15
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 of changes on the product without the approval of the producer.
ALWAYS
test the jack function after carrying out the maintenance (see chapter 6.5).
ALWAYS
mark disabled or repaired jack with appropriate inscription (i.e.
„OUT OF
OPERATION“
).
NEVER
carry out maintenance if there is the load on the jack.
NEVER
work with the jack that is under repair!
11.2
REPLACEMENT
OF
BRAKE
INSERTS
AND
BRAKE
ADJUSTING
11.2.1 Brake disassembly (fig. 6)
Demount the crank-lever from the jack. Put the lever in the neutral position (see Fig. 4)
Demount the safety ring (8) and take off the crank arm (7). Unbolt safety screws (6) and
consequently the nut (5). Take out the spring (4) and consequently the carrier segment (7A).
Take out from the hub (1) the ratchet (3) with brake insert (2), take off the brake insert (2), and
replace both brake inserts (2).
Fig 6
Fig. 7
1
2
3
2
7
8
7A
4
5
4 to 6 mm
6
