Question about Greenlee 7646 Hydraulic Punch Driver

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Greenlee 767 hydraulic hand pump has no pressure

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767 hyd pump needs oil added no pressure

Posted on Feb 11, 2014

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Looking for instructions/manual on how to bleed

YOU CAN GET FROM THEM

Posted on Jan 08, 2010

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SOURCE: Fluid leaks from my Greenlee

Go to this link, it is best to have the company do it. They have the right size seals.
http://www.greenlee.com/servicecentersstate.shtml

Posted on Jan 10, 2011

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1 Answer

Need a manuel for a greenlee 785 hydraulic bender


go on web to the manufacturer and find the parts catalogue and down load it from there.

Mar 14, 2014 | Blenders

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Hyraulic brake pump is bad i need a replacement


Are you sure the hydraulic motor is bad?....as it's usually a problem with a relay and/or the pressure switch.

LEARNING ABOUT THE "TEVES" BRAKE SYSTEM
The hydraulic brake booster on a late model Mark VII and early Continental is very different from most. It is equipped with something known as a "TEVES" brake system.
The main parts in the system that we will discuss include an ACCUMULATOR, a HYDRAULIC PUMP, a hydraulic pump RELAY, and a PRESSURE SWITCH. These are the key players in this operation.

THE LOCATION OF THESE PARTS ARE AS FOLLOWS:
HYDRAULIC PUMP MOTOR= Underneath the brake assembly (2 pin connector) Hydraulic pump motor
RELAY = On the drivers side strut tower
PRESSURE SWITCH = 5 pin connector facing the # 7 or 8 spark plug(drivers side)
ACCUMULATOR = Round black ball on the drivers side

WHAT THESE ITEMS DO:
HYDRAULIC PUMP MOTOR is an electric hydraulic pump used to "boost" pressure for the brake assembly. This pump is $900 new!
hydraulic pump motor RELAY is just what its sounds like. It gives the hydraulic pump motor power to come on.
PRESSURE SWITCH is the "brains" in the system. It senses how much pressure is "on line", and when the system needs more pressure, it tells the relay to "power up" the hydraulic pump motor.
Another one of its jobs is to turn on the RED BRAKE LIGHT, then the ANTI-LOCK lights to alert the driver that the pressure is dangerously low. (The reason the anti-lock light comes on, is because the ABS cannot function if there's a problem with the manual brakes)
ACCUMULATOR stores energy or pressure like a reservoir. Its there so the hydraulic pump motor only has to come on every 3rd or 5th time. Its design is more complicated, but basically the same principle as an air tank on a compressor.

WHAT NORMALLY HAPPENS:
What usually happens is, in time, the accumulator gets weak with age and can't hold the pressure like it was designed too, and therefore, the hydraulic motor comes on every time the brakes are applied....rather than every 3rd or 5th time. This means all these parts are working 3 or 5 times more than they were designed to. This puts an extreme amount of pressure on an already old system.
What we know from this is, the accumulator needs replacing because it's what started all this, but now the pressure switch and relay needs replacement also because it has worked overworked.
NOTE: always replace the relay when replacing the pressure switch. The relay came on every time the pressure switch told it too, so if one is worn out....the others not far behind!
hyraulic-brake-pump-bad-need-replacement-q5d1cnsm5fkb13bp03i0fxgj-5-0.gif

Sep 09, 2012 | 1990 Lincoln Mark VII

1 Answer

Filling and bleeding the 767 handpump


where are put the oil, in my 767 hydraulic hand pump, knockout punch..

Dec 23, 2010 | Greenlee 7646 Hydraulic Punch Driver

1 Answer

I need to now how to load tubing in this greenlee hydraulic bender.


You can go to www.greenlee.com and then to to the instruction manual section, you can download a manual depending on model number of the bender you have. For an example: http://www.mygreenlee.com/GreenleeDotCom/im/im1527rev01.pdf

Oct 31, 2010 | Air Tools & Compressors

1 Answer

How do you add hyd oil to hand pump and bleed air out?


have a767 handpump had a leaky swivel joint and oil leaked out need to refill

Sep 15, 2010 | Greenlee 7646 Hydraulic Punch Driver

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Fluid leaked out of greenlee slugbuster and i cant regain pressur


IM ASSUMING YOU HAVE A HAND HELD PUMP AND HE OPENED THE RELEASE VALVE. TRY FILLING THE CYLINDER COMPLETELY AND SEE IF IT WORKS. IF THAT DOESNT FIX IT TRY TAKING THE END OFF THE HOSE AND PUMPING THE AIR OUT, THEN REASSEMBLE.IT MAY HAVE AN AIR TRAP IN IT.

Mar 19, 2009 | Greenlee Home Fencing

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