-36-
Model W1843 (For Machines Mfd. Since 3/17)
O
PE
R
ATIO
NS
PROBLEM
POSSIBLE.CAUSE
CORRECTIVE.ACTION
Sanding belt runs
off wheels.
1. Belt tracking not correct.
2. Belt not correctly tensioned.
3. Belt is damaged.
1. Adjust belt tracking (
Page 25).
2. Correctly adjust the belt tension (
Page 24).
3. Replace belt.
Sanding belt
breaking or
tearing.
1. Belt tension too tight.
2. Belt rotation incorrect.
3. Poor quality/incorrect type belt.
1. Correctly adjust the belt tension (
Page 24).
2. Make sure belt is installed with direction arrows
following rotation direction (
Page 23).
3. Replace belt with good quality belt of the correct
type for the operation.
Sanding belt
makes grind-
ing noise during
operation.
1. Belt rubbing against wheel housing.
2. Tool rest rubbing against belt.
3. Graphite coating on platen worn out.
4. Idler wheel bearing worn out.
1. Adjust upper wheel guard; correctly adjust belt
tracking (
Page 25).
2. Adjust tool rest away from belt no more than
1
⁄
16
".
3. Replace platen.
4. Replace bearing and idler wheel.
Pivot arm hard to
move.
1. Pivot arm set screws tight.
2. Pivot arm bushing not lubricated.
1. Loosen pivot arm set screws before rotating the
arm (
Page 27).
2. Lubricate the pivot arm bushing (
Page 34).
Operations