MAINTENANCE INSTRUCTIONS (CONTINUED)
SPARK
PLUG
The following
information is a
guide only. For
more details,
refer to your
“Honda
Owner’s
manual”
supplied with
this unit.
!
NOTE
CLEAN AND RE-OIL THE AIR
FILTER EVERY 5 HOURS OF
OPERATION OR DAILY.
!
NOTE
Using spark plugs other than
those designated may result in
the engine failing to operate properly or in the
engine becoming overheated and damaged.
5. Clean plastic dust cap and housing; press back by
gently tapping into place. Clean inside blade cover
of any built up dirt.
TO REMOVE BLADE COVER LID
Remove 4
screws as shown.
Lift off cover. To
reinstall, reverse
procedure with
blade cover metal
support in place
#43109. Fig. 28.
LOOSE BLADE
Follow steps 1 and 2 of Blade Replacement and tighten
nut clockwise.
LUBRICATION OF GEARS
There is usually sufficient grease to last at least 6 months
or 125 hours for professional use before topping it up.
The grease in the gear case should be added according
to use. Use a lightl, free-flowing lithium-based grease
such as Castrol EPL1 or its equivalent. This is available
in a handy to use squeeze pack with nozzle (#43227).
Remove two screws marked FILL and BLEED. Inject
grease into FILL screw hole and allow grease to begin
to eject from BLEED hole indicating gear box is 3/4 full
(Fig. 29). Refit and tighten BLEED screw and squeeze
in 3 to 4 more lots of grease. Refit FILL screw and tighten.
NOTE: Do not use
light or heavy gear
oil as it might leak
out. If case joint is
damaged, clean
and dry and use a
gasket sealant.
Replace o-ring if
damaged.
Tighten all
screws.
Refill casing.
CHECKING THE SPARK PLUG
Remove engine cover by unscrewing 1x5mm hex bolt
at top of cover (Fig 30). Remove spark plug cap and
unscrew spark plug. If engine is low on power, difficult to
start or runs poorly at idling speed, check the spark plug.
● Allow engine to cool down.
● Remove spark plug.
● Clean dirty spark plug.
● Check electrode gap.
● Rectify faults which have caused fouling of spark
plug. Possible faults include:
– Incorrect carburettor setting.
– Too much oil in oil tank.
– Old fuel.
– Dirty air filter.
– Unfavourable running conditions (e.g. operating
at part load).
Do not clean the spark plug in an abrasive grit spark
plug cleaner, as expensive damage to the engine
could occur through loose grit damaging chrome in
cylinder bore.
Fit a new spark plug after approximately 100 operating
hours or earlier if electrodes are badly eroded.
AIR FILTER MAINTENANCE
The air filter (Fig 31) is one of the most important areas
to maintain. If it is not maintained, you will void the
warranty. Before cleaning, make sure the unit is turned
off.
11
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