Great-plains ADI445 Operator Manual User Manual download pdf (Page 19)

Section 1 Assembly and Setup

5/11/05

Model 2250 Air Drill Implement 160-192M

Great Plains Mfg., Inc.

WARNING!

Before attempting to hydraulically lift the implement, air drill

cart must be attached to the implement and to a tractor of sufﬁ-

cient size. Failure to do so could result in severe equipment

damage and bodily injury or death.

1. Make sure implement frame sections are supported

by jack stands or blocks.

2. With the frame blocked and supported, unpin the rod

end of the gauge wheel and lift assist wheel cylinders.

Pivot the cylinders up and wire or otherwise safely

support the rod end port higher than the base end

port, refer to Figure 1-11. The center dual gauge

wheel cylinders may have to be removed from the

frame so that they can be oriented with the rod end

higher than the base end.

3. With the tractor engine at idle speed, move the hy-

draulic remote lever so that hydraulic ﬂuid is moved

into the lifting circuit. When the outboard cylinders on

both sides of the implement have completely extend-

NOTE: Check the hydraulic ﬂuid level in the tractor

reservoir and ﬁll to the proper level. Add ﬂuid to the

system as needed. A low reservoir level may draw air

back into the system and cause jerky or uneven cyl-

inder movement. During initial cycling of new hydrau-

lic cylinders, approximately 8 3/4 gallons of oil will be

used to ﬁll the new cylinders.

Bleeding Lift Hydraulic System

Figure 1-11

14124

ed, hold the remote lever on for one minute. Check all

hydraulic hoses, cylinders, and ﬁttings for leaks.

4. Retract the cylinder rods. Extend the rods again and

hold the remote lever on for one more minute. Repeat

this step two more times to completely bleed the sys-

tem. If the gauge wheel leveling adjustments are to be

made, see Side to Side Frame Leveling, this section,

on page 19. Leave the cylinders unpinned and the im-

plement frame supported. Again, check all hydraulic

hoses, cylinders, and ﬁttings for leaks.

5. Recheck the tractor hydraulic reservoir and ﬁll to the

proper level.

6. Repin all cylinders. Be sure implement is hooked to

cart and tractor. See Attaching the Cart to the Imple-

ment, this section, on page 16.

7. Slowly extend cylinders until all cylinder rods are com-

pletely extended.

8. Place cylinder lock channels on the front center dual

gauge wheel cylinder rods on both front dual gauge

wheels, see Figure 1-12.

9. If this is the ﬁrst time the implement has been raised,

the shipping stands can now be removed. Make sure

cylinder lock channels are in place and implement

frame sections are sufﬁciently blocked up before at-

tempting to remove shipping stands.

WARNING!

You may be severely injured or killed by being crushed from a

falling implement. Always have gauge wheel cylinder lock

channels in place and frame sufﬁciently blocked up when work-

ing on or around the implement.

Cylinder Lock Channels in Place

Figure 1-12

15125

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