To Next PageTo Next PageWhat to do if warm Dolmar Chainsaw engine doesn’t start?
If your warm Dolmar Chainsaw engine doesn’t start, it could be due to a wrong carburetor adjustment or flooding caused by excessive choke usage. Adjust the carburetor and avoid excessive use of the choke.
Why won't my Dolmar Chainsaw start?
Several issues could prevent your Dolmar Chainsaw from starting. It could be a malfunction in the fuel supply or compression system, or a mechanical issue. Check the ignition spark, ensure the fuel tank is full, verify the starter engages, and inspect the wiring for faults. Other potential causes include an incorrectly set choke, a defective carburetor, a dirty fuel filter, or a bent or interrupted fuel line. Adjust the choke, clean or replace the carburetor and fuel filter, and check the fuel line. Also, inspect and replace any defective cylinder base packing rings, radial shaft packings, or piston rings. Replace the spark plug if it doesn't seal properly. Finally, examine the starter spring and any internal engine parts for breakage, repairing or replacing as needed.
What to do if my Dolmar Chainsaw engine starts, but dies immediately?
If your Dolmar Chainsaw engine starts but dies immediately, it could be due to several factors. Check the idling adjustment, and clean the fuel filter and carburetor. The tank venting might be defective, the fuel line interrupted, or the cable or STOP switch defective. Inspect the tank venting, fuel line, cable, and STOP switch. Also, the decompression valve could be dirty, so clean it.
Why is there no chain lubrication in my Dolmar PS-7900?
If your Dolmar Chainsaw isn't lubricating the chain, it could be due to several reasons. The oil tank might be empty, so refill it. The oil guide groove could be dirty, so clean it. The oil-pump adjusting screw might be incorrectly adjusted, so adjust the oil pump. Lastly, the oil pump drive could be defective, so check it for any issues.
What to do if my Dolmar PS-7900 Chainsaw starts then dies?
If your Dolmar Chainsaw starts but immediately dies, the idling might be incorrectly adjusted, or the fuel filter or carburetor might be dirty. Adjust the idling settings and clean or replace the fuel filter and carburetor. Other potential causes include a defective tank venting system, an interrupted fuel line, a defective cable, or a faulty STOP switch. Repair or replace any defective components. Also, the decompression valve might be dirty, so try cleaning it.
Why is my Dolmar Chainsaw hard to start when warm?
If you're experiencing difficulties starting your Dolmar Chainsaw when it's warm, the carburetor adjustment might be incorrect. Adjust the carburetor to the correct settings.
How to unlock the chain on my Dolmar Chainsaw?
If the chain on your Dolmar Chainsaw isn't running, the chain brake may be actuated. Release the chain brake to allow the chain to run.
How to fix insufficient power in my Dolmar PS-7900?
If your Dolmar Chainsaw has insufficient power, the issue might stem from a dirty air filter, incorrect carburetor adjustment, a clogged muffler, a clogged exhaust channel in the cylinder, a clogged spark arrester screen, or a worn piston. To address this, you should clean or replace the air filter, adjust the carburetor, and inspect the muffler and exhaust channels for any blockages.
Covers warranty duration, owner duties, and limitations.
Explains common symbols and critical warnings.
Specific safety guidelines for chain saw users.
Explains dangerous forces like kickback, pushback, and pull-in.
Provides methods to prevent dangerous reactive forces.
Techniques for felling trees, cutting logs, and removing branches.
Identifies all parts of the chain saw with numbers.
Specifications and performance data for the chain saw models.
Detailed guide on fitting and tensioning the saw chain.
Information on fuel mixture, storage, and chain lubrication.
Safe procedures for starting and stopping the engine.
Adjusting the carburetor for optimal performance.
Guide to sharpening the saw chain and using files.
Steps for cleaning and maintaining the air filter.
Overview of required maintenance tasks and frequencies.
Solutions for malfunctions and operational problems.
List of available spare parts and their numbers.
General
