SERIES 41 AND 81 MODUTROL IV™ MOTORS

Mounting

 

 

 

 

Adapter Bracket

 

Use the following guidelines for proper motor mounting:

The 220738A Adapter Bracket, positioned between the motor

• Always install motors with the crankshaft horizontal.

and the equipment, raises motor shaft height by 19 mm to

• Mounting flanges extending from motor housing base are

match that of previous Modutrol® Motor models.

drilled for 6.4 mm machine screws or bolts.

The following applications require this bracket:

• Motors are shipped from the factory in their normal position:

— Normally closed models are shipped at the counter-

• Q607 External Auxiliary Switch.

 

 

clockwise rotation limit (viewed from the power end).

• Damper linkage applications require added clearance to

— Normally open models are shipped at the clockwise

allow:

 

 

rotation limit, (viewed from the power end).

— Crank arm rotation through the downward position.

 

 

 

 

 

 

 

 

 

— Sufficient damper linkage to reach the motor shaft.

NOTE: Refer to Fig. 2 for graphical representation of

• All valve linkages except the Q5001.

 

 

fully-open and fully-closed positions.

NOTE: When the bracket is not used in a replacement

 

 

 

 

 

 

 

 

 

 

 

VERTICAL

 

VERTICAL

 

application, the damper linkage can require

 

 

REFERENCE

 

REFERENCE

 

adjustment for the new shaft position.

 

 

 

 

 

 

 

 

FULLY

 

 

FULLY

 

 

 

 

 

CLOSED

10

CLOSED

To mount the motor with the bracket:

10

 

 

 

 

 

 

 

 

 

 

 

 

 

90

 

 

 

 

1.

Mount the bracket to the equipment with existing or

 

 

 

 

 

 

 

 

 

2.

standard bolts.

 

 

 

 

 

 

 

160

Using the provided bolts, mount the motor to the bracket

 

 

 

 

 

 

 

 

threaded holes. See Fig. 3.

 

 

 

 

 

 

 

 

 

 

 

 

 

FULLY

 

 

 

 

For valve linkage applications (other than the Q5001):

 

 

 

OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Mount the bracket to the linkage.

 

 

 

 

 

 

 

 

 

2. Position the motor on the bracket to align the motor

 

 

 

 

 

 

 

FULLY

3.

shaft with the linkage.

 

 

 

 

 

 

 

Attach the motor to the bracket with the four bolts

 

 

 

 

 

 

 

OPEN

 

90 DEGREE STROKE

160 DEGREE STROKE M17712

 

(provided).

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 2. Motor shaft positions at stroke limits

 

NOTE: The bolts go through the motor flange holes

 

 

(viewed from power end).

 

and into the threaded holes of the bracket.

STANDARD

BOLTS (4)

1

BOLTS

 

PROVIDED (4)

WIRING BOX

MOTOR

ADAPTER

BRACKET

EQUIPMENT

BASE

1No. 12 OR 1/4 in. ZINC PLATED MACHINE SCREWS OR BOLTS

M17715

Fig. 3. Mounting the motor with an adapter bracket.

5

63-2187—3

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Image 5
Greenheck Fan 41, 81 specifications Mounting
Page 4 Page 6

41, 81 specifications

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