![Nortrac NorTrac 35XT Скачать руководство пользователя страница 53](http://html1.mh-extra.com/html/nortrac/nortrac-35xt/nortrac-35xt_owners-manual_1709181053.webp)
Maintenance Instructions
47
Fault
Causes
Troubleshooting
(3) Gear oil pump failure.
(4) Hydraulic oil level is too low.
(4) Add lubricating oil according to the
requirements.
4. Farm implements slowly
drop after being lifted, and
the descent becomes faster
after turning off the engine.
(1) The tightness of the check valve in
the hydraulic flow hydraulic flow
distributor is poor.
(2) The lowering valve is not sealed
tightly.
(3)The oil cylinder safety valve leaks
oil or is not adjusted properly.
(4) The O-ring for the oil cylinder is
damaged or leaking.
(5) The seal ring between the
distributor or the cylinder head and
the oil inlet hole on the 3-point lifter
shell is improperly installed or
damaged.
(1) Clean the check valve.
(2) Clean or replace the lowering valve.
(3) Repair or readjust the safety valve on
the oil cylinder.
(4) Replace the O-ring.
(5) Check and replace the seal ring.
5. With the 3-point lift lever
at lifting position, the
hydraulic distributor makes
a loud noise.
(1) Because of improper adjustment,
the inner lifting arm props against the
lifter case to open the safety valve..
(1) First measure the lifting height of the
farm implement. Then readjust and
shorten the force/position adjusting rod to
make the highest lifting position lower
than the original position.
6. The 3-point hitch has no
hydraulic pressure or weak
output.
(1) The oil cylinder inlet line has been
disconnected.
(2)The front cone and conical hole of
the speed lowering control valve have
not been sealed tightly.
(3) Lifter is in the neutral lifting
position.
(1) Tighten the lowering speed
adjustment knob clockwise to reduce the
lowering speed.
(2) Replace the valve.
(3) Push the lifter control handle to the
lowering position to lower the outer
lifting arm to the lowest position. Shut off
the inlet oil line to the oil tank, and then
put the operating lever in the lift position.
Содержание NorTrac 35XT
Страница 42: ...Operation Description 36 ...
Страница 98: ...TE25 Serials TE354 L161Q1K ...