
Installation Manual 385072-45
P.N. 385072-222 Ed B 11/05 3Acu-Rite Companies Inc.
•Loosely attach the bracket assembly to the saddle.
•With the axis at the center of travel, attach the
bracket assembly to the reading head.
•Position the assembly to the saddle, and transfer
punch the two mounting slot locations.
•Remove the assembly from the reading head, drill
and tap the locations for 1/4-20 x 1/2” deep.
•Remove the bracket assembly from the reading
head, and the encoder from the spar.
•Position the spar to the scribed lines and mark one
end mounting hole location to the knee.
•Drill and tap location for a 1/4-20 x 1/2” deep.
•Temporarily fasten the spar to the knee at one end
with a 1/4-20 x 5/8” FHCS provided.
•Align the top of the spar to the saddle travel.
•Transfer punch the second mounting hole.
•Remove the spar, drill and tap location for a
1/4-20 x 1/2” deep.
Spar installation ...
Mark one end hole location
Align to within
.010” TIR of the axis travel or
top surface of ways
1/4-20 x 5/8” FHCS
•Insert and center the encoder in the spar from end
to end as done previously.
•Tighten set screws to secure in place.
Reading head installation ...
M4 x 8mm SHSS
*1/4-20 x 1” BHCS (2)
1/4” Flat washer x .09” thk. (2)
Transfer punch mounting slot
locations to the back of the
saddle
Encoder
Flush side (1 & 2)
•Attach the spar with the leveling blocks and
spacers to the knee.
•Align the front surface of the spar using the
leveling screws to aid with front surface alignment.
•Align the top surface of the spar and secure in
place.
Align to within .010” TIR
of the saddle axis travel
Align to within .010” TIR
of the saddle axis travel
Saddle
Knee
Leveling
block
1/4-20 x 2” BHCS & *M6 x
.017 thk. washer (2)
Leveling screws
(2) per
Spacer (2)
Encoder Installation Manual For: Vertical Knee Mill
Cross Feed Y Axis on Right Hand Side
SENC 150