Governor - Gravely Convertible 7.6 Service Manual

MAGNETO COVER .
The magneto cover, can be removed by loosening the four
screws which hold it in place. When replacing the cover be
sure that the cover gasket is in its proper place.
BREAKER CONTACTS -REPLACEMENT
ANDADJUSTMENT
The breaker contacts should be adjusted to .015" when
fully opened. To adjust the contacts, loosen the two clamp
screws enough so that the contact plate can be moved. Insert
the end of a small screw driver in the adjusting slot and open
or close the contacts by moving the
Governor service is indicated when the governor is not
functioning properly under load.
Two governor repair kits ate available. If the components
of these kits cannot repair the governor, it will be necessary to
replace the governor.
1. Main shaft assembly kit consists of: Retainer Bearing
Main Shaft Assembly
2. Seal repair kit consists of: Oil Seal Oil Seal Gasket
GOVERNOR OVERHAUL PROCEDURE. Remove
the governor from the tractor, and proceed as follows:
1. Remove two screws and separate cover assembly from
body assembly.
2. Remove retainer and thrust sleeve from cover and main
shaft assembly.
3. Remove two flyweight pivot pin retainers and carefully
tap out flyweight pivot pins using a 1/8
Figure 9
plate until the opening is .015", measuring with a feeler gauge
of that thickness, tighten the two clamp screws.
To replace the contacts remove the breaker, the spring
clamp screw, the breaker arm lock and washer, and then lift the
breaker arm from its pivot. Remove the spacing washer and the
two breaker plate clamp screws. The breaker plate can then be
removed.
If the contacts need replacing it is recommended that both
the fixed contact and the breaker arm be replaced at the same
time, using replacement breaker set.
After assembly the contacts should be adjusted as described
above The contacts should be kept clean at all times. Lacquer
thinner is an ideal cleaner for this purpose.
CONDENSER
To remove the condenser, first disconnect the condenser
lead by removing the breaker arm spring screw, then remove
the two condenser clamp screws, and the condenser clamp.
When replacing the condenser make sure it is properly placed
and that the clamp screws arc securely tightened.
COIL AND COIL CORE
The coil and coil core must be removed from the magneto
housing as a unit. Disconnect the primary wire from the breaker
arm spring terminal by removing screw, take out the two coil
core clamp screws, and remove the clamps. The coil and core
can then be pulled from the housing. When replacing this group
make sure that the bare primary wire is connected under the
core clamp screw and that the insulated mire is connected to the
breaker arm spring terminal.
REMOVAL OF COIL FROM CORE
The coil is held tight on the core by two wedges. It will be
necessary to press against the coil core with considerable force
to remove it from the coil. The coil should be supported in such
a way that there is no danger of the primary of the coil being
pushed out of the secondary.
When replacing the coil on the coil core, slide it on then
press in the two coil wedges, one on each end, until they are
flush with the primary of the coil.

GOVERNOR

diameter punch, and tapping against the grooved end of
the pivot pin.
4. Remove two screws and rocker lever from body
assembly.
5. Slip out shaft and lever assembly from body assembly.
6. Clean all harts carefully in a suitable solvent, to removed
all grease, dirt and foreign material.
7. Inspect all parts carefully for wear, cracks or damage and
replace parts as necessary. A main shaft assembly kit and
seal repair kit are available. Replace the governor if the
parts in these kits cannot repair the governor.
8. Inspect for excessive wear on main shaft, pivot pins,
thrust sleeve and cross shaft & lever. Replace as
necessary.
9. Inspect for excessive wear on main bearing and rear
bearing and cross shaft bearings in body. Replace body as
a unit if bearings are worn or damaged.
10. Replace spring if it is damaged or if loss of tension is
apparent.
9