Stihl HS 87 R Product Instruction Manual - Page 23
Lubricating the Gearbox
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Lubricating the Gearbox 1 English N Remove the tube of grease (2). N Refit the filler plug and tighten it down firmly. Use STIHL gear lubricant for hedge trimmers (special accessory) to lubricate the blade drive gear. 2 000BA071 KN WARNING To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the proper size. (Note: If terminal has detachable SAE adapter nut, it must be securely attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. Installing the spark plug N Fit the spark plug by hand and screw it in N Tighten spark plug with combination wrench N Press the spark plug boot firmly onto the spark plug After about 25 hours of operation: N Remove the screw plug (1) from the gear housing on the underside of the unit. N Screw the tube of grease (2) into the filler hole. N Squeeze up to 1/4 oz (5 g) grease into the gearbox. NOTICE Do not completely fill the gearbox with grease. HS 87 R, HS 87 T 21