Duncan Renovator AS4000, Owner'S Manual

Page: 33 / 77

31
Pt. No. 67442
Issue 0119
Maintenance Schedule (continued)
6. Tyre Pressure
The recommended tyre pressure is listed on Page 5.
Weekly checks are recommended.
7. Disc Openers
Front coulter bearings are sealed and do not require
lubrication. Check discs for any lateral movement
(wobble) on a regular basis. Replace bearings if there
any is noticable wobble.
There is one grease nipple on each disc opener frame
pivot and disc assembly casting. Frame pivots should
be greased monthly while disc castings should be
greased daily to provide lubrication and to flush out any
dirt.
8. Framework
The framework structure should be inspected annually
for defects, i.e., cracks in members or welded
connections. The framework should be cleaned prior to
the inspection.
9. Metering Units
Ensure that the metering units are clean and that the
rubber sealing lip is not damaged. The sealing lip
is located along the base of the trap door hinge. A
damaged sealing lip can cause seed delivery problems.
10. Fan Hydraulic Motor
Hydraulic Fan -connect the hoses in the following order:
First - connect Zero pressure Case Drain 3/8” hose
(1/2” BSP Female QR) to hydraulic reservoir *
Second -connect Motor Return 3/4” hose (3/4” BSP
Female QR) to tractor high flow low pressure return
port.
Finally - connect High Pressure Motor Feed 1/2” hose
(1/2” BSP Male QR) to tractor remote.
Disconnect in the reverse order to prevent motor seal
damage.
*The tractor hydraulic reservoir or free drain connection
must have zero backpressure.
‘Renovator AS4000’
Maintenance & Care