CAT Skid Steer Loader 226D

Diesel Exhaust Fluid Filter - Replace

Ensure that the engine is stopped before any servicing or repair is performed.

Ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product.

Dispose of all fluids according to local regulations and mandates.

The DEF filter is located on the left side of the machine under the cab. Tilt the cab upward.

Remove the black plastic cover and then diesel exhaust fluid (DEF) filter assembly.

Install new DEF filter. Replace DEF filter cap.

Diesel Fuel System Cleaner - Add

Is the date of installation label present on the seat belt?

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

Age of new seat belt before installing on seat

Do not exceed install by date on label

Complete seat belt system should be installed with new mounting hardware

Date of installation labels should be marked and affixed to the seat belt retractor and buckle

Warning: Pressurized system: Hot coolant can cause serious burn. To open cap, stop engine, wait until radiator is cool. Then loosen cap slowly to relieve the pressure.

NOTICE: Mixing ELC with other products will reduce the effectiveness of the coolant. This could result in damage to cooling system components.

If Caterpillar products are not available and commercial products must be used, make sure they have passed the Caterpillar EC-1 specification for premixed or concentrate coolants and Caterpillar Extender.

Note: The machine was shipped from the factory with Extended Life Coolant (ELC) in the cooling system.

For information about the addition of Extender to your cooling system, see the Operation and Maintenance Manual, “Cooling System Coolant (ELC) Extender - Add” or consult your Cat dealer.

Drain the coolant whenever the coolant is dirty or whenever the coolant is foaming.

The radiator cap is located under the radiator guard on the top of the engine compartment.

Allow the machine to cool before you change the coolant.

Open the engine access door and raise the radiator guard.

Inspect the track visually for damage or missing fasteners

Replace any grousers that are damaged

Replace any fasteners that are missing

Loosen the greaser with an appropriate wrench or socket to relax the tension on the track

Tighten the greaser to tighten the tension on the track

Apply grease to the greaser until the proper tension is achieved

Engine Crankcase Breather - Replace

Note: Only applies to engines with aftertreatment.

Open the engine access door. Refer to Operation and Maintenance Manual, “Access Doors and Covers”.

Tilt the radiator upward. Refer to Operation and Maintenance Manual, “Radiator Tilting”.

The breather is located in the engine compartment on the right-hand side of engine. There is cap on the breather and a replaceable element inside.

Note: This service may be performed without removing the housing from the engine.

Remove the breather cap and remove the filter element.

Note: The C2.2 and C3.3B are equipped with cap on bottom portion of the canister. Use a wrench to remove the breather cap. The C3.8 is equipped with cap on top of canister, remove cap by applying downward pressure on the cap while turning.

Clean the housing and the cap for the breather.