Power Take-Off; Output Shaft - MASSEY FERGUSON MF230 Shop Manual

SERVICE MANUAL
Latch brake pedals together and road
test to check for uneven brake applica­
tion. If brakes pull to one side, equalize
braking action by turning brake lever
adjusting nut counterclockwise on side
that pulls.
Th
OVERHAUL.
174.
brake assemblies, first remove complete
axle housing assembly as outlined in
paragraph 167. Remove brake actuator
assembly from left-hand side, and
remove actuator assembly with differen­
tial lock mechanism from right-hand
side. Remove retaining screws and
withdraw differential
Remove brake components from axle
housing keeping parts in order to ensure
correct reassembly.
If brake parts and compartment are
coated with oil on models equipped with
dry brakes, make certain that necessary
oil seals are renewed before reassem­
bling brakes. Unhook springs (27-Fig.
163 or 164) and examine actuator unit
(25) and balls (26) for wear or pitting.
wet
Groove depth in type friction discs
(2-Fig. 164) is approximately 0.3 mm
(0.012 inch) when new. Friction discs
should be renewed when worn to the
point that grooves begin to disappear.
The intermediate plates (28) should be
renewed whenever friction discs are
renewed.
Th
reassemble brakes, reverse the
removal procedure while noting the
f ollowing special instructions: On wet
type brakes, dip friction discs, in­
termediate plates and actuator unit in
clean transmission oil
reassembly. Two friction discs and one
separator plate are installed on
planetary side of brake actuator unit
and remaining discs and plates are in·
stalled on differential side of actuator. Be
sure that lip of rubber boot (4) is seated
correctly in groove of actuator
that garter spring is in proper position.
Adjust brakes as outlined in paragraph
173.

POWER TAKE-OFF

(LIVE)

OUTPUT SHAFT

All Models So Equipped
175. remove pto output shaft
Th
(11-Fig. 165), first drain oil from dif·
f erential housing. Remove pto shield and
retainer plate (18) from rear of housing.
Withdraw shaft, rear bearing (13) and
remove disc
Fig. 164-Exploded view of
wet disc brakes used on
some Orchard models and 111/
MF250 models. Except for In·
carrier plate.
termed/ate plate (28), refer to
Fig. 163 for legend.
Fig. 165-Exploded view of
typical pto output shaft and
associated parts used on
prior to
models equipped with live
pto. On some models, parts
will vary slightly from those
1 Shifl lever
2. Snap ring
3. "0" ring
4 Shift covu
rod
5. DeU!nt plunger
(3) and
6 Gasket
7 Shift fork
S. Ground rpeecl
oouphng
9 Bushing
10. Needle bearing
11. Out]>ut shaft
12 Snap ring
14. Seal reta1ner
16. Metal sh1eld
O i l
16
17 "0" ring
Reta•ner
18.
19 Shaft covu
seal hou aing (14) as an assembly. Oil seal
(16) and rear bearing (13)
at this time.
Output shaft front needle bearing (10)
can be renewed after first removing dif·
ferential assembly as outlined in
paragraph 158. Remove bearing rear·
ward, then use appropriate size step
shown.
18 7
& spring
1
gear eft sh 1 fl
aeal
piaU!
be renewed
can
Paragraphs
----
15
14
plate and driver to install nev.; bear ing
flush to slightly below rear face of hous­
ing bore. Refer to paragraph 176 for
renewal of ground speed drive- gear (8)
and bushing (9).
Th
reinstall output shaft, reverse the
removal procedure. Be sure to lubricate
"0"
oil seal and ring during assembly.
1 7 4 -1 75
5
69