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142
Maintenance and Service
Operator's Manual GB
9.5.7
9.5.7 Change of gear oil
First change of gear oil: after 100 operating
hours, latest after 6 months.
The hoist should be in horizontal position
Heat gear oil: if necesary, completely pay out and
reel in rope once.
Drain off the oil:
Spool off the rope until there is access to the
screw
②
.
Turn the drum and open screws
②
and
①
. Guide
the gear oil from screw
②
into a suitable
container.
Fill in oil:
Turn the drum, until the screw
②
is on top of the
drum.
Fill new gear oil through the opening of screw
②
until some gear oil slightly overflow through the
opening of screw
①
.
Firmly tighten screws
①
and
②
.
TIP
These filling amount can be less than indicated
filling amount, since oil remains in the hoist.
Gear oil quantity:
TC1 = 0.5 l
TC2 = 0.6* l
TC2L = 1.25* l
TC3 = 2.3 l
TC5 = 3.5 l
* +0.1 l if hoist has No. 400000...xxx
9.5.8 Bleeding air from the hydraulic
system
Bleed the air from the hydraulic system:
• after changing the hydraulic oil
• after working on the hydraulic system
• if your crane works slowly or jerkily