Homelite UT10660 User Manual - Page 28
Adjusting The Chain Tension, Warning, Caution
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MAINTENANCE ADJUSTING THE CHAIN TENSION See Figures 44 - 46. WARNING: Never touch or adjust the chain while the engine is running. The saw chain is very sharp. Always wear protective gloves when performing maintenance on the chain. n Stop the engine before setting the chain tension. n Make sure the bar mounting nuts are loosened to finger tight. n Turn the chain tensioning screw clockwise to increase tension the chain. NOTE: A cold chain is correctly tensioned when there is no slack on the underside of the guide bar, the chain is snug, and it can be turned by hand without binding. n Retension the chain whenever the flats on the drive links hang out of the bar groove. NOTE: During normal saw operation, the temperature of the chain increases. The drive links of a correctly tensioned warm chain will hang approximately 0.050 in. out of the bar groove. The tip of the supplied combination wrench can be used as a guide to help determine the correct warm chain tension. NOTE: New chains tend to stretch; check the chain tension frequently and tension as required. CAUTION: A chain tensioned while warm may be too tight upon cooling. Check the "cold tension" before next use to avoid possible injury. FLATS ON DRIVE LINKS ≈ 0.050 in. ≈ 0.050 in. Fig. 43 Fig. 44 Fig. 45 Fig. 46 Page 28 - English