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BJ5-615 Chapter 5: Maintenance 50 of 85
NOTE: The required torque for all cutter mounting screws is 120 Nm
(see the table under “Working on the Cutters”).
7. Turn the rotor by hand
8. Check whether the cutting gap is correct and make sure the cutters
and bed knives do not collide as the rotor turns.
NOTE: Recommended cutter gap: 0.8 mm – 1 mm
9. Mount the cutter cover plates.
Transporting and Storing the Cutting Cutters
WARNING!
• Danger of cutting caused by sharp cutting cutters.
• Serious injury, in particular to hands and fingers, can result.
• Wear protective gloves.
• Only transport and store the cutting cutters packaged.
• Grease the cutting cutters well, so that they do not rust. Protect the
cutting edges with doubled cardboard and use adhesive tape to
safeguard the cutters against slipping out of the sides of the sheath.
• After unpacking, you must degrease the cutting cutters so that they
can be gripped safely.
Hydraulic Maintenance
Hydraulic oil has to be filled into the tank before start-up of the machine. The type of oil
that should be used depends on location. Recommend oils include type DIN 51524 HLP 32
for areas with temperatures below 32°F (0°C) in the winter and HLP 46 for temperatures of
around 86°F (30°C) in the summer. For extremely hot tropical areas (i.e. Thailand,
Malaysia, Nigeria etc.) it is recommended to use HLP 68. The first oil replacement should
be done after 1,000 operating hours and then after every 2,000 operating hours. The oil filter
must be replaced too.
NOTE: Overheating of the oil and dirt in the oil will cause damage to the hydraulic
system if the oil is not replaced in the specified amount of time. This can lead to
complete standstill of the machine.
The same type of oil must be used when adding hydraulic oil. If the same type of oil is
unavailable or if it is unknown, then the oil in the tank and the entire hydraulic system has to
be removed and carefully and completely flushed. The system may only be filled with new
oil after this procedure has been done because it is necessary in preventing the valves from
gumming.