Install Instructions

MP909E UL LISTED DAMPER ACTUATOR
Remove mounting screw from damper end of truss link.
Loosen screw between base and truss link. Remove
clevis pin from damper end of actuator pushrod.
Set actuator in place by hooking actuator mounting
clamp over bottom edge of damper frame.
Set damper to the normal (closed) position.
Insert clevis pin in drive ear hole marked P and the
pushrod hole nearest the actuator.
Connect truss link to damper and tighten both truss link
screws.
Tighten damper mounting screws.
Go to PIPING section.
17
(430)
1-1/8 (30) CLEARANCE
1-1/8 (30) CLEARANCE
MP909E
1-1/2
(39)
1-1/2
(39)
6-7/8
(175)
5-3/4
(145)
AXLE
ROTATION TO
NORMAL
C8092
Fig 1. External Mounting Dimensions in Inches (Millimeters).
FACEPLATE
MOUNTING
BRACKET
C8209
90°
AXLE
ROTATION TO
NORMAL
MOUNTING HOLES
CRANKARM
CLEVIS PIN LOCATION ON
1-3/8(35)
REF.
3.1-INCH STROKE OPERATORS
Fig. 2. External Mounting Faceplate Positioning.
(FACTORY INSTALLED)
1-5/8 INCH (41 MM) FOR 3.1 INCH STROKE
OPERATORS AND N.C. DAMPERS
1
C8208
Fig. 3. External Installation.
1
95-6076
2