CONTROL A-GOV 4W5790 - Caterpillar

Improper operation, lubrication, maintenance or repair of this product can be dangerous and could result in injury or death.Do not operate or perform any lubrication, maintenance or repair on this product, until you have read and understood the operation, lubrication, maintenance and repair information.
Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.The hazards are identified by the “Safety Alert Symbol” which is followed by a “Signal Word” such as “DANGER”, “” or “CAUTION”. Refer to Illustration2 for an example of a “” Safety Alert Symbol.
Illustration 2 g00008666This safety alert symbol means:Pay Attention!Become Alert!Your safety is Involved.The message that appears under the safety alert symbol explains the hazard.Operations that may cause product damage are identified by "" labels on the product and in this publication.Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The safety information in this document and the safety information on the machine are not all inclusive. Determine that the tools, procedures, work methods, and operating techniques are safe. Determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, determine that the operation, lubrication, maintenance, and repair procedures will not make the machine unsafe.The information, the specifications, and the illustrations that exist in this guideline are based on information which was available at the time of publication. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete, most current information before you start any job. Caterpillar dealers can supply the most current information.Summary
This document was developed to provide visual guidelines for inspection of the clutch reaction splines in the aluminum transmission cases. Some wear on the spline teeth is a result of normal operation. If reusability is a concern, contact the Caterpillar DSN for guidance before replacing the transmission case.Service Letters and Technical Information Bulletins
The most recent Service Letters and Technical Information Bulletins that are related to this component shall be reviewed before beginning work. Often Service Letters and Technical Information Bulletins contain upgrades in repair procedures, parts, and safety information that pertain to the parts or components being repaired.
Transmission Case Wear Inspection
Illustration 3 g06021827
Material transfer present on teeth.
DO NOT REUSE THE CASE
Illustration 4 g06021830
Wear extended past the tooth tip radius, rough gouges on the teeth, and material missing from the teeth.
DO NOT REUSE THE CASE
Illustration 5 g06021832
Wear steps or grooves, and sharp corners forming on the teeth.
DO NOT REUSE THE CASE
Illustration 6 g06021836
Smooth, even wear
REUSE THE CASE
Illustration 7 g06021839
Minimal wear on teeth
REUSE THE CASE
Illustration 8 g06021841
No wear on teeth.
REUSE THE CASE
Illustration 9 g06021842
No wear steps present.
REUSE THE CASE