Homelite UT80516 User Manual download pdf (Page 17)

Page 13 — English

MAINTENANCE

WARNING:

When servicing, use only identical replacement parts.

Use of any other parts may create a hazard or cause

product damage.

WARNING:

Always wear eye protection with side shields marked to

comply with ANSI Z87.1. Failure to do so could result in

objects being thrown into your eyes resulting in possible

serious injury.

WARNING:

Before inspecting, cleaning or servicing the machine, shut

off engine, wait for all moving parts to stop, and discon-

nect spark plug wire and move it away from spark plug.

Failure to follow these instructions can result in serious

personal injury or property damage.

GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic parts. Most

plastics are susceptible to damage from various types of

commercial solvents and may be damaged by their use.

Use clean cloths to remove dirt, dust, lubricant, grease, etc.

WARNING:

Do not at any time let brake fluids, gasoline, petroleum-

based products, penetrating lubricants, etc., come in con-

tact with plastic parts. Chemicals can damage, weaken or

destroy plastic which may result in serious personal injury.

Only the parts shown on the parts list are intended to be

repaired or replaced by the customer. All other parts should

be replaced at an authorized service center.

Before running the engine, perform the following pre-

operation steps:

Check that all bolts, nuts, etc., are securely tightened.

Make sure the air filter is clean.

Check both the engine lubricant level and the fuel tank

level; refill as needed.

Inspect the work area for hazards.

If there is excessive noise or vibration, stop the unit

immediately.

CLEANING THE AIR FILTER

See Figure 17.

A dirty air filter will cause starting difficulty, loss of

performance, and shorten the life span of the engine. Check

the air filter monthly. For best performance, replace the air

filter at least once a year.

NOTE: DO NOT remove the shroud as you could disconnect

or loosen the wire connecting the OFF switch to the engine

making it inoperable.

Press in on the latch to open the cover.

Remove the air filter cover.

Lift the edge of the air filter carefully and pull it out.

Wash the air filter with warm, soapy water.

Rinse and squeeze to dry.

Put small amount of motor oil (SAE 30) on the filter

sponge. Squeeze out the excess oil then reinstall the air

filter.

NOTE: Make sure the filter is seated properly inside the

cover. Installing the filter incorrectly will allow dirt to enter

the engine, causing rapid engine wear.

To reinstall the air filter cover, insert the tabs into the

notches. Close the cover and push the latch until it snaps

into place.

NOZZLE MAINTENANCE

See Figure 18.

Excessive pump pressure (a pulsing sensation felt while

squeezing the trigger) may be the result of a clogged or

dirty nozzle.

Turn off the pressure washer and shut off the water

supply. Pull trigger to release water pressure.

Remove the nozzle from the spray wand.

NOTE: Never point the spray wand at your face.

Using the provided nozzle cleaning tool, free any foreign

materials clogging or restricting the nozzle.

Using a garden hose, flush debris out of nozzle by back

flushing (running the water through the nozzle backwards

or from the outside to the inside).

Reconnect the nozzle to the spray wand.

Turn on the water supply and start the engine.

CHECKING SPARK PLUG

See Figure 19.

Clean the area around the base of the spark plug before

removing to keep dirt and debris out of the engine. Re-

move spark plug.

Clean off carbon deposits on the spark plug electrode

using a plug cleaner or wire brush. Replace the plug if

worn. (Recommended spark plug: F6TC or equivalent.)

Check electrode gap. The gap should be .028 in. - .031 in.

(0.70- 0.80 mm). Adjust the gap, if necessary, by carefully

bending the ground electrode.

Reinstall spark plug. Tighten securely.

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Homelite UT80516 User Manual Page 17

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