Why is my Dolmar Chainsaw not lubricating the chain?
If your Dolmar Chainsaw isn't lubricating the chain, first check if the oil tank is empty and fill it if necessary. Also, the oil guide groove might be dirty, or the oil pump adjusting screw may be incorrectly adjusted. Clean the oil guide groove and adjust the oil pump.
How to unlock the chain on a Dolmar Chainsaw?
If the chain on your Dolmar Chainsaw does not run, the chain brake may be actuated. Release the chain brake.
What to do if my Dolmar PS-7910 H starts then dies?
If your Dolmar Chainsaw starts but dies immediately, it could be due to several factors. Check the idling adjustment, and clean or replace the fuel filter and carburetor if they are dirty. Also, the tank venting might be defective, the fuel line interrupted, the cable defective, or the STOP switch defective. Finally, a dirty decompression valve can cause this issue. Repair or replace the tank vent, fuel line, or STOP switch. Clean the decompression valve.
How to fix a Dolmar Chainsaw with low power?
If your Dolmar Chainsaw has insufficient power, the air filter might be dirty. The carburetor adjustment could be wrong, or the muffler, exhaust channel in the cylinder, or spark arrester screen might be clogged. Clean or replace the air filter, adjust the carburetor, and clear any clogs in the muffler, exhaust channel, and spark arrester screen.
Why won't my Dolmar Chainsaw start?
There could be several reasons why your Dolmar Chainsaw won't start. It could be a malfunction in the fuel supply, compression, or a mechanical issue. Check the ignition spark, fuel tank, and STOP switch. Other potential causes include a defective wiring, plug cap, or spark plug; a wrongly positioned choke; a defective carburetor; a dirty fuel filter; a bent or interrupted fuel line; a defective cylinder base packing ring or radial shaft packings; defective cylinder or piston rings; a spark plug that doesn't seal; or a broken spring in the starter or broken parts inside the engine. Inspect and repair or replace any defective parts, adjust the choke, clean or replace the carburetor and fuel filter, check the fuel line, ensure proper sealing of the spark plug, and repair or replace the start...
Further safety measures to ensure safe operation and prevent accidents.
Covers safe operation, kickback, operator condition, and symbol descriptions.
Ensuring proper assembly and chain tension before operation.
Safe handling and mixing of fuel and oil for the chain saw.
Provides techniques for holding the saw and making cuts safely.
Explains forces like kickback, pushback, and pull-in, and their causes.
Details how kickback occurs when the guide bar nose contacts an object.
Discusses factors like chain sharpness, depth gauges, and bar nose contact affecting kickback.
Details DOLMAR's chain brake and low-radius guide bars for kickback reduction.
Practical steps to prevent kickback situations and maintain control of the saw.
Explains pushback and pull-in, reactive forces caused by chain stopping on the bar.
Detailed steps and considerations for safely felling a tree.
Instructions for safely cutting logs into sections.
Identifies and labels all parts of the chain saw for reference.
Step-by-step guide for installing the guide bar and saw chain.
Details how to guide the chain and adjust its tension correctly.
Explanation of the inertia chain brake, its function, and activation.
How to manually engage the chain brake for safety or testing.
Procedure for releasing the chain brake before operating the saw.
Information on recommended fuel, oil, and correct mixture ratios.
Step-by-step instructions for safely refuelling the fuel and oil tanks.
Detailed instructions for cold and warm starting the engine.
Essential safety check to ensure the chain brake is operational.
A comprehensive schedule of recommended maintenance tasks and their frequency.
Lists common malfunctions, their observations, and potential causes.
General| Engine Type | 2-stroke |
|---|---|
| Manufacturer | Dolmar |
| Model | PS-7910 H |
| Chain Pitch | 3/8 inch |
| Fuel Tank Capacity | 0.75 liters |
| Oil Tank Capacity | 0.42 L (14.2 oz) |
| Chain Gauge | 1.5 mm (0.058 inch) |
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