Great Plains AS20 Operator Manual - Manual (Page 27)

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25 4/14/05 Great Plains Mfg., Inc.
Section 5 Maintenance & Lubrication
AS15 and AS20 Planting System 148-153M
Section 5
Maintenance & Lubrication
General Maintenance
Proper servicing and adjustment is the key to the long
life of any farm implement. With careful and systematic
inspection, you can avoid costly maintenance, time and
repair.
•
After using your All Seeds Hitch for several hours,
check all bolts to be sure they are tight.
•
Always maintain the proper air pressure in the trans-
port tires.
•
Before the hitch is transported and regularly during
normal operation, check the hitch safety chain. Make
sure the chain is properly attached to both the hitch
and the tractor draw bar. Inspect the chain and hard-
ware for wear or other damage. Replace immediately
if needed.
Storage
•
Clean the drill and planter as necessary. Be sure that
the seed boxes and hoppers are completely cleaned
before storing.
•
Lubricate and adjust all roller chains.
•
The square bore of the feed cup drive sprocket hub
should be oiled to prevent seizing. Squirt oil on to the
square feed cup shaft and move feed cup adjustment
lever back and forth in order to get the oil back into the
square. This is most important before putting the hitch
in storage.
•
Lubricate all fittings as indicated in “Lubrication” be-
low.
•
When in storage, lower the hitch with openers on a
board or hard surface. Apply a light coat of oil to ex-
posed cylinder rods.
•
Store the hitch inside if possible. Inside storage will re-
duce maintenance, and make for a longer hitch life.
Lubrication
•
Listed below are the items you need to lubricate every
8-10 hours of operation:
a. Top and bottom vertical pivot shaft bushing. The
grease fittings are located on the back side of
the vertical pivot tube on the transport frame.
b. Front tongue pivot.
c. Level link pivot lever tube located behind the
front hydraulic tongue cylinder
d. Center rockshaft bearings located below the
quick hitch hooks.
e. Center rockshaft 3-bolt bearing castings located
on the ends of the transport rockshaft.
f. Cylinder rod end bushings located on the rock-
shaft cylinder lugs.
Listed below is the item you need to lubricate every
20-24 hours of operation:
a. Top of coulter casting.
Listed below is the item you need to lubricate once
every season:
a. Coulter hub bearings (zerk provided).
b. Dual transport wheel timken bearings (repack
and check seals).
Lubricate drill as noted in your 3-Point Drill manual. Lu-
bricate planter as noted in your planter manual.
Lubrication is required every 50 hours of operation.
Use a multipurpose spray lube. Use as required.
Do not over lubricate.
Lubrication Symbols
As
Required
Seasonally
50
Lubrication is required.
Lubrication is required every 10 hours of operation.
10