
ASSEMBLY INSTRUCTIONS for 
TRIPLE COLUMN XR BASE
NOTE: Please count and inspect all pieces before disposing of any carton or packing materials.
COMPONENTS:
REF. #    QTY.      DESCRIPTION        PART No. 
  1        3       LIFT ACTUATOR        Z460 
  2        2       XR FOOT              A7310 
  3        1       14" WELDED FOOT     A7299 
  4        1       R.H. CHANNEL         CALL~~ 
  5        1       L.H. CHANNEL         CALL~~ 
  6        3       TOP PLATE            B6969 
  7        1       CORNER BRACKET     A7292 
  8        1       CONTROL BOX         Z462 
  9        1       MEMORY SWITCH      Z463 
 10       1       MAIN CABLE           Z467 
 11       1       39.37 CABLE           Z464 
 12       2       78.74 CABLE           Z465
When ordering components, specific size information may be required. 
Contact a Mayline Customer Service Representative.   1-800-822-8037 
~~Denotes Size
HARDWARE BAG (PART No. A7312) *for individual item, order that part number
REF. #    QTY.      DESCRIPTION         PART No.
 E1       24       M6 X 16mm SCREW     X419* 
 E2       24       STAR WASHER        W29* 
 E3       2        GLIDE                Q607* 
 E4       8        1/4-20 X 1/2 SCREW     X352* 
 E5       8        1/4-20 KEPS NUT       T126* 
 E6       8        #10 X 3/4" SCREW      X11* 
 E7       12       #10 X 1" SCREW        X12* 
 E8       2        #6 X 5/8" SCREW       X10* 
 E9       4        CABLE CLAMP         F191*
 

1. Place each Actuator Column Assembly (1) upside 
down with the cord toward the floor. CAUTION: Do 
not pinch Cord Assembly
or 3) to the Actuator Column Assembly (1) with four 
Column upright and attach the Corner Bracket (7). 
clip on the column. Gently tap Bracket in place with 
Position the Cross Channel flange with end notches 
7. Align the last 4 holes in each Cross Channel with 
Corner Actuator Column and attach with four 1/4-20 
8. In the event that you must reposition the Actuator 
cord. Gently remove the cord and strain relief from 
the notch in the top of each Column Assembly (1). 
Top Plate (6) to each Actuator Column with four M6 
2. Position the XR Foot or the 14" Welded Foot (2 
or 3) over Actuator Column Assembly (1) with the 
longer portion of the Foot toward the front (Welded 
Foot is symmetrical). The Actuator column 
'FRONT' is determined by the position of the cross 
channel clip that is welded on each column.  
Position this clip to the rear.
3. Attach the XR Foot and the 14" Welded Foot (2 
M6 x 16 mm Screws (E1) and Star Washers (E2).
4. Screw the Glides (E3) into the two tapped holes 
in the bottom of 14" Welded Foot (3).
5. Place the assembled 14" Welded Foot Actuator 
Slide the Corner Bracket onto the tapered channel 
a Rubber Mallet to assure a tight fit.  
6. Place the outer Actuator column assemblies 
upright and attach the Cross Channels (4 & 5). 
toward the floor. Slide the Cross Channel bracket 
onto the tapered channel clip on each Column. 
Gently tap the Cross Channels in place with a 
Rubber Mallet to assure a tight fit.
the 4 holes in the Corner Bracket mounted to the 
X 1/2 Screws (E4) and 1/4-20 KEPS Nuts (E5).
Position the cords so that they are toward the 
center of the assembled base. Insert the strain 
relief into the appropriate Column notch.  Attach 
x 16 mm Screws (E1) and Star Washers (E2).
9. Attach the Memory Switch (9), Main Cord (10), 
and Connector Cables (11 and 12) to the Control 
Box (8).
 

ATTENTION: 
MAYLINE includes screws for the installation of a Work 
Surface with a minimal thickness of 1 inch (25.4mm).
10. PRIOR TO ATTACHING WORKSURFACE: 
Place the switch cord over the top of the Cross 
Channel.
11. Align the holes in the Top with the holes in 
the Mounting Plates and secure in place with 
twelve #10 X 1 Screws (E7).
12. Align the holes in the Control Box (8) with the 
holes in the underside of the Top and attach it 
with four #10 x 3/4 Screws (E6). 
13. Connect the cables to the columns. Connect 
the 78.74 Cables (12) to the Outer Actuator 
Columns. Connect the 39.37 Cable (11) to the 
Corner Actuator Column.
14. Place the Memory Switch (9) in a 
comfortable and accessible location on the 
underside of the Top and attach it with two #6 x 
5/8 Screws (E8). 
15. Route the Actuator Column cables and the 
Memory Switch cable away from moving 
components and secure them in place with 
Cable Clamps (E9) and Screws (E6). 
 

INSTRUCTIONS for
DESK SWITCH w/ PROGRAMMABLE MEMORY
321
1. Initialize system by pressing down    and holding for 5 to 10 
  seconds after table bottoms out.
2. Push 'UP'     to desired height.
3. To save this position in Memory: 
  A.) Press    (Set)
  B.) Press (do not hold) button    ,     , or 
  Position is now saved under the number chosen.
4. To change to different height, press     or     . 
  This position may be saved by repeating Step 3 and using 
  one of the other buttons or using the same button to change 
  the previous setting. Up to 3 positions may be stored.
S
1
2 3
S
5. To go to new height position, press     or     , or press stored 
  height under    ,     , or    . Unit will automatically stop at 
  the stored position.
21 3