57
General Information
General Information
Driven Disc
Eaton offers a variety of 14" and 15.5" driven disc designs. The
selection of driven discs depends on many factors.
Excessive torsional vibration can significantly reduce the life
of all drivetrain components. That
’
s why Eaton has engineered
soft-rate dampers to reduce critical vibrations in today
’
s elec-
tronic, high horsepower engines. Eaton recommends the use
of soft-rate dampers (7-spring or VCT Plus) for all vehicles
over 1,000 lb-ft.
Specifically, Eaton offers driven discs with different numbers
of springs in the center section of the damper. 7, 8, 9 and 10-
spring configurations are available. The proper selection
depends on many factors including the engine, flywheel and
transmission of the vehicle.
Facings
The disc facings are critical to clutch life and performance
because they directly receive the torque of the engine each
time the clutch is engaged.
In general, ceramic facings have greater heat tolerance and
torque capacity than organic facings. As such, they engage
quicker, reduce slippage and deliver longer life.
Organic facings (non-asbestos) are adequate for lower horse-
power, on-highway applications. However, Eaton recom-
mends ceramic facings for most applications.
Intermediate Plate
The intermediate plate or center plate, increases the torque
capacity of the clutch by providing additional surface area for
facing material and torque capacity. The intermediate plate is
driven by the clutch cover or by the flywheel on the 14" Easy-
Pedal Plus design.
Positive Separator Pin™
Eaton
’
s Positive Pin Separator improves clutch life and perfor-
mance by providing cooler operation, smoother engagement
and equal plate separation. The pin restricts intermediate plate
movement when the clutch is released, giving constant gap
on both sides of the plate, therefore, allowing the driven discs
to spin freely.
6-Position Kwik-Adjust®
Eaton
’
s Easy-Pedal Plus® 14" and Easy-Pedal ™ 2000 15.5"
Clutches feature the Kwik-Adjust component and the easy-to-
reach external manual adjustment mechanism that allows for
quick adjustment of release bearing travel without the use of
special tools or the need to remove any bolts. Using a com-
mon box end wrench, simply depress the Kwik-Adjust bolt
and turn the standard 6-point hex head adjustor as needed.
Clutch Brakes
Clutch brakes are designed to extend the life of a vehicle
’
s
transmission by eliminating damaging gear clash while reduc-
ing the effort required to shift into first or reverse from a
standstill. Eaton offers two separate clutch brake options.
•
Torque Limiting
•
Kwik-Konnect®
Torque Limiting Clutch Brake
The Eaton Torque Limiting Clutch Brake has a self-contained
torque limiting feature which prevents tang breakage from
driver misuse of the clutch brake.
•
Part Number 127740: 1.75" spline
•
Part Number 127760: 2" spline
Kwik-Konnect® Two-Piece Clutch Brake
The two-piece clutch brake provides cooler operation than
competitive clutch brakes. It is designed for service applica-
tions, and can be quickly installed without removing the trans-
mission.
Part Number: 1254
8
9
Part Number: 127200
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