SHOP MANUAL
Paragraphs 17-18
Fig. 27-Exploded view of
manual steering gear used
on 1500 and 1700 modeis.
1.
Locknut
2.
Adjusting screw
3.
Cap screw
4.
Cover
5.
Gasket
6. Shim
7.
Sector shaft
8. Housing
9. Plug
11.
Seal
12.
Pitman arm
13.
Washer
14.
Nut
15.
Cap
16.
Nut
17.
Steering wheel
18.
Washer
20.
Bushing
21.
Cover I
23.
Shim |
24.
Bearing |
25.
Shaft
26.
Ball nut '
27.
Bearing
28.
Balls
29.
Ball guides
30.
Retainer ;
31.
Washer 1
32.
Screw
then pull ball nut assembly (15) from
gear housing.
Inspect all parts for wear or damage,
Maximum allowable clearance between
sector shaft (8) and bushings (5 and 18)
is 0,15 mm (0.006 inch). Renew "0" ring,
gasket and seals.
When reassembling, install ball nut as-
sembly and rear cover in gear housing
Wrap a cord around ball nut shaft and
use a spring scale to measure pull re
quired to rotate the shaft. Thread rear
cover (12) into housing to preload bear-
ings until spring scale reading is 6.7-8.7
kg (15-19 lbs.) When correct preload is
obtained, install iocknut (10) and tighter
securely.
Assemble adjusting screw (7), shim (6)
and top cover (3) to the sector shaft.
Locate ball nut in center of travel on
worm shaft. Install sector gear and
shaft with center tooth of sector gear
engaging center teeth of ball nut.
Tighten side cover retaining screws. In-
12
Fill steering gear to level plug opening
(9) with Ford 134 hydraulic fluid or
[uivalent. Install pitman arm aligning
assembly marks (Fig, 30). Install steer-
ing wheel and adjust free play as out-
lined in paragraph 15.
Model 1710 Offset
17.
The 1710 Offset model is equipped
with manual steering as standard equip-
ment. (Refer to paragraph 22 for power
steering equipped tractors). The steer-
ing gear is mounted on the front axle
support frame.
Steering wheel free play can be exter-
nally adjusted. Desired free play is 20-30
mm (Wi-Vk inches) measured at outer
rim of steering wheel. If free play is ex-
cessive, loosen adjusting screw locknut
(1-Fig. 31) and turn adjusting screw (7)
clockwise to reduce free play. Tighten
locknut while holding adjusting screw
after desired setting is obtained,
18.
OVERHAUL. When removing
steering gear, be sure to scribe ref-
erence marks on pitman arm (20-Fig.
31) and sector shaft (8) to ensure correct
alignment for reassembly. Disconnect
pitman arm and steering shaft universal
joint from steering gear, remove mount-
ing bolts and withdraw steering gear.
To disassemble, remove adjusting
screw nut (1). Remove cap screws re-
taining top cover (3), then remove cover
and sector shaft (8) as an assembly.
Remove nut (10) and rear cover (12),
Fig. 28-Exploded view of
manual steering gear used
on 1900 models. Steering
gear used on 1910 and 2110
manual steering models Is
similar. Refer to Fig. 27 for
legend except for the follow-
ing:
10.
Bushing
38.
Bushing
39.
Plate
40.
Steering column '
Fig. 29—To check steering
shaft bearing preload, use a
cord and spring scaie to
measure pull required to
rotate shaft Shims located
between steering column
and housing are used to ad-
iust preload. Refer to text
19
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