MASSEY FERGUSON MF 14 - Page 30

TROU
BLE.SHOOTING
System Will
Not
Operate
in Either
Direction
CAUSE
REMEDY
System
low
on
oil
Oil cold
Damaged
input/output shaft
Damaged
valves
Low
charge
pressure
Faulty
control linkage
Pump
or
motor
seized
Check
filter
or
refill
reservoir. Check
for
leaks.
Allow
sufficient
warm-up
period
-
1O-15
minutes.
Replace
driveshaft
or transmission.
Correct
problem
which
caused
failure.
Check
by-pass,
charge relief. check
valves for
stick-
ing or erosion
of
seats.
Caused
by:
1 . Faulty charge
relief
valve
-
replace or
reshim.
2.
Plugged
f ilter or suction
line
-
clean
and replace.
3.
Faulty charge
pump
-
replace.
4. Charge
pump
drive
sheared.
5.
lnternal
damage
to
pump
or
motor.
6. Cold oil.
Check linkage and roll
pin
drive. Correct as
necessary
Replace transmission.
System
Operates
in
One Direction Only
CAUSE REMEDY
Faulty
control linkage
Faulty
check valve
(2
used)
Check linkage
and
repair.
Check and replace bad
valve(s).
Loss
of
Power
CAUSE
REMEDY
Filter
or
suction
line clogged
Acceleration
valve faulty
Check valve(s) faulty
Worn
or slipping
linkage
Faulty
charge relief
valve
By-pass
valve open
lnternal
damage
to
transmission
lnput./output
shaft
slipping
Engine lugs
down
Air
in
system
Replace
and refill
system.
Replace faulty valve(s).
Replace
faulty valve(s).
Replace
or adjust
external linkage.
lnspect valve
-
replace
or reshim.
Close valve or replace
worn
parts.
Replace
or repair
as necessary.
lnspect
couplings and drive
train.
Consult
engine
manual.
Fill
system
and
check
for leaks.
-3-