
Raytec Ltd reserve the right to change specifications without prior notification or public announcement.
Version 1
www.raytecled.com
1277-D-0002
SPI-AR
Installation Steps
High Vibration Yoke Installation (Ordered Separately)
Step 1.
Step 2.
Step 5.
Step 6.
Step 3.
Step 4.
This SPX-BKT-AR-YK kit is intended for use with UL Listed AR luminaire as marked on the luminaire nameplate.  
Accessory Package Contents
Refer to alternate instructions if using Conduit, Hook, Pole, Wall Mount, or Yoke Mount
Inspect shipping package and contents to ensure no damage has occurred during 
shipping.  Discard  surface/ceiling  mounting  bracket  provided  with  AR  luminaire. 
Remove 8 x M6 hex bolts from sides of luminaire and discard.
Mount AR high vibration yoke to mounting surface using a minimum of 4x ¼-20 or M6 
fasteners (not provided).
Thread installed wiring through opening in AR high vibration yoke mount and install AR 
luminaire into yoke. The raised circular bosses on the AR cheek plates should register 
inside of the large circular holes on the AR high vibration yoke mount arms. Rotate 
luminaire to aim in the desired direction and fasten in place using 2x M6 socket head 
cap screws and at washers per side. Torque fasteners to 5 Nm (45 in-lbs).
Resume  installation  instructions  provided  with  luminaire.  (STEP  4  in AR  Installation 
Instructions provided with Luminaire)
WARNING:  
The  AR  Head  must  not  face 
upwards by any degree beyond 
the vertical position for Class II, 
Division 2, Zone 22, and Class III 
hazardous locations. 
Install suitable wiring system to the conduit opening per CEC/NEC requirements 
for the specic location of install.
NOTE: To aid in assembly and protection against ingress use of a petrolatum or 
soap thickened mineral oil based thread lubricant/sealant is necessary.
Un-used conduit opening must be plugged to maintain the integrity of the 
enclosure.
Mount AR Cheek Plates to sides of AR luminaire using 4x M6 at head cap screws 
per side. Thread  one cheek  plate over installed wiring  during assembly. Torque 
fasteners to 5 Nm (45 in-lbs).
SPX-BKT-AR-YK QTY PART NAME
1AR HIGH VIBRATION YOKE
2CHEEK PLATE
8M6 x 1 x 25mm SOCKET FLAT HEAD CAP SCREW
4M6 FLAT WASHER
4M6 x 1 x 16mm SOCKET HEAD CAP SCREW
Step 2
Step 4
8.0in
3.8in
203mm
95mm
2.3in 3.1in
59mm
4.3in
80mm
8.0in
108mm
203mm
0.3in
10x
6.8mm
THRUALL
 
 
LIGHTBEAM
HORIZON