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1998 - Volume #22, Issue #4, Page #42

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"Easy Connect" Male Tip For Hydraulic Hoses

The challenge of trying to find a "damage proof" way to hook up hydraulic hoses under pressure led to the invention of a new male tip that the manufacturer says lets you hook up hoses easily at all times.
Anyone who's ever tried to hook up hydraulic hoses to an implement knows the problem: the male end is tough to couple to the female end because there's still pressure in the male end. You have to release the pressure and it's usually done by forcing the nipple or ball of the male tip open using a hammer or just hitting the tip against a solid surface, squirting oil all over your hands and clothes.
The result can be a damaged valve ball or nipple which may reduce oil flow or make the tip unusable. Also, metal and dirt particles can contaminate the oil, whcih results in more damage to the hydraulic system.
The patented Schumacher "easy connect" male tip is designed to fit into any standard female end. When you push the male into the female end, a pin in the nipple of the male tip pushes against the nipple of the female end until the female end opens completely and bottoms out. As you continue pushing, the pin is pushed backward into the male nipple and opens a pressure relief valve. The pressure on the male side is released and the pressurized oil flows past the pin into the female end. Continued pushing causes the male nipple to open and the bodies to couple.
"Other systems have valves that remain closed while the bodies couple," says Joe Whitney, S & I Distributing, St. Marys, Ohio. "You can't open the coupler valves until the control valve is opened and the oil flow has started. The valves aren't back pressure safe and tend to lock and close under large volumes. They're also more expensive than our system."
Two different styles are available, one for 1/2-in. dia. pipe thread and the other for a 3/ 4-in. dia. O-ring. To install either one, simply screw off the old coupling and screw on the new one.
Sells for $7.95 plus S&H.
Contact: FARM SHOW Followup, S.I. Distributing, 03221 Barber-Werner Rd., St. Marys, Ohio 45885 (ph 800 368-7773).

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"Easy Connect" Male Tip For Hydraulic Hoses TRACTORS Hydraulics 22-4-42 The challenge of trying to find a "damage proof" way to hook up hydraulic hoses under pressure led to the invention of a new male tip that the manufacturer says lets you hook up hoses easily at all times. Anyone who's ever tried to hook up hydraulic hoses to an implement knows the problem: the male end is tough to couple to the female end because there's still pressure in the male end. You have to release the pressure and it's usually done by forcing the nipple or ball of the male tip open using a hammer or just hitting the tip against a solid surface, squirting oil all over your hands and clothes. The result can be a damaged valve ball or nipple which may reduce oil flow or make the tip unusable. Also, metal and dirt particles can contaminate the oil, whcih results in more damage to the hydraulic system. The patented Schumacher "easy connect" male tip is designed to fit into any standard female end. When you push the male into the female end, a pin in the nipple of the male tip pushes against the nipple of the female end until the female end opens completely and bottoms out. As you continue pushing, the pin is pushed backward into the male nipple and opens a pressure relief valve. The pressure on the male side is released and the pressurized oil flows past the pin into the female end. Continued pushing causes the male nipple to open and the bodies to couple. "Other systems have valves that remain closed while the bodies couple," says Joe Whitney, S & I Distributing, St. Marys, Ohio. "You can't open the coupler valves until the control valve is opened and the oil flow has started. The valves aren't back pressure safe and tend to lock and close under large volumes. They're also more expensive than our system." Two different styles are available, one for 1/2-in. dia. pipe thread and the other for a 3/ 4-in. dia. O-ring. To install either one, simply screw off the old coupling and screw on the new one. Sells for $7.95 plus S&H. Contact: FARM SHOW Followup, S.I. Distributing, 03221 Barber-Werner Rd., St. Marys, Ohio 45885 (ph 800 368-7773).

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