Procom PCFA125V Manual Del Propietário página 10

7. Carefully pull motor and fan out of shell.
IMPORTANT: Be careful not to damage
fan. Do not set motor and fan down with
the weight resting on fan. This could dam-
age fan pitch.
8. Turn motor and fan around. Place motor
and fan into shell backwards. Note: Motor
will go into shell first (see Figure 8).
9. Line up rear mounting holes in shell with
first hole on each side of motor mount (see
Figure 8). Note: When holes are lined up,
fan should be outside of shell.
10. Holding mounting screws, carefully reach
through fan blades into rear of heater. Be
careful not to damage fan pitch. Insert
screw through motor mount and shell.
With free hand, attach screw finger tight.
Repeat process for other mounting hole.
11. Use 1/8" hex wrench to loosen setscrew
which holds fan to motor shaft (see Fig-
ure 9).
12. Slip fan off motor shaft.
13. Clean fan using soft cloth moistened with
a cleaning solvent.
14. Dry fan thoroughly.
15. Replace fan on motor shaft. Place set-
screw on flat of shaft. See chart in Figure
10 for distance of fan hub from end of
motor shaft. Tighten setscrew firmly (40-
50 inch-pounds).
16. Remove screws securing motor mount to
shell.
17. Pull motor and fan from shell. Turn motor
and fan around. Carefully place back in
shell. Note: Fan will go into shell first.
18. Line up mounting holes in shell with
holes on motor mount. Replace 4 screws
through shell and motor mount.
19. Route motor wires through hole in top of
shell (see Figure 6, page 9).
20. Reconnect motor wires to the same posts
on terminal block as removed in step 3,
page 8 (see Figure 6, page 9).
21. Replace top cover.
22. Replace fan guard.
10
SERVICE PROCEDURES
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Fan
Motor Mounting Bracket
Figure 8 - Fan and Motor Reversed for
Cleaning
Fan
Figure 9 - Fan, Motor Shaft and Setscrew
Identification
Model Distance A
125 0.5" (12.7 mm)* or
0.9" (22.9 mm)*
175 0.25" (6.4 mm)
* Depending
on Motor Shaft
Motor
Shaft
Figure 10 - Fan Cross Section
Setscrew
Motor
Shaft
Fan
A
Motor
Hub
Setscrew
160495-02A