Speed Adjustment - Ford 4000 Series Shop Manual

2000 - 3000-4000 Paragraphs 164-165
GOVERNOR ( Non-Diesel)
Non-diesel engines are equipped with a
variable speed centrifugal fiyball type
governor that is mounted on front end of
the Ignition distributor drive shaft ; refer to
Fig. 147.
SPEED ADJUSTMENT
Early Series 2000 - 3000-4000
164. Refer to Fig. 149 for assembled
view of governor linkage and to Fig.
150 for exploded view. Before at-
tempting any adjustments, first check
to be sure that linkage moves freely
without binding or excessive looseness.
With engine not running, disconnect
governor rod (27) at forward end. Move
hand throttle lever to wide open posi-
tion and carburetor throttle arm
against high speed stop. Loosen jam
nut (28) if necessary and adjust gov-
ernor rod until front end easily enters
hole in governor arm. Lengthen gov-
ernor rod one more turn to assure com-
plete opening of carburetor throttle,
reconnect governor rod and tighten jam
nut (28).
Fig. 148 -View showing governor housing and
outer race removed from front of timing gear
cover. Pin (P) in housing keeps outer race from
turning.
Fig. 150-Exploded view of
throttle and governor
linkage typical of early 2000,
3000 and 4000.
1. Throttle lever
2. Grommet
3. spring
4. Washer
5. Nut
6. Throttle lever arm
12. End assembly
13. Jam nut
14. Throttle control rod
15. Retaining clip
16. Bellcrank
21. Pivot bolt
22. Lockout
23. High idle adjustment screw
24. Counterbalance spring
25. Front throttle control rod
25A. Washers
26. Retainingclip
27. Governor rod
28. Jam nut
29. End assembly
Fig. 151-Drawing showing
typical throttle and governor
linkage used on late model
2000, 3000 and 4000.
L. Length or rod
1. Throttle control rod
2. High idle adjustment screw
3. Throttle bellcrank
4. Governor rod
5. Governor arm
6. Throttle rod & governor
spring assembly
Move hand throttle lever to slow idle
position and check to be sure car-
buretor throttle arm is firmly held
against slow speed stop screw. Remove
right hand steering gear sheet metal
cover, if necessary; disconnect end as-
sembly (12) from throttle lever arm (6)
and adjust length of control rod (14) as
required.
Start and run engine until normal
operating temperature is attained.
Turn idle speed adjusting screw on car-
buretor throttle arm to obtain the rec-
Fig. 149- View showing gov-
ernor and throttle linkage
typical of early 2000, 3000
and 4000.
ommended 600-650 RPM slow idle
speed.
Move hand throttle lever to wide
open position and adjust high idle
screw (23), if necessary, to the fol-
lowing:
Tractor Maximum
Model No- Load Speed
2000 ............ ....... 2200-2300
3000 ...................2285-2335
4000 ............... ...2395-2445
Move the hand throttle control lever
to slow idle position and, if necessary,
readjust slow idle speed to 600-650
RPM. Stop engine and reinstall
steering gear cover.
Late 2000 - 3000-4000
165. Refer to Fig. 151 for schematic
view of linkage and to Fig. 152 for al-
ternate bellcranks which may be used
on 3 cylinder units. First make sure
linkage is free without excessive loose-
ness. Move hand throttle to high speed
position and adjust governor rod (4) if
necessary, to fully open carburetor
throttle. Adjust length of throttle rod
(L) to 11 25/32 inches if bellcrank is
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