Stihl HS 87 Instruction Manual - Page 26
Lubricating the Gearbox
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English 3 Installing the spark plug Lubricating the Gearbox N Fit the spark plug by hand and 1 screw it in N Tighten spark plug with combination wrench N Press the spark plug boot firmly onto the spark plug Use STIHL gear lubricant for hedge trimmers (special accessory) to lubricate the blade drive gear. 2 0000-GXX-1830-A0 WARNING To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. Always press the spark plug boot (1) firmly and securely onto the spark plug terminal (2). Do not use a spark plug with a detachable SAE adapter terminal (3). Arcing may occur that could ignite combustible fumes and cause a fire. This can result in serious injuries or damage to property. N Only use resistor type spark plugs with solid, non-threaded terminals 24 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
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