71. Relieving cut2. Cross cutTension sidePressure side1. Relieving cut2. Cross cutTension sidePressure side333435Maintenance and RepairNever operate a chain saw that is damaged, improperlyadjusted or not completely or securely assembled.Follow the maintenance and repair instructions in theappropriate section of this manual.WARNING !Always stop the engine and make sure that the chainis stopped before commencing any maintenance orrepair work or cleaning the saw. Allow the chain sawto cool off before doing any maintenance work (burnhazard)! Chain saws with catalytic converter takelonger to cool down!Do not attempt any maintenance or repair work notdescribed in this manual. Have such work performedby your MAKITA service shop only.Maintaining and storing the sawKeep the chain, bar and sprocket clean and lubricated;replace worn sprockets or chains.Keep the chain sharp. You can spot a dull chain wheneasy-to-cut wood becomes hard to cut and burn marksappear on the wood.Keep the chain at proper tension. Tighten all nuts, boltsand screws except the carburetor adjustment screwsafter each use.Keep spark plug and wire connection tight and clean.Store saws in a high or locked place, away from chil-dren.WARNING!5. Logs under strain require special attention to pre-vent the saw from pinching. The first cut is madeon the compression side to relieve the stress onthe log (see fig. 33, 34). The bucking cut is thenmade as shown. If the saw pinches, stop theengine and remove it from the log.WARNING!6. Only properly trained professionals should workin an area where the logs, limbs and roots aretangled (i. e. a blowdown area, fig. 35). Workingin blowdown areas is extremely hazardous.WARNING!7. Drag the logs into a clear area before cutting.Pull out exposed and cleared logs first.