MASSEY FERGUSON MF 135 - Lock Differential

anti-freeze and water. If only water is used,
it should be noted that the effectiveness of
anti-freeze solution will be reduced.
Before checking the level of coolant,
clear away any dirt around radiator cap.
Cleaning the System
~
'V Over a period of time, mineral de-
posits can form on the inside walls of the
engine block. These can eventually build up
and prevent adequate cooling, and cause
overheating of the system, when engine is
operating.
The system should be drained occasion-
ally and cleaned by flushing with wa ter in the
reverse direction to the normal flow, or by
using a good grade of cooling system clean-
er.
Fig. 73 - Clutch Adjustment
Clutch Adjustment {See Fig. 73)
e The normal clutch pedal free travel
necessary for efficient operation is 3 /4 of an
inch. This is measured between the clutch
pedal arm and the bottom of the radius rod
clamp.
To adjust free travel:
1. Insert a rod through the hole in the
clutch pedal shaft, loosen the clamp bolt.
(See Fig. 74.)
Fig. 74 - Clutch Adjustment
2. With the rod, rotate the shaft clock-
wise until you feel the clutch finger contact
the release bearing (noticeable resistance).
3. Move the clutch pedal on the shaft
until the 3/4 inch setting is obtained. Tight-
en the clutch pedal clamp bolt securely.
Fig. 75 - Differential Lock
Differential lock (Optional)
(See Fig. 75)
A mechanically actuated differential lock
is a factory-installed option on the MF 135
Tractor. The differential lock needs very
little attention. However, it is important
that the locking mechanism is adjusted for
full engagement. To quickly check the ad-
justment, depress the differential lock pedal
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