Greenheck GND Series Internal Mount (473707) - Manual

Part Number 473707
Siemens GND Series Actuators
Mounted Internally
Installation Instructions
These instructions apply to the internal field replacement of the Siemens Series actuators on Greenheck VCD
control damper models.
Figure 1: Siemens Series internal mount (exploded view).
1.563 in.
(39mm)
.203 in. (5.2mm) Diameter.
(2)
Blade Axle Bracket
Damper Blade
1.75 in. (44mm)
Blade Lever Hole
Location
Detail A
! !
CAUTION
Device Malfunction Hazard. Improper
set screw tightening causes device
malfunction. Tighten set screws with
proper torque to prevent damper
shaft slippage.
! !
WARNING
Equipment Damage or Electrical
Power Hazard. Line voltage can cause
death or serious injury and short
equipment circuitry. Disconnect power
supply before installation.
ACTUATOR PART #
GND121.1U 24V 383774
GND126.1U 120V 383775
GND221.1U 120V 383776
GND226.1U 120V 383777
GND321.1U 230V 383778
GND362.1U 120V 383779
ITEM # QTY PART # DESCRIPTION
1 1 723981 INTERNAL ACTUATOR BRKT
2 1 839475 DRIVE LINK ASSEMBLY
3 1 829206 1/2" CRANKARM ASSEMBLY
4 1 451588 1/4" E-RING
5 1 593831 6.5" JACKSHAFT, 1/2" DIA.
6 1 415385 10-32 KEPS NUT
7 1 846591 1/2" ANTI-ROTATION BRKT. ASM
8 1 416122 THREADED MOUNTING STUD
9 2 415264 1/4-20x1/2 TCS
10 1 SEE CHART ACTUATOR
11 1 370159 1/2" SNAP IN BEARING
12 1 416179 RETAINING RING 1/2"
Tools Required:
Wrenches: (1) 1/2 in., (1) 7/16 in.,
(1) 3/8 in., (1) 10 mm