Part #469509
®
Siemens 2976/2968 Actuator
Installation Instructions
21-1FIL-0 Drive Arrangement, Jackshaft
Installation, Operation, and Maintenance Instructions
This manual is the property of the owner, and is required for future maintenance.
Please leave it with the owner when the job is complete.
Note: This drawing depicts how the actuator looks after installation.
The louver shown is intended to be a general representation and the
actual louver model may vary.
Reference the drawing on page 2 for an exploded view and parts list.
Drive Arrangement 21-1FIL-0
Jackshaft
SAFETY WARNING:
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury
or death. Read the installation, operating, and maintenance instructions thoroughly before installing or
servicing this equipment.
Prior to Adjusting
1. Louver MUST BE installed level and square for blades to operate correctly.
Item
No. Part No.
1A 454129
1B 451918 Actuator, Powers 2968
2 650668 1 Mounting Bracket
3 452066 1 Crankarm Powers
4 812097 2 Crankarm Assembly
5 451576 3 1/2”x7/8” Shaft Collar
6 451582 2 1/2” Flanged Ball Brg.
7 451554 4 1/4” Ball Swivel
8 593831 1 1/2” Dia. Rod - 6.5”
9 451786 2 1/2” Wire Hose Clamp
10 656473 2 16” x 5/16 Galv. Rod
11 416052 5 10-32 Threadstud
12 415991 5 10-32 Hex Nut
13 841971 1 Jackshaft Bracket
14 150144 1 1/2” Dia. Rod (see note)
Note: Jackshaft (10) length = Unit Section Width + 4”
®
DA 21-1FIL-0
Qty. Description
1 Required
per Unit
Copyright © 2006 Greenheck Fan Corporation
Siemens 2976/2968 Actuator, DA 21-1FIL-0, Jackshaft
Actuator, Powers 2976
December 2006
Greenheck Fan Corporation reserves
the right to make product changes.