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Replace bearing
In case of loud and untypical noises, check the bearings and replace them, if necessary.
Check/replace carbon brushes
Check the carbon brushes for proper function after 50 operating hours of the new machine,
subsequently every 10 operating hours. If the carbon is worn out or the spring is damaged,
replace the carbon brushes as described below.
The carbon brushes may only be replaced by trained personnel!
HOLZMANN MASCHINEN GmbH
• Thread the new drive belt onto the belt pulley (13).
Carry out the previously performed work steps in reverse
order:
• Push the spindle shaft with pulley and drive belt into
the headstock.
• Carefully tap the spindle shaft into position (14) and fix
the spindle shaft with the 2 worm screws (11). Make
sure that the holes for the worm screw of the
handwheel and the belt pulley are at the same height.
• Fasten inner the rotational spindle speed measuring
together with the bracket with the 2 countersunk
screws (10). The segmented RPM plate (15) of the
spindle shaft must fit into the u-shaped spindle speed
measuring.
NOTE:
receive the two countersunk screws. To do this, use an awl
or similar tool to align the tapped holes in the bracket with
the countersunk holes in the headstock.
• Slide the lower part of the drive belt onto the motor
belt pulley (9). Make sure that the drive belt runs
parallel.
• Close and fix the side door of the machine bed (8).
• Tension the drive belt by lowering the belt tensioning
handle (7) and fix the locking lever (6).
• Close the headstock cover and fix it (5).
• Fix the retaining ring around the spindle shaft (4).
• Mount the handwheel with the worm screw on the
spindle shaft (3).
• Fix the respective tool to the headstock (2).
• Remove the spindle shaft, see previous chapter "Replace
drive belt".
• Replace the bearings on both sides (1) by carefully tapping
them out and inserting new bearings. If necessary, use a
wooden block to knock the bearings into position and
prevent damage to the machine.
• Reassemble the pulley with drive belt and spindle shaft,
see previous chapter.
C AU TI O N
• Disconnect the machine from the power supply.
• Remove the cover (1) of the carbon brush on the motor
and remove the carbon brush.
• Insert the new carbon brush into the sleeve (2).
• Fix the carbon brush by compressing the spring and
closing the cover.
• Repeat this procedure with the opposite carbon brush.
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CLEANING, MAINTENANCE, STORAGE, DISPOSAL
The bracket must be positioned so that it can
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D510F_230V
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