A D J U S T / l N S P E C T / S E R V I C E / R E M O V E / l N S T A L L S I D E P A N E L S A ND
LOUVER LINKAGE (CONT)
Death or serious injury could occur if precautions are not
taken when maintaining this equipment. Position HEATER-
OFF-FAN switch to OFF, remove power cable plug from
POWER RECEPTACLE, and ground capacitors C1 and C2
at end cover of combustion blower. Always have another
person standing by who is trained in electric shock first aid.
Remove electrical charge from ventilating air motor capaci-
tor C3 by shorting out contacts using tool having insulated
Allow sufficient time for heater to cool to room tempera-
ture before gaining access to heater compartments.
1. Remove six screws (1) and lock washers (2). Lift off bottom cover (3).
2. Reach through heater opening (4) and pull ends of louver linkages (5) out of holes in louver con-
trol bars (6).