Installation Instructions

Installation Instructions
Document No. 129-168
September 25, 2009
Positioning Relay Mounting Kit No. 147-314
Item Number 129-168, Rev. 300 Page 1 of 3
Product Description
This kit contains the parts needed to field mount the
RL 147 Positioning Relay on the No. 4 Pneumatic
Damper Actuator.
Product Number
147-314
Warning/Caution Notations
WARNING
Personal injury/loss of life may
occur if a procedure is not
performed as specified.
CAUTION
Equipment damage, or loss of
data may occur if the user
does not follow a procedure as
specified.
Required Tools
• Flat-blade screwdriver
• Two 5/8-inch (16 mm) open-end hex
wrenches
Expected Installation Time
10 minutes
Prerequisites
• Clean, dry, oil-free air supply
• RL 147 Positioning Relay
• If the actuator is already mounted to the
damper, disconnect the crank arm by pulling
the clevis pin before mounting the relay.
Installation
WARNING:
Do not remove the jam nut. Spring is under
heavy load.
Figure 1.
1. Attach the mounting bracket (Figure 2, Item 1) to
the lower housing of the actuator with the slotted
hex screw (10).
2. Attach the relay to the mounting bracket with two
captive screws furnished on the relay body.
Loosen the cover screw to remove the cover for
access to one of the screws.
3. Attach the relay feedback arm to the lever
assembly of the relay using the two lock
washers and two screws provided. The
feedback arm must clear the mounting bracket
and the actuator lower housing.
4. Thread the hex nut (8) onto the actuator shaft
within 1/16-inch (1.5 mm) from the jam nut on
the shaft of the actuator. Put spring arm (7)
against the nut (8) and thread the clevis (9) onto
the shaft as shown in Figure 2.