User manual MAKITA UC4020A

[. . . ] Guide bar Saw chain Lever Sprocket cover Oil level sight 11. Sight glass Serrated rail Felling area Oil guide groove Oil feed hole Push nut Slotted bit screwdriver Filter Sprocket Acoustic power level L WA av dB (A) to EN 50144 -1 1) Sound pressure level L pA av dB (A) at the workplace to EN 50144 -1 1) Vibration acceleration a h, w av to ISO 50144-2-13 1) - Front handle m/s2 - Rear handle m/s Oil pump Oil tank capacity (l) Power transmission Chain brake Run-down brake Overall length (without guide bar) Net weight Extension cable (optional) 1) The data assign equal weight to the full-load and maximum speed operating conditions. Due to our continuing program of research and development, the specifications herein are subject to change without notice. Note: Specifications may differ from country to country. [. . . ] Installing or removing saw chain should be carried out in a clean place free from sawdust and the like. Before starting work, carry out the following checks: Checking the chain tension (Fig. 18) WARNING: · Always withdraw the mains plug before checking the chain tension, and wear safety gloves. The saw chain is correctly tensioned when it is in contact with the underside of the bar and can be raised approximately 2 - 4 mm from the bar by light finger pressure. Check the chain tension frequently, as new chains are subject to elongation. A chain which is too slack can jump off the bar, and therefore presents an accident risk. If the chain is too slack: Refer to the section titled "Adjusting saw chain tension" and adjust the saw chain tension again. It must not be possible to depress the switch trigger unless the lock-off button is first depressed. the switch trigger must not jam in the depressed position. When released, the switch trigger must return automatically to the OFF position, and the lock-off button must return to its original position. If the chain saw fails to start, the chain brake must be released. Pull the hand guard backwards firmly until you feel it engage. Hold the chain saw with both hands when switching it on. Hold the rear handle with your right hand, the front handle with your left. The bar and the chain must not be in contact with any object. First press the lock-off button, then the switch trigger. check the oil delivery as follows: Start the chain saw. With the saw running, hold the saw chain approximately 15 cm above a tree trunk or the ground. If lubrication is adequate, the oil spray will produce a light oil trace. Observe the wind direction, and do not expose yourself to the oil spray unnecessarily. cAUTION: · If an oil trace is not formed, do not use the saw. Clean the oil feed groove and the oil feed hole in the bar (refer to "MAINTENANCE"). [. . . ] store the chain saw on a suitable surface. Before returning the chain saw to service, fill up with fresh BIOTOP saw chain oil. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized Service Centers, always using Makita replacement parts. These accessories or attachments are recommended for use with your Makita tool specified in this manual. [. . . ]