TYM T233 HST, Руководство по обслуживанию

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SECTION 3. TROUBLESHOOTING
Problem or symptom
Check or Solution
W
he
el
s on m
ac
hi
ne
w
ill
not
rot
at
e
N
oi
sy
pum
p or
M
ot
or
S
lug
g
is
h r
es
pons
e
to c
ha
ng
es
in
spe
ed
L
ow
pow
er
W
he
el
s
rot
at
e
in
one
di
re
ct
ion
onl
y T
ra
ct
or
m
ove
s
w
ithout
pr
es
si
ng
f
or
w
ar
d
or
r
eve
rs
e
pe
da
l T
ra
ct
or
D
oe
s
not
M
ove
w
he
n
F
or
w
ar
d
or
R
eve
rs
e
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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