Benchmark 6000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 7 – MAINTENANCE
OMM-0086_0D AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 105 of 210
GF-133 Ph.: 800-526-0288 03/20/14
Rear Refractory Replacement Procedure – Continued
Figure 7-8. Partial View with Rear Plate and Refractory Removed
THE HEAT EXCHANGER INSULATION UTILIZES CERAMIC FIBER
MATERIAL. WEAR A FITTED NIOSH-APPROVED PARTICULATE
RESPIRATOR (3M N95 OR EQUIV.) WHEN SERVICING THE HEAT
EXCHANGER AND BURNER ASSEMBLIES. AT HIGH TEMPERATURES,
CERAMIC FIBERS CAN BE CONVERTED TO CRYSTALINE SILICA
FIBERS WHICH HAVE BEEN IDENTIFIED AS CARCINOGENIC WHEN
INHALED.
WARNING
(4 EACH)
REFLECTOR
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