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Tractors,
Lawn
and
Garden
-
110
and
112
Hydraulic
System
60
SM-2059-
{Apr-57}
Pump
15-5
'I
Jt
1
Fig.
IO
-
Ch
ec
king
Bock
Plate
We
ar
Sm
all
scratches
and
some
w
ear
pa
ttern
s
hould
be
consid
ere
d
normal
a
nd
w
ill
not
affect
pump
ope
rati
on.
Check
pl
ate w
ea
r ,
Fi
gur e 10. Refer
to "
Spe
cifi
c
ti
on
s,"
pa
g
15-1
0, for
back
pl
at
we
ar
tal
ra
nc .
Replac
e
back
pI
te
if
w
orn
beyo
nd s pe
ci
fic
a
tion.
\f
".
f
F
i9.
J J
-M"osuring
Geor
Po
cke
t
I
nspec
t
th
e
ge
ar
pockets
fo
r s c
oring
or
war,
Figure
11.
Re
f r to " p
eci
f'c
atia
ns ,
I'
page
15- 10,
for
gear
pocket
diameter.
If
gea
pork
ts
ar
e
se
r
ed
or
worn,
bey
ond
speci
fi
c Hans ,
re
place'
bo
dy.
"
,.
Fig.
12-Rclicf
Va/v"
Adopte
r,
Boll,
Spring
oll
d
Se
at
Inspect
condition
of
relief
valve
sea
t,
ball,
adapter
and
sprin
g,
Figure
12.
Repl
ace
p
art
s
show
i
ng
abn
orma
l wea
r.
If
reli
ef va
lve
sea
t r m
av
al
is
ne
cess3.ry,
r
fer
to
Figure
7.
ASSEM
BLY
' I .
j,
Fig.
13
- ln
slol/
i
<19
Front
Pl
ate
Co
mponents
Install
new i
phragm
seal,
protect
or
gasket,
ba
-'
kup
g
ask
t an 1 di
aphra
gm wh
11
r a
sse
m
bli
ng
p
um
p,
Figu
' > 13.
Install
dia
phr
ag
m
eal
in
grooves
of
fron
t
pl.
te w
it
h
sea
l "V"
gr
ave
down.
Use
sma
ll blw1t s cr
ewdriver
to
posl
tion
seal
'in
gro
ove
s.
Pre
s s
pr
ot
ector
gasket
and
b e
,kup
gas
et
into
d
iap
hragm
se
al.
Drop
s t ,e1
balls
in
to
re~
'p
ective
sea
ts a
nd
pl
ac
sp
ri
ngs
ove
r ba
ll
s .
Litho
in
U . ' . .