KIT-GASKET 6V6415 - Caterpillar

1. Remove air governor from air compressor. Remove air line (1) from body (11).2. Put a mark (A) on cover (4) and body (11) so the cover can be installed on the body in the correct location.3. Measure the distance from cover (4) to the top of screw (5) and make a record of the measurement. Loosen the locknut and remove screw (5).4. Remove four screws (2), identification tag (3), cover (4), spring (6) and spring seat (7).5. Remove nut (8), plunger (10) and diaphragm (9) as a unit.6. A rod with a diameter of .12 in. (3.05 mm) put in the hole in plunger (10) is used to hold the plunger when nut (8) is removed.7. Remove screw (17) and exhaust diaphragm (16).8. Remove exhaust nut (14), spring (15), exhaust valve (12) and spring retainer (13).9. Clean all of the parts and the passages in body (11) and plunger (10).Assemble Air Governor
1. Install seal (12) on plunger (11).2. Put new soft washer (10), follower (9), new diaphragm (8), follower (7), spring guide (5) and new nut (6) on plunger (11). The diaphragm is between the chamfered sides of followers (7) and (9).3. A rod with a diameter of .12 in. (3.05 mm) put in the hole in plunger (11) is used to hold the plunger when nut (6) is tightened.4. Lubricant is put on plunger (11) and in body (13). Install plunger in body.5. Install spring seat (3) in spring (4) and put them on spring guide (5).6. Install cover (2) over spring seat (3) and spring (4). Mark (A) on cover (2) must be in alignment with mark (A) on body (11) when the four lockwashers and screws in the cover are tightened. The governor identification tag is under one of the four screws.7. Install screw and nut (1) in cover (2). Make an adjustment for the length of the screw to get the same measurement before the screw was removed from the cover.8. Install screw and diaphragm washer (20) and new exhaust diaphragm (19) on exhaust nut (18).9. Install spring (17), spring retainer (16) and new exhaust valve (15) in exhaust nut (18).10. Install washer (14) and exhaust nut (18), spring retainer and spring in body (13). Install air governor and air line on air compressor.