out maintenance if there is a load on the jack.
NEVER
work with the jack that is under repair!
ALWAYS
when repairing the paint, it is necessary to observe the total thickness of the
paint layer maximum 0,2 mm (or new paint, or after cleaning the
surface new paint, applies to NEXP product design).
11.2
REPLACEMENT
OF
BRAKE
INSERTS
AND
BRAKE
ADJUSTING
11.2.1 Brake disassembly (fig. 4)
Demount the crank from the jack. Unbolt safety screws (6) and consequently the nut (5).
Take out the spring (4) and crank arm (7). Take out from the hub (1) the ratchet (3) with
brake insert (2A), take off the brake insert (2B), and replace both brake inserts (2A)
(2B).
Fig. 4
Fig. 5
7
6
5
4
2A
3
2B
1
4 to 6 m m
