814971M Mariner PLATE

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
The engine may overheat on the machines listed above. The reversing fan equipped on the machine may not function properly, which leads to the engine overheat.When the engine overheats, the active event codes in Table 1 are displayed.
Table 1
Event Codes
Code Warning Level Description
E361 1 Engine Coolant Temperature : High - least severe
E361 2 Engine Coolant Temperature : High - moderate severity
E361 3 Engine Coolant Temperature : High - most severe Reports have been received that the fan is not running at the maximum speed (600 rpm/1349 rpm), and also received complaints of fan running at maximum speed but still results in engine overheat.Solution
Caterpillar is aware of this problem, but an interim repair has not been defined.
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
When removing a major component or attachment, ensure that it is properly blocked or secured before removing mounting hardware. An assembly that is disconnected without proper blocking may shift or fall, resulting in serious injury or death of personnel or machine damage.
Personal injury or death can result from sudden movement.Prevent possible injury by performing the following procedures before work begins:Move the product or equipment to a smooth, level surface.When applicable, lower equipment/work tools to the ground.Engage the parking brake, system brakes and/or hydraulic lockout control. When applicable, stop the engine and remove the ignition key.Release system pressure from pressurized systems.If applicable, block the wheels/tracks.Turn the battery disconnect switch to the OFF position and if applicable, remove the battery disconnect key. If not equipped with a battery disconnect switch, disconnect the battery cables from the battery and tape the battery clamps. Attach a “Do Not Operate” or similar warning tag at the battery disconnect switch location and as defined by site rules and/or local regulations.
Illustration 1 g06276183
Do not operate the machine if any guards or covers are missing or inadequately secured. Personnel could be seriously injured or machine damage may occur.
Table 2
Required Tools
Qty Part Number Part Name
1 - 1'' socket
1 - 1''1/4 hex socket
1 - 5/8 hex socket
1 - 36.5 mm hex socket If the engine overheats, provide the following information to your Dealer Technical Communicator (TC).
Illustration 2 g06597987
(A) Gear motor group
Provide gear motor group (A) serial number and part number.
Illustration 3 g06597998
(B) Harness assembly
Provide picture of harness assembly (B) routed to both the solenoids (speed control and reverse).Note: Step 2 is to check the harness pin color and to assure that the harness is properly assembled.
Illustration 4 g06598001
(C) Hose assembly
Provide picture of hose assemblies (C) connection to the gear motor group.Note: Step 3 is to check which hose is coming from the fan pump and where is connected to the motor.
Run the fan calibration with Cat® Electronic Technician (ET).Provide screenshots of various steps followed during calibration to monitor the current, temperature, and engine speed.Note: Step 4 is to