Maintenance and Lubrication
9/16/20
7000 Series 556-433M
27
End of Season
11. Clean machine as much as possible. Remove all dirt
from rust prone parts like disc blades and bolt
threads.
12. Check over the machine for damaged or worn parts.
Replace or rotate worn parts as needed--hinge bolts,
clevis pins, bearings, blades, etc.
13. Check all bolts for tightness. Tighten as needed.
14. Check and tighten or replace any hydraulic leaks.
15. Check hoses for any leaks.
16. The wheel bearings should be cleaned and repacked
annually or every 2500 acres.
17. Remove the gang bolt thread protector caps and
check gang nut torque (900 to 1100 ft-lbs). Clean out
any dirt on castle nut and threads. Use Anti-Seize on
the gang bolt threads before tightening castle nut.
18. Grease the Disk Harrow in all locations shown in the
lubricating section.
19. If stored outside, place a protective coating of grease
or "plow paint" on all earth working parts to prevent
rusting.
20. Place boards under the disk gangs and lower the
Disk Harrow to the ground retracting the lift cylin
-
ders. If disk is folded, remove transport locks before
lowering disk.
Beginning of Season
21. Hitch the tractor to the Disk Harrow and connect the
hydraulic hoses.
22. Check lift cylinders for leaks that could have caused
air to enter cylinders. If leaks are noticed repair cylin
-
ders and fully purge air from cylinders by unpinning
cylinder, block up and fully cycle cylinders back and
forth several times.
23. Slowly raise the machine a couple of times to its full
height and hold lever for 10 to 15 seconds to purge
air from lift cylinders.
24. If machine was not serviced and greased at end of
last season, perform steps 9 thru 14 from End of
Season section.
25. Make sure all moving parts move freely and do not
bind.
26. Take the time to read the operators manual and
refresh yourself with the safety information and oper
-
ating instructions.
27. It is the owner’s responsibility to see that all opera
-
tors of the Disk Harrow know the safety and operat
-
ing information found in this manual.
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