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4 .
Turn the RPM switch to start rotation of rotor . A moderate RPM
of 60 should be sufficient .
5 .
Make sure the inside twin cutter does not contact any of the
brake mechanisms .
Adjusting the Twin Cutters
1 .
First, loosen the inboard lock, and make sure the outboard lock
is tightened . Turn the locks counterclockwise to loosen, and
clockwise to tighten . If the lock handles are too close to turn
freely, pull out on the spring-loaded handle, and rotate to a clear
position .
Image 29.
A) Inboard tool holder
C) Shaft locking bolt
2 .
Adjust the inboard toolholder by turning the depth of cut
adjustment knob . Make sure the micro-round inserts are fully
contacting the rotor surface and cut a full circle around the rotor
surface . Tighten the inboard lock . Each hash mark represents
0 . 1 016 mm (0 .004 inch) .
3 .
Loosen the outboard lock and adjust the outboard toolholder by
turning the depth of adjustment knob .
4 .
Using the feed control, verify the cutter is all the way in on the
rotor surface .
Image 30.
5 .
Using the feed control, quickly draw the cutters across the face
all the way out to the edge of the rotor . This will knock off any
rough edge the rotor may have .
6 .
Draw the cutters back to the inside position (as seen in the
photo above) and tighten the feed engagement knob . This will
begin cutting the rotor .
Spindle RPM Adjustment Tips:
7 .
Adjust final depth of cut . Each mark on the depth of cut
Difficult to rotate rotors and/or extremely deep cuts
adjustment knob represents 0 . 1 016 mm (0 .004 inch) of cut .
should be turned at 70-90 RPM to gain the highest
motor torque.
8 .
Adjust RPM as necessary . The ACE has a maximum RPM of
If lathe starts to slow down automatically during cut
over 120 . If the rotor begins to chatter, change the RPMs until
the spindle rotation speed may be too high.
the chatter stops .
If lathe continues to automatically slow in RPM below
70 RPM, the lathe can be shut-off and restarted at
slower speed to override software optimization
adjustment.
Image 31.
ACT (Anti-Chatter Technology) Chatter
Control
Press the ACT button to enable the chatter control . This process
varies the RPMs of the brake lathe to eliminate rotor resurfacing
problems caused by chatter .
Image 32.
Press the ACT button once the feed engagement knob has been
tightened . The ACT button can be depressed any time after the
RPMs have been set .
To disengage ACT, press the ACT button .
Using the Stabilizer Support Rod
Use the stabilizer support rod to prevent lathe from moving during
heavy cuts or high torque load of vehicle drivetrain . Stabilizer
support rod may be extended to reach the rack surface or the floor .
Using the Reverse Function
Reverse rotation is used on some vehicles when excess drag on the
vehicle drivetrain prevents normal lathe operation .
English
B) Outboard tool holder
D) Locks
The twin cutter insert holders must be flipped over when using the
reverse function .
Stop rotation of the lathe by pressing the "STOP" button .
Disconnect the lathe AC power cord from the outlet and rotate the
twin cutter insert holders as described in Reverse Rotation on page
30 .
Reconnect the lathe AC power cord .
Press the reverse switch on the console . Verify that the direction in
the top right corner of the tablet is correct .
Image 33.
Turn rotor(s) as normal .
When reverse turning is complete, stop rotation of the lathe by
pressing the "STOP" button .
Disconnect the lathe AC power cord from the outlet and rotate the
twin cutter insert holders back to normal position .
Tighten the twin cutter insert holders as described previously .
Optional Extended Cutting Head Kit
Optional Extended Cutting Head Kit
20-3092-1 or 20-3345-1
20-3092-1 or 20-3345-1
Installation
1 .
Install locks, but do not tighten . Open cutters as far as possible
and clean with parts cleaner/solvent to remove the protective
coating applied for shipping . Lock the end cutter . Close the
cutters and clean . Lock the inside cutter, loosen the end cutter,
rotate and clean .
2 .
Install the insert-holders into the toolholders . Verify the insert
holders are flush with the inner edge of the toolholder before
tightening the toolholder screws . Pay attention to the difference
in the depth that the two holders are installed on the twin-
cutters . The picture below shows the recommended installation .
This set up has a maximum rotor thickness at the edge of
approximately three inches (76 mm) . It is recommended to work
best for the majority of rotors, however the insert-holders may
be reversed if necessary to machine larger width rotors .
3 .
Install the micro-round inserts, using the small torx wrench .
4 .
Remove the screws securing the small backing plate on the
end of the extended cutting head's shaft using the enclosed
T-handle 5mm Allen wrench .
Image 34.
A) Remove backing plate first
5 .
Loosen the tool holder shaft locking bolt with 6mm Allen Head
wrench . Carefully remove standard twin cutter from the ACE-
model lathe .
Image 35.
A) Shift locking bolt
6 .
Insert the extended cutting head into the twin cutter carriage on
the ACE lathe .
7 .
Install extended cutting head shaft backing plate inside of the
carriage using the two Allen Head bolts previously removed .
Notice the positioning of the plate in reference to the angled
corner and the existing rivet .
Image 36.
8 .
Tighten shaft locking bolt . Installation is complete .
Image 37.
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