Grizzly G0677 Owner's Manual page 42

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