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DH 315
Machine transportation
1. Fold both infeed and outfeed table up.
2. Wind power cable around cable holder on the
machine's side.
Service plan
Troubleshooting
A
Danger!
Before carrying out any fault service or
maintenance work always:
- Switch machine OFF.
- Unplug power cable.
- Wait until cutterblock is at standstill.
Check that all safety devices are operational again
after each service.
Prior to operation
- Inside of machine
- Threaded spindles of
rise and fall mecha-
nism
- Dust spout (when
working without dust
collection)
Remove chips and
dust
Infeed and outfeed
table
Apply a thin coat of sli-
ding wax.
Monthly (if used daily)
Threaded spindles of
rise and fall mecha-
nism
Saw blade change
Alignment of infeed
and outfeed table
Check, adjust if neces-
sary
Power supply cable Check for damage, if
necessary have repla-
ced by a qualified elec-
trician.
Carbon brushes of
motor
Check, replace if
necessary
Motor does not run
No-voltage relay trip-
ped by a temporary
power failure.
Switch on again.
No supply voltage Check cables, plug,
outlet and mains fuse.
Motor overheated,
e.g. by
- dull cutter knives
- overloading
- chip build-up in the
cutterblock cover
Remove cause for
overheating, let cool
down for a few minu-
tes, then depress the
reset button and
restart the planer.
Carbon brushes worn Replace carbon brus-
hes.
Power wanes
Cutter knives dull Replace with fresh cut-
ter knives.
Planed surface too rough
Cutter knives dull Replace with fresh cut-
ter knives.
Cutter knives blocked
by chips
Remove chips.
Stock contains still too
much moisture
Dry workpiece.
Planed surface cracked
Cutter knives dull Replace with fresh cut-
ter knives.
Cutter knives blocked
by chips
Remove chips.
Workpiece was pla-
ned against the grain
PLane workpiece with
the grain.
Too much material
removed in one pass
Make several passes
with less chip removal.
Feed rate too little
Support surface for
workpiece fouled
Clean support sur-
faces and wax slightly.
In- and outfeed rollers
binding
Have feed rollers ser-
viced.
Workpiece jammed
Too much material
removed in one pass
Make several passes
with less chip removal.
Motor does not run