
BOLT, 3/8-16 X 1
WASHER, 3/8"
MAIN SUPPORT
TENSIONER PARALLEL TO
DIAGONAL SUPPORT
FAN PANEL
FAN WHEEL
SCREWS 3/8
BOLT, 3/8-16 X 1 1/4
WASHER, 3/8"
SHAFT
FAN PULLEY
BOLT,
5/16-18 X 1
WASHER, 5/16
NUT, 5/16
BEARINGS
NUT, HEX LOCK, 3/8"
REMOVE
FAN WHEEL, BEARINGS, AND SHAFT
PULLEY HUB
SHAFT PULLEY FLUSH
WITH SHAFT END
EARING RACE FLUSH
WITH FRONT EDGE
OF SHAFT FLAT.
SCREWS TIGHTENED
TO FLATS.
SHAFT FLAT
MAIN SUPPORT
FAN HUB
FLUSH WITH
SHAFT END
FAN WHEEL
FAN PANEL FLANGES
TOWARD PULLEY
FIG. 30
20
FIG. 29
1.
Remove the two lower case screws from both case
sides. See Fig.28.
2.
Spread the sides slightly so drive assembly with fan
can be slid from heater.
3.
Refer to the Figs. 29 & 30 for servicing of fan wheel,
bearings, or shaft.
FIG. 28