Symptom

 

Possible Cause

Possible Solution

Short V-belt lifes-

1. Pulleys not aligned correctly.

1. Align pulleys (Page 27).

pan.

 

 

 

2. Improperly tensioned.

2. Properly tension V-belts (Page 26).

 

 

 

 

 

Conveyor

 

slips

1. Conveyor is too loose.

1. Tension conveyor (Page 28).

under load.

 

2. Too much load.

2. Decrease load.

 

 

 

 

Conveyor

tracks

1. Conveyor tracking is incorrect.

1. Track the conveyor so it runs straight (Page 28).

to one side; con-

 

 

veyor

hits

the

 

 

roller cover.

 

 

 

 

 

 

 

 

Workpiece

 

pulls

1. The sanding drum is not parallel with the table.

1. Adjust the sanding drum parallel to the table (Page

to one side dur-

 

29).

ing sanding oper-

 

 

ations.

 

 

 

 

 

 

 

 

Excessive snipe.

1. Too much pressure from all the pressure roll-

1. Reduce pressure roller pressure (Page 31).

 

 

 

 

 

ers.

 

 

 

 

 

 

2. Too much pressure from the rear pressure

2. Reduce rear pressure roller pressure (Page 31).

 

 

 

 

 

roller.

 

 

 

 

 

 

3. Lack of outfeed support.

3. Set up outfeed table or have someone catch the

 

 

 

 

 

 

workpiece as it comes out.

 

 

 

 

 

Workpiece

 

kicks

1. Not enough pressure from the pressure rollers.

1. Increase pressure roller pressure (Page 31).

out of sander.

 

 

 

 

 

 

Sandpaper

tears

1. Nail/staple in workpiece.

1. Sand only clean workpieces.

off

drums

during

2. Sandpaper not tightened or fastened correctly.

2. Install the sandpaper correctly (Page 18).

operation.

 

 

3. Drum not perpendicular to the feed direction.

3. Adjust the drum perpendicular to the feed direction

 

 

 

 

 

 

 

 

 

 

 

(Page 29).

 

 

 

 

 

Table

 

eleva-

1. Table lift screws are dirty or loaded with saw-

1. Clean and regrease table lift screws (Page 22).

tion

controls are

dust.

 

stiff

and hard to

 

 

adjust.

 

 

 

 

 

 

 

 

Poor dust collec-

1. Dust collection lines incorrectly sized for this

1. Use at least an 8" main line with two 6" branch lines

tion.

 

 

 

machine.

that each Y into 212" at the machine.

 

 

 

 

 

2. Dust collector underpowered or too far away

2. Upgrade your dust collector or decrease the distance

 

 

 

 

 

from this machine.

from the dust collector to the machine.

 

 

 

 

 

Grease

on

con-

1. Chain too low.

1. Raise table far enough up so it doesn't touch chain.

veyor belt

 

 

 

 

 

 

 

 

 

 

G0459 12" Drum Sander

-25-

Page 27
Image 27
Grizzly G0459 owner manual Increase pressure roller pressure