Saw is stuck at full thottle
Not a real common problem on this model, but I have seen this a few times. 1st if under warranty (take to have serviced). If you want to look at it your self I would start by removing Cover and looking at throttle control linkage (Key image # 38 in image of website below) to make sure that when you press trigger that linkage on carb is moving. Some timaes you can free it but sometimes it is actually the carb sticking.
POULAN Chain Saw Shield cylinder crankshaf Parts Model PP4018 TYPE 1
SOURCE: Poulan 335 chainsaw starts easily and then stalls
1. You will first want to check your fuel lines for cracks/breaks.
2. If they are o.k. then you will need to disassemble the carburetor and spray with carb. cleaner. Make sure that the small screen in carb. is free of debris. Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in carb. Check the gasket and diaphragm for breaksor wear. (NOTE): If your carburetor guts, (Carb. Kit), are more than 3 or 4 years old, you might want to replace them while you have it apart.
If you need further assistance, just let me know.
Jim
SOURCE: Poulan 2 cycle gas chainsaw 18 inch. Was real
no bar oil should just hurt your chain and bar. remove them and try to start saw. if it still won't start you have other problems you may have to buy a new bar and chain
SOURCE: poulan pro 220 chainsaw owner's manual for tune-up
you could try cleaning the carb and filter. make sure your fuel lines are clean too
SOURCE: How to repair Poulan Pro PP4018 with a bad clutch?
Hello Paul;
A link to a Poulan "PP4018 Gas Saw Type 2 follows (may not be your saw):
http://www.ordertree.com/modelinfo/PWE/PP4018-Poulan-Pro-Gas-Saw-Type-2/75.PP4018-Poulan-Pro-Gas-Saw-Type-2.1.59.1.html
If yours is not a "Type 2" all IPLs can be found here:
The IPL (exploded parts list) for your saw is beneficial with disassembly/reassembly:
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
The dash number of your serial number is the type.
The 4018 link has an inboard clutch the drive link is changed as demonstrated here (chain brake must be released else you cannot remove the clutch drum):
R² Drive Link Inboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=YUbSIHMSSP8
The C-clips tend to fly when being removed. Please wear eye protection and exercise care.
If the actual clutch needs replacement continue with the remaining pieces as follows (IMO if changing the actual clutch the bearing should be replaced too):
R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.
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