Grizzly G0458ZX Manual page 65

3.
Raise table until blocks just touch the rear
pressure roller.
4.
Find the largest size feeler gauge that can
pass between sanding drum and your gauge
block. (The feeler gauge should slide with
moderate resistance, without forcing drum to
roll.)
— If gap is 0.004" (0.1mm) or less, then no
adjustment of rear pressure roller is nec-
essary.
— If gap is more than 0.004" (0.1mm), then
rear pressure roller must be adjusted.
5. Raise table until gauge blocks just touch the
drum.
6. Find the largest size feeler gauge that can
pass between the front pressure roller and
your gauge block. (The feeler gauge should
slide with moderate resistance, without forc-
ing the drum to roll.)
— If the gap is 0.004" (0.1mm) or less, then
no adjustment of front pressure plate is
necessary.
— If the gap is more than 0.004" (0.1mm),
then front pressure plate must be adjusted.
To adjust rear pressure roller:
1.
DISCONNECT MACHINE FROM POWER!
2.
Loosen hex nut securing tensioner cap
screws on both ends of rear pressure roller
shown in Figure 48.
Pressure
Roller Pivot
Bar
Figure 48. Rear pressure roller adjustments.
Model G0458Z (Mfd. Since 01/23)
Pressure Roller
Cap Screw
(1 of 2)
Hex Nut
3.
Rotate cap screw clockwise to raise the pres-
sure roller, or counterclockwise to lower pres-
sure roller.
4. Adjust rear pressure roller until it is equal to
or up to 0.004" (0.1mm) lower than height of
the drum.
To adjust front pressure roller:
1.
DISCONNECT MACHINE FROM POWER!
2.
Loosen hex nut securing adjustment cap
screws on both ends of rear pressure roller
shown in Figure 49.
3. Rotate cap screw clockwise to raise pressure
roller, or counterclockwise loosen cap screw
to lower pressure roller.
Pressure Roller
Adjustment
Cap Screw
Hex Nut
Pressure Roller
Pivot Bars
Pressure Roller
Figure 49. Front pressure roller adjustments and
pressure roller overview.
4. Adjust rear pressure roller until it is equal to,
or up to 0.004" (0.1mm) lower than height of
the drum.
Pressure
Roller
Pivot Bar
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