Tjernlund 950-3022 Motor Kit 8504066 Rev 1 05/98 - Manual (Page 2)

1. Remove (10) screws from top and side of
IN-FORCER. Loosen and remove nut inside
the electrical box while holding blower
assembly firmly.
2. Cut crimped connectors on motor leads.
3. Carefully remove the bottom of IN-FORCER
to see housing and motor assembly.
4. Loosen set screw on wheel hub.
5 . Remove nuts which attach motor mount to
housing. Remove motor/mount assembly
and remove defective motor. NOTE: SAVE
MOTOR STUD SPACERS THAT ATTACH
TO ELECTRICAL BOX.
6. Position new motor onto motor mount. Firmly
fasten motor to motor mount with proper
spacers, washers and nuts removed in
step 5. Replace spacers on motor stud that
attaches to electrical box.
7. Insert motor shaft into IN-FORCER wheel and
attach motor/mount assembly to housing with
nuts removed in step 5.
8. Secure wheel by tightening set screw onto
motor shaft. Spin the wheel by hand to
ensure proper alignment and equal
wheel clearance on both housing sides.
IN-FORCER PAI-1 & 2 SERIES WITH DATE CODES PRIOR TO “9705” (DIAGRAM C)
IN-FORCER PAI-T SERIES FACTORY WIRING
DIAGRAM B
DIAGRAM C
9. Replace (10) screws removed in step 1. for IN-FORCER casing and replace motor stud nut.
10. Wire new motor according to appropriate IN-FORCER factory wiring diagram and run
IN-FORCER and heating equipment through a couple of cycles to verify proper operation.