Harbor Freight Tools 67596 - Manual (Page 15)

Page 15 For Pressure Washer technical questions, please call 1-800-444-3353. SKU 67546/67596
For engine technical questions, please call 1-800-520-0882.
Spark Plug maintenance
1.
Spark
Plug
Cap
Disconnect spark plug cap from end of plug.
Clean out debris from around spark plug.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug:
If the electrode is oily, clean it using a clean,
dry rag. If the electrode has deposits on it, polish it
using emery paper. If the white insulator is cracked
or chipped, the spark plug needs to be replaced.
Recommended
Spark Plugs
Brand item number
NGK ® BP-6ES
NHSP ® / TORCH ® F6TC
nOtiCe: Using an incorrect spark plug
may damage the engine.
4. When installing a new spark plug, adjust the
plug’s gap to the specification on the Technical
Specifications chart. Do not pry against the
electrode, the spark plug can be damaged.
5. Install the new spark plug or the cleaned spark plug
into the engine.
Gasket-style: Finger-tighten until the gasket
contacts the cylinder head, then about 1/2-2/3
turn more.
Non-gasket-style: Finger-tighten until the plug
contacts the head, then about 1/16 turn more.
nOtiCe: Tighten the spark plug properly. If loose,
the spark plug will cause the engine to
overheat. If overtightened, the threads
in the engine block will be damaged.
6. Apply dielectric spark plug boot protector
(not included) to the end of the spark
plug and reattach the wire securely.
Storage
When the equipment is to remain idle for longer
than 20 days, prepare the engine for storage as follows:
1. CleaninG:
Wait for engine to cool, then clean with dry cloth.
nOtiCe: Do not clean engine using water. The water
will gradually enter the engine and cause rust damage.
Apply a thin coat of rust preventive oil to all metal parts.
2. Fuel:
WaRninG! tO PRevent SeRiOuS
injuRY FROm FiRe:
Drain the fuel tank in a well-ventilated area
away from ignition sources. If the engine is
hot from use, shut it off and wait for it to cool
before draining fuel. Do not smoke.
a. Place a funnel leading to a proper gasoline
container below the carburetor.
b.
Drain Plug
Sediment Cup
(some engines)
Remove the drain bolt from the bottom of the
carburetor bowl and allow the fuel to drain.
c. Remove the small sediment cup next to the bowl
and allow the fuel to drain from there as well.
d. Open the fuel valve. After all fuel has
drained, reinstall the drain bolt and sediment
cup (if equipped). Tighten securely.
3. luBRiCatiOn:
a. Change engine oil.
b. Clean out area around spark plug. Remove
spark plug and pour one tablespoon of engine
oil into cylinder through spark plug hole.
c. Replace spark plug, but leave spark
plug cap disconnected.
d. Pull Starter Handle to distribute oil in cylinder.
Stop after one or two revolutions when you
feel the piston start the compression stroke
(when you start to feel resistance).
4. BatteRY:
Disconnect battery cables (if equipped).
Recharge batteries monthly while in storage.
5. StORaGe aRea:
Cover and store in a dry, level, well-ventilated
area out of reach of children. Storage area
should also be away from ignition sources, such
as water heaters, clothes dryers, and furnaces.
6. aFteR StORaGe:
Before starting the engine after storage, keep
in mind that untreated gasoline will deteriorate
quickly. Drain the fuel tank and change to fresh
fuel if untreated gasoline has been sitting for
a month, if treated gasoline has been sitting
beyond the fuel stabilizer’s recommended
time period, or if the engine does not start.
Rev 11c