John Deere NAF Rigid Single Axle Component Technical Manual (CTM281)

Table of Content (CTM281 – Component Technical Manual)

Contents Page
Maintenance Schedule …………………………………………………………………………………..II-IV
Table of Lubricants ……………………………………………………………………………………………V
Repair Instruction…………………………………………………………………………………………. 1-25
1. General Instructions ……………………………………………………………………………………………………… 1
2. Tightening Torques for Bolts and Nuts (Differential Section)………………………………………………. 2
3. Differential …………………………………………………………………………………………………………………… 3
3.1. Exchange of the Complete Differential………………………………………………………………. 3
3.2. Replacement of Crown Wheel and Pinion………………………………………………………….. 3
3.3. Exchange of The Compensating Gears …………………………………………………………… 10
3.4. Exchange of the Pinion Bearings ……………………………………………………………………. 11
3.5. Exchange of the Crown Wheel Bearings………………………………………………………….. 11
3.6. Exchange of the Shaft Seals ………………………………………………………………………….. 11
4. Differential Lock …………………………………………………………………………………………………………. 12
4.1. Checking the Function of the Differential Lock………………………………………………….. 12
4.2. Exchanging Parts of the Differential Lock ………………………………………………………… 12
4.3. Adjustment of the Axial Play and Reassembly of the Differential Lock…………………. 13
5. Multiple Disk Brake and Brake Cylinder…………………………………………………………………………. 15
5.1. Air Gap Inspection of the Multi Disk Brake……………………………………………………….. 15
5.2. Air Gap Adjustment of the Brake…………………………………………………………………….. 15
5.3. Emergency Release of the Parking Brake ……………………………………………………….. 16
5.4. Exchange of the Brake Cylinder……………………………………………………………………… 17
5.5. Exchange of the Disk Brake…………………………………………………………………………… 19
6. Tightening Torques for Bolts and Nuts (Planetary Hub) …………………………………………………… 21
7. Exchange of the Complete Planetary Hub ……………………………………………………………………… 21
8. Planetary Gearing……………………………………………………………………………………………………….. 22
8.1. Opening the Planetary Hub ……………………………………………………………………………. 22
8.2. Exchange of the Sun Gear Shaft…………………………………………………………………….. 22
8.3. Replacement of the Planet Gears, Planet Bearings and Planetary Pins……………….. 22
8.4. Exchange of the Ring Gear ……………………………………………………………………………. 23
8.5. Reassembly of the Planetary Hub …………………………………………………………………… 23
9. Spindle and Wheel Bearings………………………………………………………………………………………… 24
9.1. Exchange of Wheel Bearings and Spindle Ring………………………………………………… 24
9.2. Replacement of the Slide Ring Seal………………………………………………………………… 25
9.3. Replacement of the Axle Spindle ……………………………………………………………………. 25