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COVER AS 4646438 - Caterpillar



4646438 COVER AS Caterpillar parts COVER
Rating:
81
Alternative (cross code) number:
CA4646438
464-6438
4646438
Caterpillar 4646438 COVER AS
Weight: 6 pounds 3 kg.

Buy COVER AS 4646438 Caterpillar genuine, new aftermarket tractor parts with delivery

Number on catalog scheme: 3
 
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Information:

Probable Causes
Batteries
Battery cables
Starting circuit
Starting motor solenoid
Shutdown switch
Prelubrication system (if applicable)
Faulty crank enable switch (if applicable)
Starting motor
Flywheel ring gear
Transmission (if applicable)
Engine accessories
Hydraulic cylinder lock
Internal engine problemRecommended Actions
Batteries and/or Battery Cables
Inspect the main power switch, battery posts, and battery cables for loose connections and for corrosion. If the battery cables are corroded, remove the battery cables and clean the battery cables. Tighten any loose connections.
Inspect the batteries.
Charge the batteries. Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
Test the batteries with a load. Refer to Special Instruction, SEHS9249, "Use of 4C-4911 Battery Load Tester for 6 V, 8 V, and 12 V Lead Acid Batteries". Starting Motor Solenoid or Starting Circuit
Test the operation of the starting motor solenoid.
Check the wiring to the starting motor solenoid. Shutdown Switch
Use Cat ET to monitor the status of the engine. Check the status of engine shutdowns that are "ACTIVE" due to shutdown switches. Determine the cause for the engine shutdown and take the necessary action in order to resolve the shutdown.Prelubrication System (if applicable)
If equipped, inspect the prelubrication system for proper operation.Crank Enable Switch (if applicable)
Ensure that the crank enable switch is not faulty.Starting Motor or Flywheel Ring Gear
Test the operation of the starting motor.
Inspect the pinion for the starting motor and the flywheel ring gear for damage. Transmission (if applicable) or Engine Accessories
Ensure free movement of the driveline.
Remove any engine accessories that may lock up the engine and inspect any engine accessories that may lock up the engine. The following list illustrates examples of engine accessories that may lock up the engine:
Hydraulic pump that is driven from the rear gear group
Air compressor
Engine oil pump
Other components that are driven by the engineHydraulic Cylinder Lock
Check for fluid in the cylinders (hydraulic cylinder lock) by removing the individual unit injectors.Note: Drain the fuel from the cylinder head. Fuel will flow from the cylinder head into the cylinders when the unit injector is removed.Internal Engine Problem
Disassemble the engine. Refer to the Disassembly and Assembly manual. Inspect the internal components for the following conditions:
Seizure
Broken components
Bent components

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