Duct Connector
Mounting screws
(typ 6)
Motor assembly
Blower wheel
Pre-filter
Removal and Installation of the Variable Speed Motor (SSLFHFD-FP)
WARNING!
Disconnect the unit from the electrical power source before attempting to service the unit.
Step 1 -- Turn the unit off with the switch located on the face of the unit.
Step 2 -- Disconnect the unit at the power source or at the service panel in accordance with
OSHA (LOTO) practices and procedures.
Step 3 -- Remove the HEPA filter and the pre-filter and set aside. See sections 2 and 3 for instructions.
Step 4 -- Use a 1/8” drill bit and drill to remove the six (6) rivets located around the motor housing cover.
Set cover aside. Clean out metal shavings and rivet parts from the unit. NOTE: If duct is attached
to cover, be careful not to damage duct. Disconnect duct if necessary.
Step 5 -- Disconnect the 6-pin power cable and the 4-pin data cable from the motor.
Step 6 -- Using the 7/16” nut driver, remove the six nuts holding the motor.
Step 7 -- Lift the motor/fan/ring assembly out of the unit.
Step 8 -- Use a 5/32” hex driver to loosen set screw and slide fan off the motor shaft.
Step 9 -- Use a driver to remove the motor mount harness from the motor.
Step 10 -- Reverse above steps to reassemble the motor/fan/ring assembly into the unit.
The fan collette should be even with the end of the motor shaft. Either rivets or sheet
metal screws can used to secure the motor housing cover.
DRAWING NAME
DRAWN
CATEGORY
CHKD
APRVD
PRODUCT
SIZE
TAG
QTY
BRS/SLG
01/24/22
CRITI-CLEAN ORIGINAL INSTALLATION MANUAL
SSLFHFD-FP, SSLFHFD-FP-MEA
REV # F
SHT
9 29
/
SCL
DO NOT
SCALE
1:12
STAINLESS STEEL
CRITI-CLEAN ORIGINAL
FAN FILTER UNITS