
Paragraphs
1 37-1 38
SHIFTER RAILS AND PORKS
All Models So Equipped
137.
1b
remove the shifter rails and
forks,
first
remove transmission top cover
and detach transmissiOn from differen
tial housing using paragraph 127 as a
general guide. It
IS
not necessary to
remove transmission housing from
engine.
Carefully remove detent springs and
plungers. Remove safety w1re and loosen
all set screws from sh1ft forks and
planetary selector. Remove the planetary
shift fork, then unbolt and remove the
shift rail lock <F1g. 136) from rear of
transmission. Pull thl! shuttle and
planetary shift rail out rear oflransmis
sion and withdraw planetary selector
and the shuttle fork CFig. 135) from top.
Slide the remain1ng two shift rails out
of shift. forks.
Observe the following when reassem·
bling. Position the three transmission
shift forks mto gears as shown in F1g.
137. It may
be
necessary to move the
shuttle coupling forward
so
that fork
may
be
inserted into groove. The shift
forks are not interchangeable. The left
(2nd and �rd gear
I
shift fork should have
lug, set screw and shift notch all toward
front as shown in Fig. 135. The notch
and set screw
will
be
toward front but
lug will
be
toward rear of correctly m·
stalled right C l::it gear) sh1ft fork. Shde
shift rails into forks. Sh1ft ralls are not
56
Fig. 137-Referro teKt
for
cor·
teet Installation of shift forks
and ralls.
interchangeable. The two short ralls
should have notches for shift rail lock
(Fig. 136) facing toward the interlock p1n
and Oats toward top. Be su•·e set screws
engage detent in shift !'ail, tighten
screws and safety wire all set screws. In·
stall the shift. rail lock with interlock pin
(Fig. 136). Spacer should be on longer
screw at left as shown. Tighten both
screws to 41-47
N
· m C30-35 ft.-lbs.
torque.
PLANETARY UNIT
All Models So Equipped
138.
To
remove planetary unll ll
IS
necessary to remove transmission top
cover and separate transmissiOn from
differential housing using paragraph
Fig. 135-VIew of shift ralls
and forks Installed In manuel
shuttle transmission.
Fig. 136--V/ew of the shift
rail
lock correctly Installed.
S�cer should
be
on the
longer of the two screws et
leh.
MASSEY -FERGUSON
127 as a general guide. lt is not
necessary to detach transmission from
engine. Remove planetary shift fork and
coupling from rear of planetary. Remove
the four l'elaining cap screws. then
w1thdi·aw rear cover plate (51-Fig. 139),
thrust washer (43) and planet carrier
(50). Pry rang gear (42) and dowels from
transmission case. Remove front cover
(41) and sh1m (40).
Planet pinion shafts (49) are a tight.
p1•ess
til
m planet carrier (50). Use a
suitable press to remove and install pin
IOn shafts.
74
Fig. 138-Exploded view of
shift
levers,
forks
and
ralls
for
menuel shuttle transmission.
59
lop
covt"r
60 Le
..
r I
lot.
2nd
I<
3rd•
81
Bcool
6
2
Spnna
63 Spnn11
64
Spront� l<!al
65
Sh11\ fork !2nd &
3rdl
66
Shal\ rall 12nd & 3rdl
67
Interlock
68 Shtl\
fork
lllll
69 ShU\ raal llau
70
IA•u
lplanea.aryt
71
PlaM
a.ary
ll<'leclor
72 Slun
roal!planeuoryJ
73
Shan fork lplantuorya
74
Shuul�
le••r
75
Sbutll• fork
76 Pan1
77.
"0" rln11
78 Boot
79
Se!ICI"O�
80 De�<tnuo & aprinp