CAT + Caterpillar 992K Wheel Loader Service Repair Manual

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Product: WHEEL LOADER

Model: 992K WHEEL LOADER KK4

Configuration: 992K Wheel Loader KK400001-UP (MACHINE) POWERED BY C32 Engine

Disassembly and Assembly

854K Wheel Dozer and 992K Wheel Loader Machine Systems

Media Number -KENR5573-03

Blower Motor (Air Conditioner, Heater) - Remove and Install

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Removal Procedure

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Product: WHEEL LOADER

Model: 992K WHEEL LOADER KK4

Configuration: 992K Wheel Loader KK400001-UP (MACHINE) POWERED BY C32 Engine

Disassembly and Assembly

854K Wheel Dozer and 992K Wheel Loader Machine Systems

Media Number -KENR5573-03

Blower Motor (Air Conditioner, Heater) - Remove and Install

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Removal Procedure

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Personal injury can result from contact with refrigerant.

Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.

Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.

Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area.

Personal injury or death can result from inhaling refrigerant through a lit cigarette.

Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.

Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.

Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.

At operating temperature, the engine coolant is hot and under pressure.

Steam can cause personal injury.

Check the coolant level only after the engine has been stopped and the cooling system pressure cap is cool enough to touch with your bare hand.

Remove the cooling system pressure cap slowly to relieve pressure.

Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.

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Installation Procedure

Product: WHEEL LOADER

Model: 992K WHEEL LOADER KK4

Configuration: 992K Wheel Loader KK400001-UP (MACHINE) POWERED BY C32 Engine

Disassembly and Assembly

854K Wheel Dozer and 992K Wheel Loader Machine Systems

Media Number -KENR5573-03

Brake Accumulator - Assemble

Assembly Procedure

Date -01/01/2014 Date Updated -05/07/2017

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Product: WHEEL LOADER

Model: 992K WHEEL LOADER KK4

Configuration: 992K Wheel Loader KK400001-UP (MACHINE) POWERED BY C32 Engine

Disassembly and Assembly

854K Wheel Dozer and 992K Wheel Loader Machine Systems

Media Number -KENR5573-03

Brake Accumulator - Disassemble

Disassembly Procedure

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Personal injury can result from the sudden release of high pressure oil.

Be sure the engine has been shut off for a minimum of five minutes to be sure that the accumulator pressure is zero.

The accumulator is filled with dry nitrogen. Do not loosen or remove the valve or cap from the top of the accumulator. A purge screw at the bottom of the accumulator can be used to release the pressure that is left in the system.

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Product: WHEEL LOADER

Model: 992K WHEEL LOADER KK4

Configuration: 992K Wheel Loader KK400001-UP (MACHINE) POWERED BY C32 Engine

Disassembly and Assembly

854K Wheel Dozer and 992K Wheel Loader Machine Systems

Media Number -KENR5573-03

Brake Accumulator - Install

Installation Procedure

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Dry nitrogen is the only gas approved for use in the accumulators. The charging of oxygen gas in an accumulator will cause an explosion. An explosion can be eliminated by using nitrogen gas cylinders with standard CGA (Compressed Gas Association, Inc.) No. 580 connectors. When nitrogen gas is ordered, make sure to order the cylinders with CGA No. 580 connectors.

Do not rely on color codes or other methods of identification to tell the difference between nitrogen and oxygen cylinders. In any application, never use an adapter to connect your nitrogen charging group to a valve outlet used on both nitrogen, oxygen, or other gas cylinders. BE SURE YOU USE DRY NITROGEN (99.8% purity).