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MAINTENANCE
ITEM
Chipper frame and
knife units
Hydraulic system
Grease nipple:
1. PTO drive shaft
2. Rotor bearing
3. Swing bearing of
the roller swing
4. Lifting cylinder of
the roller swing
5. Bearing of
the material feed
6. Opening cylinder of
the upper housing
7. Swiveling cylinder
of the discharge pipe
8. Lifting cylinder of
the material feed
Electrical system
Feed unit
FARMI 381 HFC / HF
ACTION
Tighten pins and nuts
Check twig breaker
and additional knife
Replacement of
the return filter
Oil change
Check timing belt
Check hydraulic hoses
and joints
Lubricate
Lubricate
Lubricate
Lubricate
Lubricate
Lubricate
Lubricate
Lubricate
Check lines and
connectors.
Lubricate electrical
connectors
Check the tension of
the feed unit.
Check the sliding
plates for damage.
MAINTENANCE
INTERVAL
Weekly
At the time of knife
maintenance
500 h
1500 h
250 h
Daily
Daily
50 h
50 h
50 h
50 h
250 h
250 h
250 h
Weekly
250 h
50 h
50 h
26
NOTES
All pins and nuts must be tightened
after the first operating hour! For the
torques, see the table.
Check the twig breaker and the addi-
tional knife for breakage.
First oil change after 80 operating
hours!
If necessary, tighten according to
instructions.
See separate instructions
5-6 pump strokes / bearing
Spray anti-oxidant onto the connec-
tors.
If necessary, tighten according to
instructions.
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