Harbor Freight Tools 67255 User Manual - Page 17

Maintenance and Servicing Procedures not specifically explained in this manual must be performed only by a qualified technician. Safety Setup Operation TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: Make sure that the Trigger is in the off‑position and unplug the tool from its electrical outlet before performing any procedure in this section. TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment. If abnormal noise or vibration occurs, have the problem corrected before further use. Cleaning, Maintenance, and Lubrication 1. BEFORE EACH USE, inspect the general condition of the tool. Check for: • loose hardware • misalignment or binding of moving parts • damaged cord/electrical wiring • cracked or broken parts • dull or damaged Saw Chain • any other condition that may affect its safe operation. 2. BEFORE FIRST USE AND BEFORE EACH USE THEREAFTER, make sure the Oil Tank is filled with Bar and Chain Oil (not included). 3. IF THE SAW CHAIN BECOMES LOOSE, adjust the Saw Chain tension as described under Adjusting Saw Chain Tension on page 10. Chain Guide Bar Care 4. PERIODICALLY OR WHEN REPLACING SAW CHAIN, turn the Chain Guide Bar over to distribute the wear on it. Replace the Guide Bar when bent, cracked, or when the Saw Chain moves excessively from side to side on the Guide Bar due to wear. 5. AFTER USE, wipe the outside surface of the Chain Saw with a clean, dry cloth. If necessary use a mild detergent. Do not use solvents. Do not immerse this tool in liquid. 6. WARNING! If the supply cord of this power tool is damaged, it must be replaced only by a qualified service technician. 1. Remove the Chain Guide Bar periodically to clean and lubricate. 2. Deburr rails of Guide Bar as needed. Use a flat file to make side edges square. 3. Remove sawdust and sap from the Bar Groove using a Guide Bar cleaning tool (sold separately), then lubricate the nose sprocket at the ports with grease. Groove Oil Holes Grease Port Figure M: Cleaning and Lubricating Guide Bar 4. Reverse the Guide Bar when replacing the Saw Chain to prevent uneven wear. 5. The rails of the Guide Bar groove should always be parallel to each other. Place a ruler along the surface of the Guide Bar and Saw Chain. If there is a gap, the bar is normal. Ruler Gap Saw Chain Rail Straight Guide Bar Figure N: Normal Guide Bar If the ruler is flush with the Guide Bar and Saw Chain, or the Chain tilts to one side, then the Bar is worn and needs to be replaced. Ruler Tilting Saw Chain Worn Guide Bar Figure O: Worn Guide Bar Item 67255 For technical questions, please call 1-888-866-5797. Page 17 Maintenance