OREC AHRC 663 Operating Instructions Manual page 11


Maintenance
 Be sure to switch off the engine and remove the spark plug cord before performing any
inspection, adjustment or maintenance on this machine.
 W hen performing inspection, adjustment or maintenance, use appropriate tools in order to
work as safely as possible.
 Perform periodic inspection in order to work as safely as pos sible. If you discover any worn or
damaged parts, please replace them with recommended parts only.
 This machine is equipped with extremely sharp blades. W hen inspecting or handling the
machine, do not directly touch the blades. Exercise caution by wearing gloves and wrapping
the blades in cloth. Furthermore, if you notice any abnormalities in the blades, do not try to
repair them but have them replaced. Taking this precaution can avoid injury and accidents.
 Damage to the belt cover, blade cover, or flying d ebris prevention cover, could cause injury or
accidents. Be sure to have any damaged parts replaced before using the machine again.
 Be sure to check that the covers of rotating parts are refitted correctly in their original positions
after being removed. P oorly fitted covers could open during operation and cause serious
injury.
 Check that all nuts and bolts are securely tightened.
 Perform comprehensive inspection and adjustment of such parts as drive clutch, blade clutch,
brake, throttle, and gear change.
 W hen rubber fuel lines become old, they can split and dangerous fuel leaks can occur. Change
rubber parts if they split or every 3 years regardless of damage. At this time, also change the
fastening bands for the new parts.
 Be sure to check that the bolts i n the wheels and blades are tightly fastened. Make sure that
the detachable cover used for changing the blades is closed before operating the machine.
 W hen replacing the blades, also replace the attached nuts and bolts. There is a possibility of
accidents caused by worn or damaged parts. Never substitute nuts and bolts with those that
are not recommended.
 Remove fuel when storing or transporting the machine. Accidents and damage can be caused
by fuel spills or spoiled fuel.
 W hen storing the machine, place i t on a flat surface away from sources of flame. Taking
precautions can avoid accidents and damage.
 Before storing the machine, remove foreign material such as weeds and leaves. Clean away
any oil spills or unsure of meaning.
 Make sure that the engine has c ompletely cooled before covering the machine with a storage
cover.
Depending on operating conditions, there may be occasions when incidents arise which ar e not
covered by the warnings in this manual. The operator should always use common sense and put
safety first when using this machine.
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