-40-
Model G1066R/Z/G1079R (Mfd. Since 02/11)
Aligning Drums
Figure 81. Feed direction perpendicular to
sanding drum (viewed from top of machine).
Sanding Drum
Feed Direction
90°
For the Model G1066R/G1066Z/G1079R Drum
Sander to function properly, the sanding drums
must be aligned in two directions: (1) perpendicu-
lar to feed direction (see Figure 81) and (2) paral-
lel to the conveyor belt (see Figure 82).
Figure 82. Sanding drum parallel to conveyor
belt (viewed from front of machine).
Sanding Drum
Conveyor Belt
A = B
A B
1. DISCONNECT MACHINE FROM POWER!
2. Measure distances between outside of infeed
(front) sanding drum and inside of front brace
on both ends of the drum.
— If distances are within
1
⁄8" of one another,
no adjustment is necessary.
— If distances are not within
1
⁄8" of one
another, infeed sanding drum needs to be
aligned. Proceed to Step 3.
3. Repeat Step 2 on outfeed (rear) sanding
drum.
— If distances are within
1
⁄8" of one another,
no adjustment is necessary.
— If distances are not within
1
⁄8" of one
another, outfeed sanding drum needs to
be aligned. Proceed to Step 4.
Note: If sanding drums are not perpendicular
to feed direction, sandpaper will creep toward
one end of drum during operation.
4. Loosen lock nuts on bearing blocks (see
Figure 83) and adjust sanding drum forward
or backward as necessary until distances
between outside of drum and inside of front
brace on both ends of drum are within
1
⁄8" of
one another.
Improper drum alignment could cause
an uncontrolled exit of material from the
machine—which could result in damage
to property, premature wear and failure of
sandpaper, or personal injury.
Figure 83. Location of bearing blocks.
Bearing Block
(1 of 2)
Lock Nut
(1 of 4)
Drum Alignment
Item(s) Needed Qty
Tape Measure .................................................... 1
Open-End or Socket Wrench
9
⁄16" .................... 1
Adjusting Sanding Drums
Perpendicular to Feed Direction
Adjusting Sanding Drums Perpendicular
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