Service
Spark
Pmug
Service the spark plug every 100 hours of operation or
yearly, whichever occurs first.
1.
Clean area around spark pJug.
2.
Remove and inspect spark pJug.
3.
RepJace spark plug if the eJectrodes are worn, or if
the insulator is cracked or chipped.
4.
For repJacement use either the standard resistor
spark plug, Champion RJ19LM or the Jong life
pJatinum spark plug, Champion QC12YC.
5.
Check electrode gap with wire feeler gauge and
set gap at 0.030 inches (0.76mm), if necessary.
6.
JnstaJJspark plug, tighten secureJy.
NOTE: You can purchase a new spark plug by caJJing
1-800-366-PART.
Spark
Attester
Service
Your engine is not factory-equipped
with a spark
arrester, in some areas, it is iiiegaJ to operate an
engine without a spark arrester. Check JocaJJaws and
reguJations. A spark arrester is avaiJabJe from your
nearest Sears service center, if you need to order a
spark arrester, pJease caJJ1-800-366-PART.
The spark arrester must be serviced every 50 hours to
keep it functioning as designed.
if the engine has been running, the muffJer wiJJbe very
hot. AJJow the muffler to cool before servicing the
spark arrester.
WARNING
DO NOT touch hot surfaces
and avoid hot exhaust
gases.
Allow
equipment
to coo! before
touching.
Keep at least 5 ft. (152 cm) clearance
on all sides
of
pressure
washer
including
overhead.
Code of Federal
Regulation
(CFR)
Title 36 Parks,
Forests,
and Public
Property
require
equipment
powered
by an internal
combustion
engine
to have a spark
arrester,
maintained
in effective
working
order,
complying
to USDA
Forest
service
standard
5100-1C
or later
revision,
in the State of California
a spark
arrester
is
required
under section
4442
of the California
Public
resources
code.
Other
states
may have similar
laws.
Remove
spark
arrester
screen
for
cleaning
and
inspection.
•
Replace
if screen
is
damaged.
Air Coo_ing
System
Over time debris may accumulate in cylinder cooling
fins and cannot be observed without partial engine
disassembly.
For this reason, we recommend you
have an authorized Sears service dealer clean the
cooling system per recommended intervals (see
"Maintenance Schedule" on page 16). EquaJiy
important is to keep top of engine free from debris.
See "Clean Debris".
Clean Combustion
Chamber
We recommend you have an authorized Sears service
dealer remove combustion deposits from the cylinder,
cylinder head, top of piston and around valves per
recommended intervals (see "Maintenance Schedule"
on page 16).
2O