Scheppach HMS850 Translation Of Original Instruction Manual page 43

Unsatisfactory surface
finish
Machined surface too
rough
Machined surface
cracked
Workpiece speed too
low during thicknessing
When thicknessing,
chip ejection obstructed
(without dust extractor).
When surface planing,
chip ejection obstructed
(without dust extractor)
With surface planing
and thicknessing, chip
ejection obstructed
(with dust extractor).
Optional accessories
Regular servicing period
Check that the planing blade is in perfect
condition
Check the function of the safety
equipment
Clean dust and chips off the machine
Check the drive belt to ensure it has the
correct tension and is in good condition or
not worn
Oil or grease all moving connecting parts
• Planing blade blunt/worn
• Planing blade filled with chips
• Uneven feed
• Workpiece contains too much
moisture
• Workpiece was machined
against the grain
• Too much material planed at
one pass
• Workpiece was machined
against the grain
• Too much material planed at
one pass
• Too much chip removal
• Blunt knives.
• Wood too humid.
• Too much chip removal
• Too fast feed
• Blunt knives.
• Wood too humid.
• Suction performance too
weak.
Inspection
Change
Inspection
Change
Clean
Inspection
Change
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• Replace or sharpen blade
• Remove chips
• Feed the workpiece with constant pressure and
at reduced speed
• Dry workpiece
• Machine the workpiece from the opposite
direction
• Machine the workpiece in several passes
• Clean bench top and apply a thin coating of
lubricant wax
• Repair transport rollers
• Reduce chip removal.
• Replace knives
• Dry workpiece
• Reduce chip removal.
• Reduce infeed speed.
• Replace knives.
• Dry workpiece
• Use a dust extractor unit having an airflow rate at
the suction connection of at least 20 m/s.
HSS-planer blades
Two­pieces set
Item number: 3902202701
EAN: 4046664000310
Before any If necessary
start-up
X
X
X
X
X
X
Once a After 6
week months
X
X X
GB | 43