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Recommended greases are:
SHELL OIL - DOLIUM R
CHEVRON OIL - SRI No. 2
TEXACO INC. - PREMIUM RB
Removal (6-25 and 30 tons)
Remove fan access panel. Panel is attached
with eight 3/8” bolts.
Remove the wire connections from Auxiliary
Limit Switch (if applicable) which is
mounted in the brace at the fan opening.
Remove the brace located at the fan opening.
Remove the six bolts that connect the motor
mount to the blower frame. Two bolts are on
the angle on the back of the motor mount box,
two are on the bottom inside the motor mount
box and two are on the inside front of the
motor mount box.
Figure 41 - 9-25 and 30 ton Supply Fan
Figure 42 - Bolts which Connect Motor
Mount to Blower Fan
Slide the motor mount back away from the air
inlet, so that the blower wheel is clear of the
inlet. A screw driver or crowbar can be used
to help accomplish this. Use the pry slots on
the back side of the motor mount.
Pull the motor mount to the edge of the
blower frame at the opening.
Remove the motor mount with the motor and
blower wheel attached. Large motors will
require more than one person.
Care must be taken not to damage the
compressors or refrigerant lines when
removing the motor and fan assembly.
Power Exhaust Motor and Belt Removal
1. Remove the four bolts holding the
motor mount. There are rivet nuts on
the backside.
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