Instructions
SUBJECT: Electronic Fee d K it
(PN 73244)
FITS MODELS: CH6614H (72620),
74824, 72825, CH911DH (72928),
72942, CH922DH (74950)
WARNING
TOP COVER
FOUR 1/4" HOLES
BEFORE INSPECTING OR SERVICING ANY PART
OF THIS MACHINE, SHUT OFF POWER SOURCE,
DISCONNECT SPARK PLUG WIRE FROM SPARK
PLUG AND MAKE SURE ALL MOVING PARTS HAVE
COME TO A COMPLETE STOP.
MOUNTING THE LOFA CONTROL
Remove upper belt guard. 1.
Remove the top cover from the Feed Roller Support 2.
unit. If the serial number is equal to or greater than
X01249, skip to STEP 6 (Figure 1).
Remove the back cover from the LOFA control, center it 3.
3-1/2” from the top on the front plate of the Feed Roller
Support housing and mark the position of the holes.
Drill four 1/4” holes (Figure 1).4.
Attach the ISO-Mounts to the controller back plate with 5.
the bolts and nuts provided (Figure 2).
Secure the back plate of the controller to the Feed 6.
Roller Support housing with a washer and one M4-0.7
nuts per bolt, apply locking adhesive and tighten.
Replace the Feed Roller Support cover.7.
Figure 1
Attach the LOFA Control to the back plate (Figure 2)8. .
Instruction Sheet
Figure 2
PN 73243
Rev. 022608
INSTALLING THE SOLENOID
SENSOR
BOLT, 1/2 X 2 HEX
SENSOR BRACKET
NUT, 1/2 CENTERLOCK
CARTRIDGE VALVE
Model 76824 requires the installation of a cross over valve
and hoses. Cross over valve (12820) comes complete with
a solenoid cartridge.
Remove outer plug (using 5/16" allen wrench) from the 1.
top of the valve manifold.
Once the outer plug has been removed, using a 3/16 2.
allen wrench, extract the inner plug located in the relief
valve (Figure 3).
Figure 5
Figure 3, 3/16" inner plug
Replace the removed components with the new sole-3.
noid cartridge valve and coil.
Connect solenoid wiring to LOFA Control wiring har-4.
ness (Figure 4).
POSITIONING THE SENSOR
Position the sensor approximately 1/16” - 1/8” from the 1.
head of the bolt (Figure 6).
Replace the Belt Guard We ldment using 5/16” 2.
hardware.
Figure 6
INSTALLING THE SENSOR
Figure 4
Secure the sensor bracket with the lower left bearing 1.
bolt and position it (the sensor) so it aligns with the set
bolt (Figure 5).
Instruction Sheet