Great-plains 2S-2600HDF Predelivery Manual User Manual download pdf (Page 22)

20 2S-2600HD Great Plains Manufacturing, Inc.

195-069Q 08/01/2007

Bleeding Hydraulics

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

hydraulics have not been bled, they will operate with

jerky, uneven motions and could cause wings to drop

rapidly during folding or unfolding. If hydraulics were not

bled during initial implement setup or if you replace a

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

plete the following procedures.

WARNING

Escaping ﬂuid under pressure can penetrate the skin causing

serious injury. Avoid the hazard by relieving pressure before

disconnecting hydraulic lines. Use a piece of paper or card-

board, NOT BODY PARTS, to check for suspected 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 may result.

WARNING

Raising openers on unfolded, unhitched drill will cause drill

tongue to rise suddenly, which could cause serious injury or

death. Be certain that drill is hitched securely to your tractor

drawbar and the safety chain is securely attached to tractor

before raising openers and unfolding drill.

IMPORTANT !

Bleed only at:

JIC (Joint Industry Conference, 37° ﬂare) or

NPT (National Pipe Thread, tapered thread) ﬁttings.

Never bleed at:

ORB (O-Ring Boss) or

QD (Quick Disconnect) ﬁttings.

Check hydraulic ﬂuid level in tractor reservoir and ﬁll to

proper level. Add ﬂuid to system as needed.

Note: System capacity for entire drill is about

⁄

U.S. gallons

(17 liters).

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Great-plains 2S-2600HDF Predelivery Manual User Manual Page 22