CLIB0026

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Service Bulletin - Process
SUPPORT
Powering Business Worldwide
Subject: Updated Heavy-Duty Solo Clutch In-Vehicle Resetting Procedure
Document Number: CLIB0026
Updated: May 28 , 2013
Date: February 11, 2013
Issue Description:
The Eaton Heavy-Duty Solo Clutch Technical Support Team worked with truck
dealership technicians to identify confusion with the current published process of the
product's In-Vehicle Resetting Procedure.
The In-Vehicle Resetting Procedure for Heavy-Duty Solo Clutch published in the Eaton
Heavy-Duty Clutch Service Manual, CLSM0200 (May 2012) , has been reviewed .
Changes to CLSM0200 are scheduled for 02 of 2013 and will include the procedure
outlined in this bulletin . Technicians are encouraged to use this procedure if they need
to reset an Eaton Heavy- Duty Solo Clutch .
Revised Process:
The following process should improve the resetting experience if there is a need to reset
an Eaton Heavy-Duty Solo Clutch . If additional assistance is required with resetting ,
please contact the Roadranger Support Line at 1-800-826-HELP (4357) or your local
Eaton Roadranger Service Representative.
Page 1 of 4
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Service Bulletin - Process
Solo Advantage
Self-Adjusting Clutches
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Install (4) shipping bolls and progressively tighten
until they bottom out.
,& Caution: Only use hand tools to tighten
shipping bolts. Do not use air tools.
Rotate the engine to access all 4 bolts:
• 15 1/2" Solo use 7/16x 14 UNC x 1 3/4
• Stamped 14" Solo use 3/8 x 16 UNCx 1 1/4
Note: This will reset the pressure plate separator
sleeves and allow the clutch to release after installation.
0
Removethe (4) shipping bolts. The release bearing and
sleeve will move forward towards the engine when the
bolts are removed. The Solo is now In the new position.
Note: If the procedure was performed correctly, the gap
between the release bearing and clutch brake should be
about 0.750 inches.
G With the free pedal removed push the clutch pedal down
at least 5 times. Make sure the clutch release bearing
contacts the clutch brake.
Nole: For mechanical linkage, while engaging and
releasing the clutch, the cab free pedal will Increase.
This indicates the Solo is adjusting to the environment.
Note: For hydraulic linkage, be sure to stroke the clutch
pedal all the way to the floor, ensuring that the release
bearing Is being stroked far enough for the clutch to
make an adjustment. With a hydraulic release system
there will be no change in free pedal when the Solo
clutch makes an adjustment.
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Measure the distance between the clutch brake and the
release bearing. It should be between 0.490 ' and 0.590 '.
If the release bearing travel is still greater than 0.590'
between the clutch brake and the release bearing,
repeat Steps 7 and 8.
(D) For mechanical linkages, adjust the clutch linkage to
achieve 1/8" clearance between the release yoke and
the release bearing. Verify proper clutch brake
squeeze.
Page 3 of 4
Shipping Bolls
Service Bulletin - Process
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Solo Advantage
Self-Adjusting Clutches
Verify Clutch Brake Squeeze
AwARNING
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Use a gauge long enough to keep
hands away from moving parts.
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@
Have an assistant insert 0.010" (0.25 mm)
feeler gauge between the release
bearing and the clutch brake.
Press the pedal down to the floor to
clamp the gauge:
• If the gauge does not clamp, readjust
the truck linkage and move the yoke
finger closer to the bearing.
Slowly let up on the pedal and
measure the pedal position at the
moment the gauge can be removed:
• If pedal Is more than 1· (25.4 mm)
from the floor, readjust the truck
linkage to move the yoke fingers
further from the release bearing.
Repeat Step 1.
~
0
Less than 1"
(25 .4 mm)
The material contained in this bulletin is product improvement information. Eaton is not committed to, or liable for,
FSUD: 2012-FSUD-1964
canvassing existing products.
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