Carrier WEATHERMAKER 39B - Service: Fan Wheel Operations; Fan Wheel Removal and Installation

Fan
Wheel
Removal
6.
1.
Remove
fan
shaft
bearings
per
Fan
Bearing
Replacement.
2. Remove fan shaft per Fan Shaft Removal.
3. Remove fan discharge ductwork.
4, Remove cutoff plate per Fig. 29 and remove
fan wheel thru housing discharge.
5. Replace any damaged internal insulation.
Fig. 29 — Fan Details
Replace fan wheel in reverse order and note
following:
a.
100 thru 110
UNIT 39B
040 thru 060
070 thru 080
135 thru 140
When replacing fan wheels on unit sizes
070 thru 140, ensure balancing reference
marks on wheel (normally a red line)
and clamps line up. Adjust fan clamp
torque per Fig. 2.
Adjust cutout clearance per Table 10. For
minor adjustment, loosen screw holding
cutoff clip to fan housing and adjust cutoff
plate. For further adjustment, loosen bear-
ings and shift fan shaft.
Table 10 — 39B Cutoff Clearance (in.)
FAN SECTION
090
120
130
For replacement items use Carrier Specified Parts.
Manufacturer reserves the right to change any product specifications without notice.
CARRIER
AIR
CONDITIONING
COMPANY
*
SYRACUSE,
NEW
YORK
Tab 9 Form З9В-151 Supersedes 39BA041005 Printed in U.S.A.
9-71 Codes C and ME Catalog No, 533-902
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