TYM T264, Руководство по ремонту

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SECTION 3. TROUBLESHOOTING
Problem or symptom
Check or Solution
W
h
ee
ls
o
n
m
ac
hi
ne
w
ill
n
o
t
ro
ta
te
N
o
is
y
pum
p
o
r M
o
to
r
S
luggi
sh
r
es
po
n
se
to
c
h
an
ge
s
in
s
pe
ed
L
o
w
po
w
er
W
h
ee
ls
r
o
ta
te
in
o
n
e
di
re
ct
io
n
o
n
ly
T
ra
ct
o
r m
o
v
es
w
ith
o
ut
pr
es
sin
g
fo
rw
ar
d
o
r r
ev
er
se
pe
da
l T
ra
ct
o
r D
o
es
n
o
t M
o
v
e
w
h
en
F
o
rw
ar
d
o
r R
ev
er
se
pe
da
l a
re
P
re
ss
ed
Check flex plate coupling between
engine and pump
•
Hydraulic level low in transaxle
• • •
Low charge pressure (see Tests and
Adjustments Section)
• • •
Main drive pressure relief valve stuck
open(see Test & Adjustments section)
• • • •
Air in system(see”HYDRAULIC
SYSTEM BLEED PROCEDURE” on
page 20)
• • •
Hydrostatic motor output pressure too
low
(see tests and Adjustments section)
• •
Internal pump or motor damage or
excessive wear
• • • •
Parking brake engaged or
malfunctioning
• •
Pump centering mechanism not
properly adjusted
• • •
Gear box malfunction
(see gear power Train section)
•
Servo valve malfunctioning
• • •
Pedal neutral position Not properly
Adjusted
•
Hydrostatic Control linkage Worn out
or Damaged
• • • •
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