Введение
Almost all gas now contains up to 10% ethanol. Ethanol is one of the leading causes of damage to small gas engines. The alcohol can cause corrosion on rubber and plastic parts and can make gas powered yard tools almost impossible to start. I will illustrate how to replace the parts that are most common to fail,the primer bulb and fuel lines. While disassembled I will also illustrate how to replace the fuel filter and air filter of the Poulan P3314 2-Cycle Chainsaw.
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Unscrew the three T25 screws on the top cover.
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Remove the top cover and set aside.
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Remove the four T25 screws securing the starter assembly to the (side) of the chainsaw.
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Remove the starter assembly and set aside.
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Remove the air filter cover and set aside.
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Remove the air filter from the housing and set aside.
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Unscrew the single T25 screw securing the air filter housing to the carburetor.
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Remove the two 5/16"nuts securing the air filter housing to the carburetor.
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Remove the air filter housing from the carburetor.
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Let the air filter housing rest on the side of the chainsaw.
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Using a flat head screw driver or opening tool to disconnect the (primer-side) fuel line from the carburetor.
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Pull and hold the throttle trigger to expose the throttle linkage attachment point (on the trigger).
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Disconnect the linkage from the throttle trigger.
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Disconnect and remove the throttle linkage from the carburetor.
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Set the throttle linkage aside.
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Using a flat head screwdriver or spudger to press the tabs on the inside of the primer bulb assembly. (This will release the primer bulb from the housing).
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Pull the damaged primer bulb out of the engine housing.
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Use long needle nosed pliers to disconnect the two fuel lines from the primer bulb.
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If the primer suction line was damaged, slide the carburetor back onto the mounting bolts.
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Attach one end of the new fuel line to the incoming fuel port on the carburetor.
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Move the fuel line through the primer bulb housing and hold the primer bulb up to the fuel line.
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Mark desired length and cut to size.
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Attach the cut end of the primer fuel line to the intake port of the primer bulb (shorter nipple).
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Slide the carburetor back off of the mounting bolts.
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Cut and remove the remaining old fuel lines by pulling them through the housing.
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Unscrew and remove the gas cap.
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Pull out and remove old fuel lines and fuel filter.
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Push a piece of scrap wire through the larger hole (fuel filter line).
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Use a pair of long needle nose pliers or hemostats to grab the other end through the gas tank.
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Cut a piece of the thicker diameter fuel line at a sharp angle.
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Pierce the wire through the fuel line and twist the wire with pliers.
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Feed the fuel line through the gas tank while pulling the wire.
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Use pliers to continue to pull the fuel line through the housing.
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Feed the wire through the small hole (fuel return).
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Feed the fuel line through the gas tank while pulling the wire as in the previous step.
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Pull both fuel lines up through the housing.
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Attach the larger diameter fuel line (fuel filter line) to the intake inlet on the carburetor.
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Attach the smaller diameter fuel line (fuel return line) to the return port on the primer bulb (longer nipple).
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Slide the carburetor back onto the mounting bolts while pulling out the slack out of the fuel lines from the gas tank.
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Push the primer bulb back into the housing.
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Cut the smaller diameter fuel line (fuel return line) and push it into the gas tank.
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Cut the fuel filter line and attach the new fuel filter.
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Push the fuel filter line into the gas tank.
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Reconnect the throttle linkage to the carburetor linkage.
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Pull and hold the throttle trigger to expose the attachment point for the trigger-portion of the throttle linkage.
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Connect the throttle linkage to the throttle trigger.
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Reconnect the choke lever.
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Slide the air filter housing back onto the carburetor mounting bolts.
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Secure the air filter housing with the two 5/16" nuts.
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Secure air filter housing with one T25 screw.
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Install the new air filter onto the air filter housing.
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Install the air filter cover.
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Connect the kills switch wire.
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Install the starter assembly onto the engine.
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Secure the starter assembly with four T25 screws.
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Pull the starter rope slowly until the flywheel engages the starter assembly.
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Reconnect the spark plug.
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Install the top cover and secure with three T25 screws.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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38 участников успешно повторили данное руководство.
Команда
Pasco Hernando, Team S4-G44, Prince Fall 2017 Участник Pasco Hernando, Team S4-G44, Prince Fall 2017
PHSC-PRINCE-F17S4G44
1 член
Автор 4 руководств
20 Комментариев
Any idea where I downloaded shop manuals for small engin repairs looking for stihl 039 manual
Yes I would try manuals.lib at the Google play store.
Daniel. Here you go. Hope this works out for you.
Excellent instructions
Thank You
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