CAT Skid Steer Loader 242D

1. Stop the engine to replace 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 belt protection guard, and remove guard to access belt.

4. Loosen the mounting bolt and adjusting bolt, decrease tension in belt.

6. Install new belt. Be sure that the belt is fully seated on the pulleys.

7. Move the alternator until the correct tension 534 ± 22 N·m (120 ± 5 lb) is reached.

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.

Air Conditioner Condenser - Clean

Personal injury can result from air pressure.

Personal injury can result without following proper procedure. When using pressure air, wear a protective face shield and protective clothing.

Maximum air pressure at the nozzle must be less than 205 kPa (30 psi) for cleaning purposes.

The air conditioner condenser is attached to the engine access door.

Note: Blow compressed air through the core in the opposite direction of air flow to clean condenser.

Single Level Suspension (SLS) undercarriage

Dual Level Suspension (DLS) undercarriage

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.

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. Refer to the Maintenance Section, “Cab Tilting” for the procedure.

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

Install new DEF filter. Replace DEF filter cap.

Tilt the cab downward. Refer to Maintenance Section, “Cab Tilting” for the procedure.

Warning: Fingers can be burned from hot pins and bushings. The pins and bushings in a dry joint can become very hot. It is possible to burn the fingers if there is more than brief contact with these components.

Use the recommendations to extend the life of the undercarriage. Use the recommendations to avoid excessive downtime.

During the machine operation, listen for unusual squeaking and for unusual squealing. This noise can indicate a dry joint.

Check the machine for dry joints weekly. Check for dry joints immediately after machine operation.

After machine operation, lightly touch the end of each track pin or bushing. Touch the track pin or the track bushing with the back of your hand. Make a mark on any dry track pin joint that is hot to the touch.

Consult the Custom Track Service expert at any Cat dealer if you detect dry joints or leaks. The Custom Track Service expert at the Cat dealer can perform track inspection.

Sign off on the 50 Hourly Skid Steer Loader Maintenance