CONTROL GP-JOYSTICK 1879973 - Caterpillar

Track-Type Tractor:
D6R (S/N: 1RW1-UP; 2HM1-UP; 2YN1-UP; 3ZN1-UP; 4FM1-UP; 4HN1-UP; 4JR1-UP; 4MN1-UP; 4TR1-UP; 4WR1-UP; 5LN1-UP; 5PR1-UP; 5RR1-UP; 6FR1-UP; 6GR1-UP; 6HR1-UP; 6JN1-UP; 6MR1-UP; 7AR1-UP; 7DR1-UP; 7GR1-UP; 7KN1-UP; 8LN1-UP; 8TM1-UP; 8XN1-UP; 9BM1-UP; 9MN1-UP; 9PN1-UP; 9ZS1-UP)
D6H (S/N: 4LG1-UP; 5HF1-UP; 1FJ1-UP; 3YG1-UP; 3ZF1-UP; 4RC1-UP; 6CF1-UP; 6FC1-UP; 8FC1-UP; 1KD1-UP; 1YL1-UP; 2BL1-UP; 2DK1-UP; 2KD1-UP; 2TG1-UP; 2TL1-UP; 3ED1-UP; 4GG1-UP; 4YF1-UP; 5KK1-UP; 6CK1-UP; 8KK1-UP; 8SK1-UP; 8ZJ1-UP; 9KJ1-UP; 9LK1-UP; 9RK1-UP; 3YJ1-UP; 6JJ1-UP; 7ED1-UP; 7PC1-UP; 7ZK1-UP; 8KB1-UP; 8YC1-UP)
This special instruction details the procedure to replace the bearings on the ends of the push arms. The following article lists the necessary part numbers and the procedure.The Special Instruction is available through the Literature Distribution System. The publication can also be found on the Caterpillar Service Information System (SIS).