
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: 314-231-1130 Toll Free: 1-800-735-3853 Fax: 314-231-5074
www.dukemfg.com
This maintenance is to be completed by a certified 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 stiff bristle brush. Clean away the
large grease and dust particles in the louvers.
Tools Needed
Rags
Phillips Screw Driver
Small Stiff Handle Brush
BK Authorized Degreaser
Step 3 - Cleaning Louvers
Using a stiff 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.