89
Maintenance and Service
Operator's Manual GB
8.3.2
Hydraulic system
• Check that there are no leaks from the
hydraulic hoses, lines and connections.
• Check oil level in the tank. If necessary, fill
to correct level.
• Make sure that all security seal wires (Ex.
LHV, dump valves, etc...) are not broken.
Always go to/contact a HIAB service work-
shop when the seal wire has been broken.
! NOTE
Always place the vehicle on level ground with
the crane in transport position while checking the
oil.
Oil level on the slewing housing
• Do a check of the oil level in the slewing
housing. If necessary, fill to correct level.
Filters
• Check the filter indicator. If red, replace the
cartridge.
8.3.2 Monthly inspection and mainte-
nance
In addition to the daily inspection, carry out the
following each month:
Piston rods
• In cases where the cylinder piston rod is
exposed to pollution due to the parking
location, the chromed surfaces must be
cleaned and oiled to prevent corrosion. This
needs to be done regularly.
Pivot pins and bushes
• Inspect all the pivot pins and bushings for the
crane boom and cylinders for damage, play,
etc.