Caterpillar Industrial Engine C4.4

Is the date of installation label present?

If the date of installation label is missing, replace belt within 3 years from the year of manufacture.

Year of manufacture as indicated on belt webbing label, buckle housing, or installation tags

Consult your Cat dealer for the replacement of the seat belt and the mounting hardware.

Does the new seat belt exceed the install by date on label?

Complete seat belt system should be installed with new mounting hardware.

WARNING: Personal injury can result from hot coolant, steam and alkali.

NOTICE: Do not change the coolant until you read and understand the cooling system information in Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations”.

NOTICE: Mixing ELC with other products will reduce the effectiveness of the coolant.

Note: This machine was filled at the factory with Caterpillar Extended Life Coolant.

Unlatch the engine hood and raise the engine hood.

Slowly loosen the pressure cap that is on the radiator in order to release pressure from the cooling system.

Remove the access cover that is underneath the radiator.

Open the drain valve and allow the coolant to drain into a suitable container.

Air Conditioner/Cab Heater Filter (Recirculation) - Inspect/Replace

An air recirculation filter element plugged with dust will result in decreased performance and service life to the air conditioner or cab heater.

To prevent decreased performance, clean the filter element, as required.

The air conditioner filter is located on the lower left side of the cab behind the seat.

1. Slide the operator seat forward.

2. Slide the filter element upward.

3. Tap the air filter against the palm of one’s hand in order to remove the dirt. Do not use compressed air to clean the filter.

4. After you clean the filter element, inspect the filter element. If the filter element is damaged or badly contaminated, use a new filter element. Make sure that the filter element is dry.

Oil Filter (Hydraulic Hammer) - Replace

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

Steps to replace the oil filter

Reference: For the correct procedure, refer to Operation and Maintenance Manual, “Hydraulic System Oil Level - Check”.

Sign off on the oil filter replacement

Cooling System Coolant Sample (Level 2) - Obtain

Refer to Operation and Maintenance Manual, “Cooling System Coolant Sample (Level 1) - Obtain” for the guidelines for proper sampling of the coolant.

Obtained the sample of the coolant as close as possible to the recommended sampling interval?

Supplies for collecting samples can be obtained from your Cat dealer.

Sample submitted for Level 2 analysis?

For additional information about coolant analysis, refer to Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations” or consult your Cat dealer.

Sign off on the coolant sample collection and analysis