Duke FHUAS Reference manual

Customer Service Bulletin
Subject: Front Panel Quarterly Maintenance
Model: FHUAS
Bulletin Number 001
03/29/2018
Duke Manufacturing Co.
2305 N. Broadway St. Louis, MO 63102
Phone: [phone] Toll Free: 1-800-735-3853 Fax: [phone]
www.dukemfg.com
This maintenance is to be completed by a certied service agent.
Disconnect unit from power source or use Lockout/Tag-out procedures
before performing and maintenance.
Please read these instructions completely before
attempting to install, operate or service this equipment
Step 1 - Removing Front Panel
Remove six (6) screws holding front panel.
Let panel tilt out from top.
NOTE: Panel is secured by two safety cables.
REMOVE
Step 2 - Remove large debris
Using a sti bristle brush. Clean away the
large grease and dust particles in the louvers.
Tools Needed
Rags Phillips Screw Driver Small Sti Handle Brush BK Authorized Degreaser
Step 3 - Cleaning Louvers
Using a sti bristle brush, spray some
degreaser on the brush and clean away the
grease and debris from inside the louvers.
Do not spray directly onto panel.
Step 4 - Cleaning Louvers - cont.
Spray degreaser onto a rag and wipe down
the panel removing the grease and debris.
DEBRIS
Use safety glasses.
Spraying directly on electrical
components on panel could result in
equipment damage or bodily injury.
Do not spray directly onto panel.
Spraying directly on electrical
components on panel could result in
equipment damage or bodily injury.

2
Customer Service Bulletin for: Product Name
FHUAS - Front Panel Maintenance - cont.
Step 5 - Cleaning Louvers - cont.
Repeat steps 3-4 for the front of the panel.
Step 6 - Cleaning Louvers - cont.
Continue to clean panel inside and out until
louvers are free of dirt and debris.
NOTE: This may take several times to complete.
Step 7 - Installing Front Panel
Install front panel using the six screws removed in step one.
NOTE: Make sure wires are not pinched while securing panel.
INSTALL
Step 8 - Connect Power
Remove lockout/tag-out and reconnect unit to power.
Step 9 - Checking Unit
Turn on unit. Make sure unit operates properly.
To nd a Service Agent near you, please visit:
dukemfg.com/service/service-agent-locator/usa/