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I & M BULLETIN
CMCCU-004
BASIC CONTROLLER
Page 2 of 2
Electronic equipment is potentially dangerous and should be installed by a trained
professional. To avoid any electrical malfunction, the user should disconnect the
wiring harness from the controller when welding on the equipment. Failure to do so
may result in loss of controller warranty.
The Microprocessor Controller provides
remote push button controlled clutch
engagement of the HPTO. The controller
is capable of monitoring clutch pressure,
engine speed, and an equipment safety
switch. The controller features an ISO
standard symbol display with LED’s that
light to indicate system conditions.
INSTALLATION INSTRUCTIONS
Refer to the wiring diagram provided for all
electrical connections. PT Tech can
provide the wiring harness as an option to
the customer. Contact PT Tech Sales for
this part number. The customer must
supply all electrical wire splice connectors.
1. The microprocessor controller must be
connected to either a 12 or 24 Volt DC
power source (battery). ATTENTION:
there is either a 12 Volt or 24 Volt DC
coil installed in the hydraulic
manifold. The voltage markings of
the coil MUST match the voltage of
the system. If coil voltage does not
match the voltage source, contact
PT Tech prior to installation.
ATTENTION: IN THE EVENT OF AN
EQUIPMENT EMERGENCY E-STOP,
POWER MUST STILL BE SUPPLIED TO
THE CONTROLLER.
2. Install the ‘zero crossing’ speed pickup
into the bottom of the clutch housing in
the 3/8-16 UNF threaded hole.
ATTENTION: make sure there is a
flywheel tooth directly centered in
the hole. Then screw in the speed
pickup until it stops, and then
backed out 3 turns. While tightening
locknut, make sure that the speed
pickup does not move.
3. The
Manifold Assembly has been
preinstalled on the HPTO Clutch at the
factory. Do not remove the manifold
without consulting PT Tech.
See
manifold drawing provided for hose
fitting sizes and connection locations.
4. Shielded wire must be used to connect
the controller to the speed pickup
located on the bottom of the HPTO bell
housing.
ATTENTION: The shielded
drain wire should be connected to
the controller thru pin #11 only and
not grounded or connected at the
speed pickup.
5. There are 3-dials on the back of the
controller. These dials must be set to
correctly match the tooth count of the
flywheel ring gear.
Note: they should
be preset at the factory to match the
HPTO unit. If they are set at “000”
then they must be changed prior to
initial startup.
See below for example.
HPTO 8 – has 72 teeth.
HPTO10 – has 72 teeth.
HPTO 12 – has 59 teeth.