.

Stihl Chainsaw Troubleshooting Guide

4. If saw runs but, not on gas in tank, check gas tank for old gas. Empty old gas and, look for syrup in the bottom of the tank, if present clean thoroughly. Use carburetor cleaner, gas and a brush that can reach in and not melt. Try to start with fresh gas mix.

Lincoln LN-25 Care, Maintenance and Troubleshooting

IDLE ROLL PRESSURE SETTING
The idle roll pressure is set at the factory backed out two turns from full pressure. This is an approximate setting. For small wire sizes and aluminum wire, the optimum idle roll pressure varies with type of wire, surface condition, lubrication and hardness. The optimum idle roll setting can be determined as follows:
1. Press end of gun against a solid object that is electrically isolated from the welder output. Press the gun trigger for several seconds.
2. If the wire