797 Off-Highway Truck Engine Supplement Engine Oil Cooler

Engine Oil Cooler - Remove

797 Off-Highway Truck Engine Supplement [RENR2035]

797 Off-Highway Truck Engine Supplement Fuel Transfer Pump - Install

797 Off-Highway Truck Engine Supplement Piston Motor (Fan Drive) - Remove and Install

COOLING SYSTEM

COOLER GP

797 Off-Highway Truck Engine Supplement Engine Oil Cooler - Remove

3524B Engine for Caterpillar Built Machines Engine Oil Cooler - Install

1.1. Removal Procedure

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	5P-4299	Plug	1
	8L-9137	Flared Cap	1
	2P-9697	Plug	6
	6J-7366	Flared Cap	6
	6V-9830	Cap As	1
	6V-9509	Face Seal Plug	1
	9U-7089	Protective Cap	2
	9U-7090	Protective Cap	4
	9U-7091	Protective Cap	2
	6V-7494	Protective Plug	2
	9U-7094	Protective Cap	2
	9U-7095	Protective Cap	6

Start By:

Remove the fuel priming pump. Refer to Disassembly and Assembly, "Fuel Priming Pump - Remove and Install".

Note: SERVICE DATA: TOOLING (A) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

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Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.

Drain the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change". The capacity of the cooling system is approximately 1192 L (315 US gal).
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Illustration 1 g00913711
Remove tube assemblies (1).
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Illustration 2 g00913712
Remove tubes (2).
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Illustration 3 g00913714
Disconnect hose assembly (3) from engine oil cooler (4).
Cut cable straps (7) and lay harness assembly (6) to the side.
Remove tube assembly (5) from engine oil cooler (4) and power train oil cooler (8).
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Illustration 4 g00913716
Remove tube assemblies (9) from the engine.
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Illustration 5 g00913717
Remove hose assemblies (10) from engine oil cooler (4).
Remove tube assembly (11) from the engine.
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Illustration 6 g00913719
Remove elbow (12) and the O-ring seals from engine oil pump (13).
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Illustration 7 g00913720
Remove tube assembly (14) and the O-ring seals from engine oil pump (13).
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Illustration 8 g00913721

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Illustration 9 g00913722

This view is underneath the engine.

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Illustration 10 g00913724

This view is on the left side of the engine.
Remove tube assembly (15) from engine oil cooler (4).
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Illustration 11 g00913725
Attach a suitable lifting device to engine oil cooler (4).
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Illustration 12 g00913727

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Illustration 13 g00913729
Remove bolts (16) in order to remove engine oil cooler (4). The weight of engine oil cooler (4) is approximately 82 kg (180 lb).