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What does the model 735-m surge anticipating valve do?

What does the model 735-m surge anticipating valve do?

The Model 735-M Surge Anticipating Valve is an off-line, hydraulically operated, diaphragm actuated valve. The valve, sensing line pressure, opens in response to the pressure drop associated with abrupt pump stoppage. The pre-opened valve dissipates the returning high pressure wave, eliminating the surge.

What does it mean when your motor surges while driving?

The motor surges on and off while I am driving. Here’s the specifics: – The surges last for just a split second, but as soon as the RPMs drop back to normal, another surge will kick in so the tach is bouncing up and down. Are these symptoms indicative of any commonly known problems?

What does surge anticipating valve do on drip pump?

The Surge Anticipating Valve shall open in response to the pressure drop associated with abrupt pump stoppage to dissipate the returning high pressure wave, eliminating the surge. It shall smoothly close drip tight as quickly as the relief feature allows, while preventing closing surge. The valve shall also relieve excessive system pressure.

When does the surging motor of a Dodge truck go away?

Annoying part is a can drive the truck one day without a glitch, next day it’s surging alot I also have this problem with my 2001, with a 5 speed. It occurs when trying to maintain low speeds in 3rd, 4th and 5th gears, anywhere below 1300 RPM. The surging goes away when I accelerate harder.

When to set DTC for engine surge maintenance?

• After driving at 6.25 mph or more, the actual engine idling speed varies from the target idling speed by between 100 and 200 rpm, five times or more during a drive cycle. • If the actual idling speed varies from the target idling speed by more than 200 rpm five times or more during a drive cycle, the ECM illuminates the MIL and sets the DTC.

What happens when you have an engine surge?

Basically, when an engine surges, you notice your car speeding up and slowing down even while you keep the accelerator steady. You may notice the tachometer fluctuating, for example, from 1500 to 2000 rpm. At the same time, you may feel a soft and rhythmic jerking motion.

Is there a diagnostic code for an engine surge?

Still, these actuators and sensors may trigger a pending code in the computer memory that can give you a clue about the component or system involved in the fault. So download diagnostic trouble codes, even if the CEL is not on.

What kind of motor surges while driving?

Enter your ride HERE to be a part of this month’s Ride of the Month Challenge! Hello all, I have an 01 CTD with approx 167K that has a strange problem. The motor surges on and off while I am driving. Here’s the specifics:

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Ruth Doyle