Ryobi RY43161 Operation Manual - Page 17

MAINTENANCE n Hold the tip of the bar up and tighten the chain cover screw securely. n Chain is correctly tensioned when there is no slack on the underside of the bar, the chain is snug, but it can be turned by hand without binding. NOTE: If chain is too tight, it will not rotate. Loosen the chain cover screw slightly and turn adjusting screw 1/4 turn counterclockwise. Lift the tip of the bar up and retighten chain cover screw. CHAIN OILER See Figure 17. Use Premium Bar and Chain Lubricant. It is designed for chains and chain oilers and is formulated to perform over a wide temperature range with no dilution required. n Stop the motor and disconnect from power supply. n Remove the cap and carefully pour approximately 2 oz. of bar and chain lubricant into the bar lube reservoir. n Replace the cap and tighten securely. n Check and refill the bar lube reservoir every time the pole saw is used. NOTE: Do not use dirty, used, or otherwise contaminated lubricants. Damage may occur to the oil pump, bar, or chain. CHAIN MAINTENANCE See Figure 18. CHAIN COVER SCREW REMOVE CAP Fig. 16 BAR LUBE RESERVOIR WARNING: Before performing any maintenance, make sure the tool is unplugged from the power supply to avoid accidental starting and possible serious personal injury. For smooth and fast cutting, the chain needs to be maintained properly. The following conditions indicate that the chain requires sharpening: n Wood chips are small and powdery n Chain must be forced through the wood during cutting n Chain cuts to one side During maintenance of the chain, consider the following: RAKER (DEPTH GAUGE) CLEARANCE Fig. 17 .025 in. Fig. 18 n Improper filing angle of the side plate can increase the risk of a severe kickback. n Depth gauge (or raker clearance) setting determines the height the cutter enters the wood and the size of the wood chip that is removed. Page 17 - English