Introdução
Use this guide to replace the chain on a Barreto Trencher E718MTH4S 2016.
Position the trencher on a flat surface, turn the engine off, and ensure that the trencher is completely powered off before starting any work.
O que você precisa
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Make sure that both ignition switches are turned to the off position. There is one on the engine and one on the control panel.
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Pull the ring near one of the wheel hubs straight out, away from the wheel.
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Rotate it so that the small roll pin lines up with its slot.
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Release the ring so that the lock pin slides into the wheel. You may need to rotate the wheels a little before the lock pin fully engages.
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Repeat this step so that the lock pins on both wheels are engaged.
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Rotate the auger to move the chain until its master link (the link with the removable pin) is easily accessible.
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Use a pair of needle-nose pliers to straighten both sides of the cotter pin securing the pin in the master link.
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Insert the new cotter pin into the chain pin.
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Use a set of needle-nose pliers to bend each half of the cotter pin back around the chain pin to secure the cotter pin.
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Turn the auger to move the chain until the master link is positioned on top of the boom.
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Place the smaller, flat end of a 3/16 inch pin punch against the end of the master link pin that previously held the cotter pin.
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Hit the larger end of the punch with a heavy hammer to tap the pin out of the master link.
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If you are still having trouble, a two-jaw gear puller or in-line pin puller might work better. When using a gear puller, it might be necessary to stabilize the claw side of the puller with some kind of spacer that won't be crushed when you start pushing the pin out. A 3/4 inch socket works well.
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Lift the chain off of the dig sprocket and chain roller and remove it from the trencher.
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To reassemble your device, follow these instructions in reverse order.
When you reassemble the chain, make sure to use a new cotter pin.
After reassembly, make sure the chain is properly tensioned and grease the chain roller Zerk fitting.
To reassemble your device, follow these instructions in reverse order.
When you reassemble the chain, make sure to use a new cotter pin.
After reassembly, make sure the chain is properly tensioned and grease the chain roller Zerk fitting.
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2Comentários do guia
Parts section has wrong chain listed. Chain listed is a roller chain which I am assuming is for the wheel drive. Trenching chain part # as of 10/27/23 is 03626-4S. 18" welded shark.
thank you so much!
LUNA -
Why 10311 for the chain roller assembly? It doesn't include the bearings. Part number 00265 includes the bearings.
JAMES - Responder
It's also important to ensure that the boom cushion washer is still between the tension bolt and the boom cushion. Mine was missing and the tension bolt was screwed all of the way in, which took it halfway through the boom cushion, which resulted in a chain that was too loose.
JAMES - Responder