CAT Skid Steer Loader 299D

Note: All models except for 226D, 232D, 239D, and 249D.

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

The release latch for the guard is located on the rear of the radiator. Pull the rubber T-handle down to release the guard. Tilt the guard upward.

To raise the radiator, remove the two bolts.

Raise the radiator. As the radiator raises, the latch will move (1).

Raise the radiator until the latch moves over the catch pin (2).

To lower the radiator downward, push up on the radiator. Move the latch to unlatch the lock. Lower the radiator.

Install the two bolts to secure the radiator.

To lower the radiator guard, move the support rod to the storage position and lower the guard.

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.

Diesel Exhaust Fluid Filter - Replace

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

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

Did you remove the black plastic cover and then diesel exhaust fluid (DEF) filter assembly?

Did you install new DEF filter and replace DEF filter cap?

Diesel Fuel System Cleaner - Add

Add Cat Diesel Fuel System Cleaner every 3000 hours of engine operation.

Pour 0.95L (32 oz.) of the cleaner into a full tank of diesel fuel and operate the machine normally.

Cooling System Coolant Extender (ELC) - Add

When a Cat Extended Life Coolant is used, an extender must be added to the cooling system periodically.

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

Is the radiator cap located on the left side of the radiator (C3.3B and C3.8 engines) or the right side of the radiator (C2.2 engine)?

Slowly loosen the radiator cap in order to relieve system pressure. Remove the radiator cap.

Is it necessary to drain enough coolant from the radiator in order to allow the addition of the coolant additive?

Add 0.17 L (0.18 qt) of cooling system additive.

Inspect the radiator cap and the gasket. If the cap or the gasket is damaged, replace the cap. Install the radiator cap.

Check the coolant level in the sight gauge on the radiator. Maintain the coolant level to the top of the sight gauge with the radiator in the LOWERED position.

Cooling System Coolant Sample (Level 2) - Obtain

NOTICE: Always use a designated pump for oil sampling, and use a separate designated pump for coolant sampling.

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.

Sample of the coolant obtained from the radiator?

Note: Do not take the sample from the Coolant Overflow Reservoir.

Obtain the sample of the coolant as close as possible to the recommended sampling interval.

Submit the sample for Level 2 analysis.

Hydraulic oil tank cap removed?