18
19
ROUTINE MAINTENANCE
DAILY MAINTENANCE
■
Remove dirt and debris from the blower exterior.
■
Inspect the engine, tank and hose for possible fuel
leaks, and
repair where needed.
■
Inspect the engine cooling fins for build up of dirt
or debris,
and clean as necessary.
■
Inspect the entire machine for damage, loose or
missing
components
or
fastenings, and repair as necessary.
EVERY 10 HOURS
(More Frequently in dusty conditions)
1. Loosen the air cleaner cover retaining screw, and remove
the cover and filter element.
2. Inspect the filter. If the filter is distorted or damaged, replace
it with a new one.
3. Wash the filter in clean fuel or soap water, and squeeze or
blow dry. Wash the air cleaner cover in clean fuel, and wipe.
or blow dry.
4. Once dry, install the element and cover, and then tighten the
cover retaining screw.
EVERY 10/15 HOURS
1. Use the spark plug wrench to remove the plug (turn anti-
clockwise to remove).
2. Clean and adjust the spark plug gap to 0.6-0.7mm. Replace
any damaged or visibly worn plug with a champion RCJ6Y
or equivalent.
3. Install the spark plug finger-tight in the cylinder head, and
then tighten it firmly with the spark plug wrench. If a torque
wrench is available, torque the spark plug to 148-165 inch
pounds.
WARNING!
Before performing any maintenance
on this machine, stop the engine and
disconnect the spark plug cap.
EVERY 50 HOURS
(More Frequently in dusty conditions)
INSPECTION
Inspect the entire machine and tubes for damage, including loose or
missing components, and repair as necessary.
SPARK PLUG
Replace the spark plug with a champion RCK6Y, gapped to
(0.6-0.7)mm.
FUEL FILTER
Use a wire hook to extract the fuel filter from inside the fuel tank
and then remove and wash the filter element in clean fuel. Before
reinstalling the filter, inspect the condition of the fuel line. If damaged
or deterioration is noticed, the vacuum should be removed from
service until it can be inspected by a trained service technician.
STORAGE (30 days or longer)
CLEANING
Thoroughly clean the machine exterior
INSPECTION
Inspect the entire machine and tubes for damage, including loose or
missing components, and repair as necessary.
FUEL
Drain the fuel tank and then clear the carburettor and pipes by
running the machine until it runs dry of petrol.
LUBRICATION
Remove the spark plug, and then pour approximately 1/4-oz of oil
into the cylinder through the spark plug hole. Before reinstalling the
spark plug, pull the recoil starter 2 or 3 times to distribute the oil over
the cylinder walls.
AIR CLEANER
Remove, clean and reinstall the filter element.
CAUTION!
Never allow dirt or debris to enter the cylinder bore. Before removing the spark plug, thoroughly
clean the plug and cylinder head area. Allow the engine to cool before servicing the spark plug.
DO NOT tighten or loosen the spark plug while the engine is hot! Incorrect spark plug installation
can result in serious engine damage.