Great-plains ADI334 Operator Manual User Manual download pdf (Page 14)

Section 1 Preparation and Setup

Models ADI334 and ADI345 Air Drill Implement 160-195M 5/11/05

Great Plains Mfg., Inc.

tion. Secure hoses to metering-box-outlet tubes using

2 1/2-inch band clamps and tighten securely. Be sure

outer clamps do not interfere with meter-box latches.

Refer to Figure 1-3.

Figure 1-3

Clamp Positioning

WARNING!

Escaping ﬂuid under pressure can have sufﬁcient pressure to

penetrate the skin causing serious injury. Avoid the hazard by

relieving pressure before disconnecting hydraulic lines. Use a

piece of paper or cardboard, NOT BODY PARTS, to check for

leaks. Wear protective gloves and safety glasses or goggles

when working with hydraulic systems. If an accident occurs, see

a doctor immediately. Any ﬂuid injected into the skin must be

surgically removed within a few hours or gangrene will result.

Connect hydraulic hoses to rear of cart. Refer to Figure 1-

4. Working from left to right, connect hoses in the following

order.

a. Connect fold hoses to outlets on the far right (out-

lets A and B).

b. Connect lift hoses to the next set of outlets (out-

lets C and D).

Figure 1-4

Hydraulic Hose Connections

NOTE: The SAE O-ring and JIC 37˚ ﬂare-type hose con-

nections do not require sealant for reconnecting. They do

not require high torque for a good seal.

6. Plug lead from implement electrical harness into plug

on rear of cart.

7. When all connections have been made, carefully

check all lines to make sure none will be damaged

when implement is operated. Reroute lines or use ca-

ble ties to keep them in a safe place. Check warning

lights for correct operation.

Bleeding the Hydraulics

To function properly, the hydraulics must be free of air. If

the hydraulics have not been bled, the implement will fold

in jerky, uneven motions or some frame sections will run

higher than others.

The hydraulics should be bled during initial implement as-

sembly. If the hydraulics were not bled, or if you replace a

part in the hydraulic system during the life of the drill, com-

plete the following procedures.

Bleeding the Lift System

The implement lift system is equipped with rephasing hy-

draulic cylinders that require a special procedure for bleed-

ing air from the circuit. The rephasing cylinders will function

improperly with air in the circuit, causing uneven seeding

depth across the implement.

WARNING!

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

falling implement. Always have the frame sufﬁciently blocked

up when working on implement.

WARNING!

Escaping ﬂuid under pressure can have sufﬁcient pressure to

penetrate the skin causing serious injury. Avoid the hazard by

relieving pressure before disconnecting hydraulic lines. Use a

piece of paper or cardboard, NOT BODY PARTS, to check for

leaks. Wear protective gloves and safety glasses or goggles

when working with hydraulic systems. If an accident occurs, see

a doctor immediately. Any ﬂuid injected into the skin must be

surgically removed within a few hours or gangrene will result.

1. Check the hydraulic ﬂuid level in the tractor reservoir

and ﬁll to the proper level. Add ﬂuid to the system as

needed while cycling new cylinders. About 8 3/4 gal-

lons of oil will be used to ﬁll new cylinders. A low oil lev-

el may draw air into the system, causing jerky or

uneven cylinder movement.

2. Jack up and support the front member of each frame

section at a point close to each gauge wheel.

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

end of the gauge-wheel cylinders. Pivot the cylinders

up. Wire or otherwise safely support the rod-end port

higher than the base-end port.

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