Grizzly G0944, Owner'S Manual

Model G0944/G0944HEP (Mfd. Since 03/21)

-27-

Dust Collector Operation

Symptom

Possible Cause

Possible Solution

Loud, 
repetitious 
noise, or 
excessive 
vibration 
coming from 
dust collector 
(non-motor 
related).

1.  Machine incorrectly mounted to wall/mounted 

unevenly.

2.  Impeller damaged and unbalanced.

3.  Impeller loose on motor shaft.

1.  Tighten/replace mounting hardware.

2.  Disconnect dust collector from power; inspect impeller 

for cracks or damage; replace impeller if damaged.

3.  Secure impeller; replace motor and impeller as a set if 

motor shaft and impeller hub are damaged.

Dust collector 
does not 
adequately 
collect dust 
or chips; poor 
performance.

1.  Dust collection bag full.
2.  Canister filter clogged.
3.  Ducting blocked/restricted.

4.  Dust collector too far away from point of 

suction; duct clamps not properly secured; 
too many sharp bends in ducting.

5.  Wood wet/green and dust not flowing 

smoothly through ducting.

6.  Ducting has one or more leaks, or too many 

open ports.

7.  Ducting and ports are incorrectly sized.
8.  Dust collector undersized.
9.  Unused inlet adapter port(s) uncovered.

1.  Replace collection bag.
2.  Clean canister filter or replace if at end of life (

Page 25).

3.  Remove ducting from dust collector inlet and unblock 

restriction. A plumbing snake may be necessary.

4.  Relocate dust collector closer to point of suction; re-

secure ducts; remove sharp bends. 

5.  Only collect dust from wood with less than 20% 

moisture content.

6.  Seal/eliminate all ducting leaks; close dust ports for 

lines not being used. 

7.  Install correctly sized ducts and fittings.
8.  Install larger dust collector.
9.  Cover unused inlet adapter port(s).

Musty odor 
detected during 
operation.

1.  Canister filter caked with dust containing 

excessive moisture, causing mold growth on 
filter.

1.  Clean canister filter or replace if at end of life (

Page 25).

Cleaning 
canister filter 
does not 
improve dust 
collection 
performance.

1.  Canister filter clogged and at end of life.

1.  Replace filter (

Page 25).

Dust collector 
blows sawdust 
into the air.

1.  Duct clamp(s) or dust collection bag(s) not 

properly clamped and secured; ducting loose/
damaged.

2.  Inlet cover seal loose/damaged. 

1.  Secure ducts and dust collection bag, making sure 

duct/bag clamp(s) are tight; tighten/replace ducting.

2.  Tighten all mounting and sealing points; use silicon to 

seal.