Massey Ferguson 431 and 461 Tractor Workshop Manual

Massey Ferguson 431, 461 Tractors Workshop Service Manual – 334 Pages
Perkins Engine 1103 Series: 508 Pages
Publication No: 4283017
Massey Ferguson 431, 461 Tractors (Turkey) Manual
Model: Massey Ferguson Tractor

Manual Table of Content

Introduction and Safety
Tractor Specification
Miscellaneous Data
Servicing the Tractor
Splitting the Tractor
Engine Specification
Cooling System
1100 Series Non Electronic Engine Drop Sheet
Clutch
8 Speed Standard Gearbox
8 Speed Sychromesh Shuttle Gearbox
Brakes
Crownwheel Pinion and Differential Lock
Rear Axle
Drawbar and Linkage
Single Speed Power Take off
IPTO Single Speed Power Take off
Front Axle – 2 Wheeldrive – 3 Cylinder Tractors
Front Axle 461 – 4 Wheel Drive
Lift Hydraulics
Steering – Orbital Steering unit
Steering 3 Cylinder Tractors
Auxiliary Hydraulics
Electrical System
Service Tools
MANUAL EXTRACT HYDRAULIC LIFT CYLINDER
Special Tools:
MF420 Piston seal replacer (79 mm)
MF453 Piston seal replacer (94 mm)
Dis-assembly
1. Remove the lift cylinder assembly, See operation 2.09A-04, procedures 1 to 11.
2. Remove the two bolts.
3. Remove the support bracket.
4. Withdraw the piston from the cylinder.
5. Remove the piston seal and ‘O’ ring if necessary.
Examine all components for wear or damage, replacing any defective components.
Re-assembly
6. If piston seals have been removed apply transmission oil to ‘O’ ring part of seal and fit it into the piston groove.

7. Lubricate the outside of the tapered guide of MF.420 for the MF.431 tractors and MF.453 for the MF.461 tractors, with mineral oil. Place the guide on a firm, flat surface. Locate the seal on the guide and very carefully push the seal down the taper of the guide until it protrudes beyond the end. Locate the lip of the seal on the piston at the closed end.

Push the seal off the guide onto the piston and into the groove on top of the ‘O’ ring.
8. Push the piston into the wide bore end of the sizing ring. Push it through until it protrudes approximately 12 mm from the end of the ring.

9. Lubricate the bore of the cylinder with transmission oil, then locate the protruding portion of the piston in the mouth of the cylinder bore. Push the piston through the sizing ring and into the cylinder.

10. Reverse procedures 1 to 11 in operation 2.09A-04.