CAT Skid Steer Loader 299D2

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.

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.

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

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

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.

Submit the sample for Level 2 analysis.

Hydraulic oil tank cap removed?

Access panel in the belly guard underneath the machine removed?

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.

Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

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.

If a new belt is installed, check the belt adjustment after 30 minutes of operation. A belt is considered used after 30 minutes of operation.

1. Stop the engine in order to inspect the belt.

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

3. Loosen the quarter-turn fasteners (1) on the front of the guard.

4. Remove the guard for the V-belt.

5. Inspect the condition of the belt and the adjustment of the belt. The belt should deflect 10 mm (0.39 inch) to 12 mm (0.47 inch) under a straight pull of 10 kg (22 lb). This measurement should be taken between the alternator pulley and the crankshaft pulley.

Note: A 144-0235 Borroughs Belt Tension Gauge may be used to measure belt tension. This measurement should be taken between the alternator pulley and the crankshaft pulley. Refer to the following table for belt tension.

6. Loosen the mounting bolt (4). Loosen the adjusting bolt (5).

Note: The cover for the cab air filter is on the lefthand side of the machine behind the cab.

1. Rotate the latch to free the cover from the ductwork. Do NOT use excessive force. Lift on the cover and remove the cover.

1. Turn the thumb screws until the thumb screws are free from the duct. Remove the cover.

2. Replace the element if the element is damaged or if the element seal is damaged. Replace the element if the air conditioner performance is low.