Maintenance; Pressure Washer Maintenance; After Use Maintenance; Changing Oil - KNOVA KN 9832-G Manual

MAINTENANCE

Regular maintenance will extend the life of this pressure washer
and improve its performance. The warranty does not cover
items that result from operator negligence, misuse, or abuse.
WARNING
Before inspecting or servicing this machine, make sure the
engine is off and no parts are moving. Disconnect the spark
plug wire and move it away from the spark plug.
PRE-OPERATION CHECK LIST
Before starting the engine, perform the following pre-operation
steps:
• Check the level of the engine oil and the fuel tank level
• Make sure the air filter is clean.
• Remove any debris that has collected on the pressure washer.
• Check water inlet screen for damage. Clean inlet screen if it
is clogged.
• Check high pressure hose for damage.
• Briefly run garden hose to flush out any debris.
• Inspect the work area for hazards.
REMOVE DEBRIS
• Clean any debris that has collected around or behind the
muffler, cleaning system, and controls.
• Use a damp cloth to wipe exterior surfaces. If dirt is caked on,
use a soft bristle brush.
POST-OPERATION CHECKLIST
Follow the following procedure after each use:
• Shut off engine and turn off water supply. Release water
pressure by pointing spray gun in a safe direction and squeezing
the trigger.
• Disconnect high pressure hose, spray gun, and nozzle. Drain
water from items and use a rag to wipe down the outside of the
hose and spray gun.
• Empty the water from the pump by pulling the recoil starter 6
times.
• Store unit in a clean and dry area.
CHANGING ENGINE OIL
Engine oil will drain better if the engine is still warm, but not hot.
• Shut off engine.
• Clean the area around the oil fill cap / dipstick to keep out
debris then remove oil fill cap / dipstick.
• Place an oil pan on the ground to catch oil. Remove oil plug
then tilt pressure washer back and to the side to empty out the
oil from the crankcase.
• Once oil is completely drained, return the pressure washer to
a level position and refill with new oil as instructed earlier in this
manual under Adding / Checking Oil.
CHECKING DETERGENT SIPHONING TUBE
• Check the detergent siphoning tube for clogs, leaks, or tears.
• Make sure the tube fits tightly to the pump fitting.
• Replace siphoning tubes if damaged.
WARNING
Never repair high pressure hose or use unit if hose is damaged.
If hose is damaged replace with identical Power Plus part.
HIGH PRESSURE HOSE
• Inspect hose for cuts, bulges, or leaks which can develop from
kinking or wear. If damage is found, immediately replace hose.
• Inspect couplings for damage. Immediately replace hose if
damage is found.
SPRAY GUN
• Make sure the spray gun is connected securely.
• Inspect the spray gun safety and make sure the spray gun
trigger springs back upon release.
NOZZLE
If a pulsing sensation is felt while squeezing the trigger, the nozzle
may be dirty or clogged and should be cleaned immediately.
• To clean the nozzle, shut off the engine and turn off the water.
• Remove the nozzle from the spray wand making sure that the
nozzle is pointing away from you and in a safe direction.
• Use a small paper clip to dislodge any foreign materials which
are clogging or restricting the spray tip.
• Flush debris out of the nozzle by back flushing with a garden
hose for 30-60 seconds.
• Reconnect the nozzle to the spray wand.
• Turn the water supply back on and start engine
CHECKING SPARK PLUG
• Disconnect the spark plug wire from the spark plug.
• Before removing the spark plug, clean the area around its
base to prevent debris from entering the engine.
• Clean carbon deposits off the electrode with a wire brush.
• Check the electrode gap and slowly adjust to .762 mm if
necessary.
• Reinstall spark plug and tighten to Torque 22.0 – 26.9 Nm
(16-20 ft-lb).
• Reconnect spark plug wire.
• If spark plug is worn replace only with specified Power Plus
replacement part. Spark plug should be replaced annually.
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