Hyundai HYSG150, User Manual, Page: 19 / 28

8. MAINTENANCE
DO NOT carry out any maintenance tasks until the machine has been made safe. To make
machine safe you MUST stop the engine, turn the fuel tap OFF , unplug the spark plug HT
lead . You MUST wear appropriate personal protective clothing to protect yourself. Heavy
duty gloves MUST be worn when changing the blade.
8.1. Spark plug.
8.1.1. You should check the spark plug after every 50 hours of use or if your machine
becomes hard to start. The recommended gap is 0.6mm to 0.7mm
8.1.2. The spark plug should be a tan colour, if it is not then it should be cleaned and
re-gapped as below.
8.2. Fuel tank filter .
8.2.1. Remove filler cap.
8.2.2. Remove fuel filter and clean with solvent.
8.2.3. Wipe off and dry with a clean lint free rag.
8.2.4. Replace filter into fuel tank.
The engine must NOT be run without the air filter element otherwise piston and/or cylinder
wear can occur.
8.3. Air filter.
8.3.1. Maintaining the air filter in good condition is very important. If dirt is allowed
to get into the engine through improperly installed, serviced, or inadequate
elements can damage and wear out the engine. ALWAYS keep the element
clean.
8.3.2. Remove air filter cover.
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