TUBE 3149517 - Caterpillar

Cab Air Filters
Clean the Air Filters
When using pressure air for cleaning, wear a protective face shield, protective clothing and protective shoes.Maximum air pressure must be less than 205 kPa (30 psi) for cleaning purposes.
Clean and replace filters when a reduction of air circulation is observed.Remove and Clean the Recirculation Filter
1. Tilt the seat backrest forward. Loosen the two screws and remove the cover. 2. Remove the recirculation filter element. Wash it in clean water and household detergent. Rinse thoroughly with clear water, and blow dry with pressure air. 3. Reinstall the cleaned filter. Replace the cover and tighten the bolts.Fresh Air Filter Element
1. Loosen the screws on the filter element access cover. Open the door. 2. Remove the filter. See "Cleaning Fresh Air Element" below.3. Reinstall the filter. Close and secure the access door.Cleaning Fresh Air Element
Do not clean the element by bumping or tapping.Inspect the element after cleaning. Do not use an element with damaged gaskets or seals.When cleaning with water pressure, use 280 kPa (40 psi) maximum pressure to prevent element damage.
Element can be cleaned with air pressure or water pressure. Air pressure cleaning is preferred, for extended filter wear. Replace the element when it starts to deteriorate.Air Pressure - 205 kPa (30 psi) Maximum
1. Direct air along the pleats of the element on both sides.2. Inspect the element after cleaning.Water Pressure - 280 kPa (40 psi) Maximum
1. Direct water along the pleats of the element on both sides.2. Air dry and inspect the element.Cutting Edges and End Bits
Change Edges and Bits
1. Raise the blade and place blocking under it. Lower the blade to the blocking.Do not block the blade any higher than necessary to remove the cutting edge or the end bits. 2. Remove the cutting edge and the end bit bolts. Remove the cutting edge and the end bits.3. Clean the contact surfaces.4. Use the opposite side of the cutting edge if not worn. Install a new section if both edges are worn. 5. Install the new end bits.6. Reinstall the bolts and tighten to the specified torque. (See "Ground Engaging Tool Bolt Torques" chart.) 7. Raise the blade and remove the blocks.8. Lower the blade to the ground.9. After a few hours of operation, retighten the bolts to the proper torque.Ripper Tip and Shank Protector
Change the Tip and Protector
Retainer pins, when struck with force, can fly out and cause injury to nearby people.Make sure the area is clear of people when driving retainer pins.To avoid injury to your eyes, wear protective glasses when striking a retainer pin.
Replace the ripper tip and/or shank protector when worn close to the shank. 1. Raise and support the ripper. 2. If the shank protector is worn, drive the pins out and remove the protector and the pin retainer.3. If ripper tip is worn, drive the pin out and remove the tip and the pin retainer.4. Clean the shank, pin retainer and pins. 5. Install the pin retainer and the new tip and/or protector.6. Install the pins in