Caterpillar Skid Steer Loader 252B3

1. Remove the filler plug for the right side drive chain case. The oil level should be at the bottom of the threads on the fill port. If necessary, refer to Operation and Maintenance Manual, “Drive Chain Case Oil - Change” for the proper procedure to add oil.

2. Apply 169-5464 Quick Cure Primer and 5P-3413 Pipe Sealant to the threads on the filler plug. Install the filler plug.

3. Repeat the process for the left side drive chain case.

Drive Chain Tension - Check/Adjust

Note: Steel tracks that go over the tires should only be used with pneumatic tires. When you use steel tracks that go over tires or any drive train device except tires, the interval for checking the drive chains should be reduced to every 100 Service Hours. The use of rubber tracks that go over the tires is not recommended.

Note: There are four drive chains on the skid steer loader that must be checked and adjusted.

1. Park the machine on level ground and stable ground.

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 age of new seat belt exceed install by date on label?

Complete seat belt system should be installed with new mounting hardware

Fuel timing specification is correct?

Selection of the Oil Change Interval

Criteria for 4000 hour interval

Procedure for Changing the Hydraulic Oil

Steps for changing the hydraulic oil

Sign off on the maintenance procedure

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: Always use a designated pump for oil sampling, and use a separate designated pump for coolant sampling. Using the same pump for both types of samples may contaminate the samples that are being drawn. This contaminate may cause a false analysis and an incorrect interpretation that could lead to concerns by both dealers and customers.

Coolant sample obtained from the radiator?

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

Sample obtained as close as possible to the recommended sampling interval?

Upload the coolant sample for Level 2 analysis

Sign off on the coolant sample collection

Position one final drive so that the oil fill/drain plug is at the bottom

Remove the oil plugs and allow the oil to drain into a suitable container

Check the drained oil for large metal chips or a significant number of metal particles

Clean the plugs and inspect the plugs. Replace a worn plug or a damaged plug

Position the final drive so that the oil fill/drain plug is at the top

Add oil through the opening of the oil fill/drain plug that is now at the top

Fill the final drive to the bottom of the opening for the oil check plug

Install the two oil plugs. Tighten the oil plugs to a torque of 27 ± 1 N·m (20 ± 0.7 lb ft)