WARM AIR HEATER REPAIR (Cont).
Unscrew nut at base of flame detector switch (17) until it clears threads and carefully remove
switch from heat exchanger housing.
Loosen 4 screws (18) around edge of
blower assembly (1). Turn blower
assembly counterclockwise to free
from screws and remove blower
assembly and lead.
Disconnect igniter ground lead from
hatch cover (12). Turn fasteners and
remove hatch cover.