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102422
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.
WARNING
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
Fan Guard
Figure 8 - Upper Shell Removal, 90/150,000 Btu/Hr Models
Fan
Guard
Upper
Shell