VALVE AS-CHECK 4903290 - Caterpillar

Literature Information
The operation and maintenance manual should be stored in the operator's compartment in the literature holder or seat back literature storage area.The operation and maintenance manual contains safety, operation, transportation, lubrication and maintenance information.Some photographs or illustrations in the operation and maintenance manual show details or attachments that can be different from your machine. Guards and covers might have been removed for illustrative purposes.Continuing improvement and advancement of product design might have caused changes to your machine which are not included in the operation and maintenance manual. Read, study and keep the operation and maintenance manual with the machine.Whenever a question arises regarding the machine, or the operation and maintenance manual, please consult any Caterpillar dealer for the latest available information.Safety
The Safety Section lists basic safety precautions. In addition, this section identifies the text and locations of warning signs used on the machine.Read and understand the basic precautions listed in the Safety Section before operating or performing lubrication, maintenance and repair on the machine.Operation
The operation information is a reference for the new operator and a refresher for the experienced one. This information includes a discussion of gauges, switches, machine controls, attachment controls, transportation and towing information.Photographs and illustrations guide the operator through correct procedures of checking, starting, operating and stopping the machine.Operating techniques outlined in the operation and maintenance manual are basic. Skill and techniques develop as the operator gains knowledge of the machine and its capabilities.Maintenance
The Maintenance Section is a guide to equipment care. The illustrated, step-by-step instructions are grouped by servicing intervals. Items without specific intervals are listed under When Required topics. Items in the Maintenance Intervals chart are referenced to detailed instructions that follow.Maintenance Intervals
Use the service hour meter to determine servicing intervals. Calendar intervals shown (daily, weekly, monthly, etc.) can be used instead of service hour meter intervals if they provide more convenient servicing schedules and approximate the indicated service hour meter reading. Recommended service should always be performed at the interval that occurs first.Under extremely severe, dusty or wet operating conditions, more frequent lubrication than is specified in the Maintenance Intervals chart might be necessary.Perform service on items at multiples of the original requirement. For example, at Every 500 Service Hours or 3 Months, also service those items listed under Every 250 Service Hours or Monthly and Every 10 Service Hours or Daily.Machine Description
This machine is equipped with a 3306 diesel engine. It has a four speed transmission and is designed primarily for moving material.California
Proposition 65 Warning
Diesel engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm.