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Cleaning Impeller
The impeller normally requires no maintenance,
but the blades can accumulate metal dust debris
that will adversely affect motor performance.
Removing the motor/impeller assembly allows
cleaning and inspection of the impeller blades.
Tools Needed
Hex Wrench 6mm .............................................. 1
Soft Bristle Brush .............................................. 1
Shop Vacuum with HEPA Filter
and Non-Conductive Hose ................................ 1
NIOSH-Approved Respirator ............................. 1
ANSI-Approved Safety Goggles ........................ 1
Leather Gloves ...........................................1 Pair
To clean impeller and inspect motor shaft:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove (8) cap screws and flat washers
from motor mounting plate (see Figure 36).
3.
Put on NIOSH-approved respirator, ANSI-
approved safety goggles, and leather gloves.
Motor
Capacitor Cover
Figure 36. Cap screws secure the motor/impeller
assembly to the cabinet.
-26-
4.
Qty
Figure 37. Motor/impeller assembly removed for
5.
6.
x 8
Inspect all ducts and fittings monthly and clean as
necessary.
To clean inside ducts:
Motor
Mounting
1.
Plate
2.
3.
4.
Remove motor/impeller assembly and care-
fully set it on capacitor cover (see Figure 37).
cleaning and inspection.
Use a soft bristle brush and dry rag to remove
dust from impeller blades and impeller hous-
ing. DO NOT use compressed air or your
bare hands. Inspect impeller for damage and
replace if necessary.
— Use only NFPA 484-compliant shop vac-
uum with HEPA filter and non-conductive
hose to vacuum debris inside housing. DO
NOT use compressed air.
When complete, replace motor/impeller and
re-install cap screws and flat washers.
Cleaning Ducts
DISCONNECT MACHINE FROM POWER!
Wear NIOSH-approved respirator, ANSI-
approved goggles, and leather gloves.
Undo clamps to disconnect ducts and fittings.
Use soft bristle brush and dry/damp rag to
remove accumulated metal dust.
Reconnect ducts and secure clamps.
Model G0818 (Mfd. Since 10/16)
Impeller
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