SHOP MANUAL
MASSEY-FERGUSON
MODELS
M F670 -
M F690 -
M F698
Tractor serial number Is stamped on name plate attached to left side of Instrument panel shroud. Engine
serial number Is stamped on left side of engine block.
INDEX (By Starting Paragraph)
BRAKES
ENGINE (CONT.)
Adjustment
...................................
151
Timing gears
................................
53, 59
Brake discs
................
..
.
.
................
155
Valves and seats
.................................
44
Fluid and bleeding
..............................
152
Valve clearance
.................................
50
Master cylinder
................................
153
Valve guides
..............................
.
.. 45, 46
Parking brake
.................................
156
Valve springs
...................................
47
Slave cylinders
.................................
154
Valve timing
....................................
51
COOLING SYSTEM
ENGINE CLUTCH
Thermostat.
...............................
111, 112
Adjustment ...
.
........................
.
......
120
Radiator
......................................
110
Clutch assembly
................................
122
Water pump
...................................
113
Release assembly
...............................
124
Engine/transmission split
........................
121
ELECTRICAL SYSTEM
Alternator and regulator
.........................
115
FINAL DRIVE
Circuit description
..............................
118
Drive ax.le
.....................................
150
Starter
.......................................
117
Final drive and ax.le assembly
.....................
146
Wiring diagram .
.
....................
.
.....
Page 39
Wheel ax.le and planetary assembly
................
147
ENGINE
FRONT SYSTEM
Assembly R&R
.................................
41
Cam followers
..................................
48
(Two-Wheel Drive Models)
Axle main member
................................
1
Camshaft
...................................
67, 68
Front wheel bearings
............................
4, 5
Connecting rods and bearings
......................
75
Spindle and spindle bushings
........................
3
Crankshaft and bearings
.......................
76, 77
Steering arm assembly
............................
2
Crankshaft rear oil seal
...........................
84
Tie rods and toe-in
................................
6
Cylinder head
................................
42, 43
Engine balancer
..............................
78, 81
FRONT-WHEEL DRIVE SYSTEM
Flywheel
.......................................
85
(Four-Wheel Drive Models)
Oil pan
........................................
86
Clutch and output shaft assembly
...................
15
Oil pump
....................................
87, 88
Control valve
...................................
18
Oil pump relief valve
..........................
89, 90
Differential and bevel gears
.......................
14
Piston pins
.....................................
7 4
Drive ax.le
......................................
11
Pistons, rings and sleeves
...................
71, 72, 73
Front ax.le assembly
..............................
12
Rocker arms
....................................
49
Input housing assembly
...........................
13
Rod and piston units
..........................
69, 70
Pivot housing
...................................
10
Timing gear cover
...............................
52
Pressure regulating valve
.........................
20
Timing gear housing
..........................
65, 66
Reduction hub
...................................
8
2