Service Procedures; Upper Shell Removal - Master BY100CE Owner's Manual

SERVICE
PROCEDURES

Upper Shell Removal

1. Remove screws and lock
washers along each side of
heater using 5/16" nut-
driver. These screws attach
upper and lower shells
together.
2. Lift upper shell off.
3. Remove fan guard.
10
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
Figure 7 - Upper Shell Removal, 30/70,000 Btu/Hr Models
Upper
Shell
Figure 8 - Upper Shell Removal, 90/150,000 Btu/Hr Models
WARNING
Upper
Shell
Fan Guard
Fan
Guard
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