TM9-4120-400-14
4-41.
NOTE
The hub must be turned so that it is mounted toward the motor. The direction of rotation
is counterclockwise facing the motor shaft.
4.
Attach fan impeller (23) to shaft (22) and tighten set screw (26).
Slip shaft extension (22) and centrifugal housing (17) onto the motor (21) shaft and tighten setscrew (25).
5.
6.
Carefully slip fan impeller (23) and motor (21) assembly into housing (24).
7.
Attach motor (21) to the base (35) with four cap screws (18), lock washers (19), and flat washers (20).
8. Attach fan inlet (16) and centrifugal housing (17) with eight flat washers (15) and self-locking nuts (14).
INSTALLATION
1.
Place fan and motor assembly in unit and install four cap screws (9) and lock washers (10) to secure base (35)
to the resilient mounts(36).
2.
Install fan bracket (8) with two screws (6) and lock washers (7).
3.
Slip TEMPERATURE SELECTOR remote sensing bulb (4) into clamps (3) and secure with two screws (1) and
lock washers (2).
4. Tighten connector J3 nut if loosened.
5.
Connect P3 motor connector.
Remove as much old insulation material from unit as possible by pulling or scraping it away from metal surface.
6.
Adhesive remover is flammable and the vapors can be explosive. Repeated or prolonged
skin contact or inhalation of vapors can be toxic. Use in a well ventilated area, wear gloves,
and keep away from sparks or flame.
7.
Soften and remove old adhesive and material residue, using adhesive remover and a stiff brush.
8.
Coat mating surfaces of metal and material with adhesive. Let both surfaces air dry until adhesive is tacky but
will not stick to fingers.
9.
Starting with an end, carefully attach material to metal. Press into firm contact all over.
NOTE
FOLLOW-ON MAINTENANCE:
4-102