MASSEY FERGUSON MF230 Shop Manual page 83

2 1 8 - 220
Paragraphs
Install control linkage as follows:
Locate control cams (39 and 40-Fig.
211) in cover and start pivot shaft. (P)
through left-hand side of cover, but not
into cams. Install vertical lever spring
(41-Fig. 217) over pivot bracket (31) and
around vertical lever (32), then insert
pivot shaft. into control cams. Do not
tighten set screw at this time. Insert
spring rods (34-Fig. 211) into mounting
bracket (30), then remove cotter pins to
release the springs. Install assembled
quadrant while holding control fingers
away from quadrant rollers. Install
quadrant retaining pin (P-Fig. 215).
Hook spring (38) between position con­
trol cam and finger (37). Install pressure
control lever (50-Fig. 214) if so equip­
ped. Adjust cam pivot shaft. <P-Fig. 216)
to obtain minimum linkage side play,
but make sure cams move freely.
o
Tighten set screw (S) t
shaft..
Install rockshaft (27-Fig. 210)
through left-hand side of cover aligning
master spline on shaft. with master
spline on rockshaft. arm and lift arms.
Tighten cap screws retaining lift arms
until shaft. side play is minimum, but
arms can still be raised and lowered
freely.
Fig. 216-Set screw (S) retains control cam pivot
shaft (P).
bracket
Fig. 217-V/ew ot vert/cal lever spring (41) In­
stalled.
29.
Nut
31. Pivot
84
Install and adjust master control
spring as outlined in paragraph 201.
Adjust internal linkage as outlined in
paragraph 218 before reinstalling lift
cover.
218. INTERNAL LINKAGE AD­
JUSTMENT. The f ollowing internal
linkage adjustments must be performed
before reinstalling
ing special tools are required to proper­
ly make the internal adjustments: Gage
tool (MFN 1080-D), Gage tool (MFD 970)
and Nuday No. 6088 and 6089 bushings.
Invert the lift cover in a fixture or on
a bench. Block up the cover as necessary
rockshaft. can be moved to the normal
so
raised "TRANSPORT" position. Check
secUre
and adjust master control spring
(12-Fig. 209) as outlined in paragraph
201. Make certain
not
pivot
contact spring plunger (8) when ad­
justing master control spring.
219. DRAFT CONTROL ROD. To ad­
just draft control rod (42-Fig. 218),
move draft. control lever to fully "UP"
position. Be sure
tacting master control spring plunger,
then adjust control rod cap screw (C) un­
til clearance (D) between head of screw
Fig. 218-Ad/ust draft control rod (42) so
clearance (0) between cap screw (C) and
casting Is 5.84 mm (0.230 Inch).
No. 6088 bushings (3) end bolts. Vertical /ever /s
Spnng
Fig. 219-The spec/a/ gage tool (MFN 1080-0)
shown at (2) should be Installed using two Nuday
:S2. Vertical lever
41.
lift
lift
cover. The follow­
draft.
control rod does
draft.
control rod is con­
cover
li ft
shown at (1 ).
MASSEY -FERGUSON
and lift cover casting is 5.84 mm (0.230
inch).
220. DRAFT CONTROL LINKAGE.
draft.
To adjust control linkage, install
special gage tool (MFN 1080-D) onto lift.
cover using special bushings (Nuday No.
6088) as shown in Fig. 219. Be sure ver­
tical lever (1) is to rear of setting rod on
gage tool, then slide Nuday No. 6089
bushing (B-Fig. 222) over the setting
rod.
If
equipped with pressure control,
move pressure control lever (4-Fig. 220)
upward. On all models, turn position
control adjustment screw (5) outward
several turns. Move position control
lever against transport stop and place
draft.
control lever between sector marks
as shown in Fig. 221. Attach a suitable
spring scale to vertical lever (1-Fig.
222)
and apply a 1.36 Kg (3 pound) pull
Fig. 220-Refer to text for Internal adjustment of
lift cover linkage.
too l <MFD
2. Gap
1080-0) 4. Prdlure
3. Bolt. & Nuday 6088 6. Poellion control
buab nga i acljualing
Fig. 221-V /ew of control quadrant. PreBB u re con­
trol model /a shown.
Fig. 222-Reter to text tor teatlng end edjustment
of draft control linkage.
control lever
tcrew