Grizzly G0677, Руководство пользователя

Страница: 42 / 96

-40-
G0677 24" Planer/Sander
Symptom Possible Cause Possible Solution
Machine slows when
operating. 1. Feed rate too high.
2. Depth of cut too great. 1. Feed workpiece slower (see Page 26 ).
2. Reduce depth of cut (see
Page 30
).
Loud, repetitious
noise coming from
machine. 1. Pulley set screws or keys are missing or
loose.
2. Motor fan is hitting the cover.
3. V-belt(s) is defective.
1. Inspect keys and set screws. Replace or tighten if
necessary.
2. Tighten fan or shim cover.
3. Replace V-belt(s) (see
Page 52
).
Machine is loud,
overheats or bogs
down in the cut. 1. Excessive depth of cut.
2. Dull or dirty sanding belt. 1. Decrease depth of cut (see Page 30 ).
2. Replace or clean sanding belt ( Pages 37 & 27 ).
Rounded workpiece
edges. 1. Excessive depth of cut. 1. Reduce depth of cut (see Page 30 ).
Uneven thickness
from left to right of
board. 1. Feed table not parallel to sanding roller and
cutterhead.
2. Feed belt is worn.
1. Adjust the feed table (see Page 47 ).
2. Replace feed belt (see Page 55 ).
Workpiece slips on
feed belt. 1. Pressure rollers set too high.
2. Dirty feed belt.
3. Feed belt is worn.
4. Cutterhead set too low. 1. Lower pressure rollers (see
Page 49).
2. Clean feed belt (see Page 37).
3. Replace feed belt (see
Page 55).
4. Raise cutterhead at least even with sanding belt so
pressure rollers move workpiece onto outfeed side
of conveyor.
Grooves down
length of workpiece.
1. Pressure rollers are dirty or damaged. 1. Clean or repair pressure rollers.
Snake shaped marks
on workpiece. 1. Sanding belt damaged or dirty. 1. Clean or replace sanding belt (see
Pages 37
&
27
).
Lines across width
of workpiece. 1. Sanding belt seam is open or damaged. 1. Replace sanding belt (see
Page 27
).
Glossy spots
or streaks on
workpiece.
1. Worn sanding belt.
2. Rear pressure roller too low. 1. Replace sanding belt (see
Page 27).
2. Raise rear pressure roller (see Page 49 and warning
in
Pressure Roller section, Page 20
).
Sanding belt clogs
quickly. 1. Sanding belt grit too small for particular
job.
2. Excessive depth of cut.
3. Wood is too moist.
1. Replace with a coarser grit sanding belt.
2. Reduce depth of cut (see Page 30 ).
3. Allow wood to dry out.
Sanding belt does
not tension correctly;
rollers slip under
belt. 1. Low air pressure.
2. Air leaks in system.
1. Adjust air pressure to 75 PSI at primary regulator
(see
Page 18).
2. Inspect all hoses and connections for leaking air;
use water on suspected area to detect bubbles.
Sanding belt runs off
to one side, stopping
the sander. 1. Air eye fork clogged.
2. Airflow adjustment knob closed.
3. Belt tracking incorrect. 1. Clean the intake hole on the air eye fork.
2. Turn valve all the way out, then back in 3
1 ⁄
2
" turns.
3. Adjust belt tracking (see Page 44 ).
Poor, non-aggres-
sive sanding results. 1. Worn sanding belt.
2. Sanding belt loaded with sawdust.
3. Planer cutterhead set too low. 1. Replace sanding belt with a new one (
Page 27).
2. Clean sanding belt to unload sawdust ( Page 37).
3. Raise cutterhead so sanding belt sands workpiece.
Operation