105952-1004 ZEXEL 9 420 611 412 BOSCH ACTUATOR 9420611412 1059521004 1157707803

This guide contains operation instructions and lubrication and maintenance information.The operation section is a reference for the new operator and a refresher for the experienced one. Read - study - and keep it handy.Illustrations guide the operator through correct procedures of checking, starting, operating and stopping the engine.The maintenance section is a guide to equipment care. The illustrated, step-by-step instructions are grouped by servicing intervals. Items in the "Lubrication and Maintenance Chart" are referenced to the detailed instructions that follow.Use the service meter to determine servicing intervals. Calendar intervals shown may be used instead of service meter intervals if they provide more convenient servicing schedules and approximate the indicated service 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 "Lubrication and Maintenance Chart" may be necessary.Perform service on items at multiples of the original requirement. For example, at Every 500 Service Meter Units, also service those items listed under Every 250 Service Meter Units, Every 50 Service Meter Units and Every 10 Service Meter Units.Some photographs in this publication show details or attachments that may be different from your engine. Also, guards and covers may have been removed for illustrative purposes.Continuing improvement and advancement of product design may have caused changes to your engine which are not included in this publication.Each publication is reviewed and revised, as required, to update and include these changes in later editions.Whenever a question arises regarding your engine or this publication, please consult your Caterpillar dealer for the latest available information.Engine Identification
Caterpillar engines are identified with SERIAL NUMBERS and ARRANGEMENT NUMBERS. In some cases MODIFICATION NUMBERS are also used. These numbers are shown on the serial number plate mounted on the engine.Caterpillar dealers need all of these numbers to determine which components were included on the engine when it was assembled at the factory. This permits accurate identification of replacement part numbers.Ordering Parts
Quality Caterpillar replacement parts are available from Caterpillar dealers throughout the world. Their parts stocks are up to date and include all parts normally required to protect your investment in Caterpillar engines. When ordering parts, your order should specify the quantity, part number, part name and serial number, arrangement number and modification number of the engine for which the parts are needed. If in doubt about the part number, please provide your dealer with a complete description of the needed item.