Why is my primer bulb not working?

When the primer bulb isn’t working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. The same goes for fuel lines. When they’ve hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly.

Can a chainsaw work without a primer bulb?

Similarly, can you run a chainsaw without a primer bulb? No, it won’t work depending on the engine design. Without going into details the primer bulb forces fuel to the carb jets and not the engine directly. It also forces pressure and vacuum.

How do you bypass a primer bulb on a chainsaw?

6 Steps On How To Bypass Primer Bulb On Weedeater

Remove The Screws. You’ll notice that there are two screws on each side of the air bulb.
Pull Away Air Bulb and Metal Plate.
Clean The Air Bulb Seat.
Put The Polythene in Place.
Screw The Metal Plate Back On.
Press The Polythene Ball Few Times.

Why do primer bulbs stick?

The fuel the primer pulls into the combustion chamber is a volatile organic compound — a solvent. Repeated use and extreme summer heat stress the plastic bulb as the gasoline softens it. Depending on how often the little machine starts and its age, the inside of the bulb will eventually get gooey, causing it to stick.

What are the symptoms of a bad primer bulb?

Either the engine randomly runs out of fuel and dies. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going.

How to replace the primer bulb on a Poulan chainsaw?

This article provides step-by-step instructions for replacing the primer (purge bulb) on a Poulan chainsaw. Let’s get started. REMOVING THE PRIMER BULB [top] 1. Drain the fuel. Drain any excess fuel from the tank. 2. Remove the top cover. Remove the (3) screws securing the top cover to the saw. Lift the top cover away from the saw. 3.

How does the fuel filter work on a Poulan leaf blower?

Fuel filter cleans the fuel before it reaches the carburetor. Work in a well-ventilated area when installing this part… Order within the next 4 hrs and your part ships today!

How to find parts for a Poulan gas saw?

Replacement Engines. Parts Lookup – Enter a part number or partial description to search for parts within this model. There are (109) parts used by this model.

When to replace fuel line fitting on Poulan chainsaw?

The Fuel Line Fitting is a plastic part which attaches two pieces of fuel line together. If broken due to damage/fatigue, there may be a leak and the part must be replaced. Install… Order within the next 4 hrs and your part ships today!

Replacement Engines. Parts Lookup – Enter a part number or partial description to search for parts within this model. There are (109) parts used by this model.

Fuel filter cleans the fuel before it reaches the carburetor. Work in a well-ventilated area when installing this part… Order within the next 4 hrs and your part ships today!

What was the problem with my Poulan chainsaw?

The problem was that I did not have forceps, or needle nosed pliers that could reach the end of the hose. Disassembled it and cleaned fuel tank. Cut and ran new fuel lines, installed filter and reassembled. Parts fit perfectly and got running after not running for over 20 years. read more