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 TM 55-1905-223-24-17
d.
Remove the screws (13) around the blower outlet and remove the fan housing (5) from the blower
section.
e.
Remove the screws from the housing cone (6) and remove the cone from the housing (5).
f.
Lift the impeller (8) free of the fan housing (5).
REPAIR
Repair consists of replacing unserviceable items or replacing the blower assembly.
ASSEMBLY
a.
Place the impeller (8) inside the fan housing (5) and install housing cone (6).
b.
Connect the fan housing (5) to the blower section (3) with mounting screws (13).
NOTE
Two soldiers required for following task.
c.
Slide the drive shaft (12) into the blower section (3). Position the impeller (8) from inside the fan
housing (5) to align with drive shaft. Slide drive shaft into impeller. Do not tighten setscrew (4) at this
time.
d.
Install the flange bearing (9) onto drive shaft end. Install flange bearing mounting screws (10).
e.
Make sure impeller (8) is free to turn in fan housing, and tighten setscrew (4) until snug.
f.
Install standing tube with grease fitting (11) to flange bearing (9).
REPLACEMENT
NOTE
Ensure that gasketing is in place on coil section when installing blower.
a.
Mount blower (3) to air conditioner assembly with screws (4).
b.
Attach blower (3) to coil section with capscrews (15) and washers (14).
c.
Install blower section cover (2) with screws (1).
d.
Connect ducting to blower outlet (7).
4-46
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