TAP-M16 X 2 4C9732 - Caterpillar

Industrial EngineC7.1 (S/N: 7701-2275; 8811-2258; G9R1-3835)Material HandlerMH3037 (S/N: JPB1-505)Introduction
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.A 482-3187 Electric Starting Motor Gp and a 488-0985 Electric Starting Motor Kit for the C7.1 engine has been introduced.The new 482-3187 Electric Starting Motor Gp has been introduced and replaces 382-5901 Starting Motor. The new electric starting motor is an improved design.Safety Section
Accidental engine starting can cause injury or death to personnel working on the equipment.To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.Place a Do Not Operate tag at the Start/Stop switch location to inform personnel that the equipment is being worked on.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Required Parts
Table 1
Required Parts
Part Number Description Qty
488-0985 Electric Starting Motor Kit 1 Removal and Inspection Procedure for Electric Starting Motor and Flywheel Ring Gear
Turn the battery disconnect switch to the OFF position. Refer to the machine Operation and Maintenance Manual, "Battery or Battery Cable - Disconnect" or the Original Equipment Manufacture (OEM) for the correct procedure.
If necessary, remove any panels or covers to gain access to the electric starting motor. Refer to the Operation and Maintenance Manual or the Original Equipment Manufacture (OEM) for the correct procedure.
Remove the electric starting motor. Refer to the Disassembly and Assembly, "Electric Starting Motor - Remove and Install" for the correct procedure.
Illustration 1 g03896208
Normal Wear
Illustration 2 g03896209
Normal to Moderate Wear
Illustration 3 g03896212
Heavy wear
Illustration 4 g03896213
Extreme heavy wear
Illustration 5 g03896243
Flywheel ring gear replacement required
Inspect the flywheel ring gear for damage. Rotate the engine with a suitable tool to inspect the circumference of the flywheel ring gear. Compare the flywheel ring gear wear to the Illustrations below:Note: There will be a concentration of wear at 180° apart on C7.1 engines.Refer to Illustrations 1Refer to Illustrations 2Refer to Illustrations 3Refer to Illustrations 4Refer to Illustrations 5
If necessary, replace the flywheel ring gear. Refer to Disassembly and Assembly, "Flywheel - Remove" and Disassembly and Assembly, "Flywheel - Install" for the correct procedures.
Illustration 6 g06211913
Remove stubs (2) from flywheel housing (1) that are used to retain the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install" for the correct procedure.Installation Procedure
Ensure that all components are free from wear and damage.
Illustration 7 g06211913