Zenoah CHTZ6000 - Manual (Page 14)

GB-14
HTZ7500 / CHTZ6000 / CHTZ7500
8. Maintenance 9. Storage
1. Oil the blade to prevent rust.
2. Empty the fuel tank and put the cap back on.
3. Remove the spark plug, pour a small amount of oil
into the cylinder.
4. Rotate the crankshaft several times using the start-
ing rope in order to distribute the oil. Put the spark
plug back in.
5. Wrap the engine with a plastic sheet.
6. Store the trimmer indoors in a dry place, dust free
place, out of the reach of children, preferably not in
direct contact with the floor and away from heat
sources.
REDUCTION GEARBOX
Refill gear housing every 50 working hours.
Use greese pump. Feed greese until it comes out of the
base of blades.
PROCEDURES TO BE PERFORMED AFTER EV-
ERY 100 HOURS OF USE
1. Remove the muffler, insert a screwdriver into the vent,
and wipe away any carbon buildup. Wipe away any
carbon buildup on the muffler exhaust vent and cylin-
der exhaust port at the same time.
2. Tighten all screws, bolts, and fittings.
3. Check to see if any oil or grease has worked its way
in between the clutch lining and drum, and if it has
wipe it away using oil-free, lead-free gasoline.
11. Troubleshooting guide
Case 1. Starting failure
CHECK PROBABLE CAUSES ACTION
fuel tank
→ incorrect fuel → drain it and use correct fuel
fuel filter
→ fuel filter is clogged → clean
carburetor adjustment screw
→ out of normal range → adjust to normal range
sparking (no spark)
→ spark plug is fouled/wet → clean/dry
→ plug gap is incorrect → correct (GAP: 0.6 ~ 0.7 mm)
spark plug
→ disconnected → retighten
Case 2. Engine starts but does not keep running/hard re-starting
CHECK PROBABLE CAUSES ACTION
fuel tank → incorrect fuel or staled fuel → drain it and use correct fuel
carburetor adjustment screw
→ out of normal range → adjust to normal range
muffler, cylinder (exhaust port)
→ carbon is built-up → wipe away
air cleaner
→ clogged with dust → wash
cylinder fin, fan cover
→ clogged with dust → clean
When your unit seems to need further service, please consult with our ZENOAH service shop in your area.
10. Disposal
When disposing your machine, fuel or oil for the machine,
be sure to allow your local regulations.
Grease nipple:
A type