Submittal Sheet

F-27170-6 ¤Copyright 2010 Schneider Electric All Rights Reserved. 11
1. Slide actuator over damper shaft.
2. To set a damper preload of 5q, use manual crank to position the actuator 2 full turns from
the desired damper closed position. On spring return models, lock the crank in position.
See Manual Override Operation, page 10.
3. Hand tighten clamping set screws using 1/8" hex wrench.
4. Center the anti-rotation bracket in the slot and drill holes for two mounting screws.
5. Insert anti-rotation bracket mounting screws and tighten.
6. Tighten the two shaft set screws evenly to 50 to 60 in-lb (5.7 to 6.8 Nm) using a 1/8" hex
wrench.
C
L
Centerline
1/2
1/2
3
45
6
72
1
6
Reverse mounting
using bracket
provided
AM-772
MX4D-6XXX
MX4D-7XXX
#8 sheet metal screws
(not provided)
MX4D-6XXX
MX4D-8XXX
C
L
Centerline
Clockwise to open
Counter clockwise to open
Crankarm Kit
AM-771
Figure-12 Shaft Installation.