ASSEMBLY - TM-55-1905-223-24-170234

TM 55-1905-223-24-17

d. Remove bushing retaining screws and washers (6, 7).

e. Use puller to remove fan hub (5), bushing (16), and blades (20) from motor shaft as one assembly.

Remove bushing (16) from fan hub (5).

NOTE

Fan hub, bushing, and blades are removed with the puller as one assembly. The

tapered bushing holds the hub assembly in place when replaced and screws

tightened. Blades are not disassembled from hub, since they are factory set for

proper cubic feet per minute.

REPAIR

Repair consists of replacing the impeller (21).

ASSEMBLY

a. Install bushing (16) in fan hub (5).

b. Install fan hub (5), bushing (16) and blades (20) onto water shaft as one assembly.

c. Install bushing retaining washers and screws (7, 6).

d. Install hub cover (8) with hub screws (9).

e. Install vibration isolator (11) in van section (15).

f. Connect vane section (15) to fan housing (22) with mounting hardware (4, 10).

REPLACEMENT

a. Position fan (1) and install mounting hardware (2, 3) and (13, 14) to connect fan to bell inlet (23),

companion flange (12). The fan will be connected to deck when mounting hardware (15, 14) is installed.

b. Connect electrical wiring to proper terminals on fan.

c. Operational check:

(1) Turn electrical power ON.

(2) Start and run fan to check operation.

(3) Remove "Out of Service" tag from circuit.

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