MacDon PW8, Operator'S Manual

Page: 285 / 304

214657
271
Revision A
Symptom Problem Solution Refer to
Hold-down master
cylinder lags behind slave
on descent and ahead of
slave on lift
Obstruction preventing
cylinder movement Check lift cylinder and lift
arm attachments.
—
Hold-down master
cylinder lags behind slave
on descent and ahead of
slave on lift
Air in system Bleed cylinders.
5.9.4 Bleeding Cylinders
and Lines, page 247
Hold-down master
cylinder lags behind slave
on descent and ahead of
slave on lift
Flow is too restricted Check hoses and lines.
5.9.5 Hydraulic Hoses and
Lines, page 248
Slave cylinder remains
extended more than
13 mm (1/2 in.) when
hold-down is fully lowered
Air in system Bleed cylinders.
5.9.4 Bleeding Cylinders
and Lines, page 247
Hold-down remains raised
and will not lower
Safety prop is engaged Disengage safety prop.
3.5 Engaging Hold-Down
Lift Cylinder Safety Props,
page 37
Hold-down remains raised
and will not lower Hydraulics not
connected properly
Ensure hydraulic lines are
connected properly and
not damaged.
5.9.5 Hydraulic Hoses and
Lines, page 248
Driveline clutch is slipping Clutch is worn Replace clutch.
Replacing Driveline
Clutch, page 175
Driveline clutch is slipping Obstruction in auger
Shut off combine, remove
key, and
remove obstruction.
3.13 Unplugging the
Header, page 92
Pick-up wheels bounce
over bumps
Header height is too high
Lower header until rear
pick-up roller is 305 mm
(12 in.) above the ground.
•
Header Height, page
79
•
3.12.4 Adjusting
Header Float, page 82
TROUBLESHOOTING