Idle Speed Adjustment; Cleaning The Air Filter - Black Max BM25PH Manual Del Operador

WARNING:
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating lubricants, etc., come in
contact with plastic parts. Chemicals can damage,
weaken or destroy plastic which could result in serious
personal injury.
CLEANING THE EXHAUST PORT, MUFFLER,
AND SPARK ARRESTOR
NOTICE:
The spark arrestor on this product has not been evalu-
ated by the USDA Forest Service and cannot be used on
U.S. forest lands. In addition, product users must comply
with Federal, State, and local fire prevention regulations.
Check with appropriate authorities. Contact customer
service or a qualified service center to purchase a re-
placement spark arrestor.
NOTE: Depending on the type of fuel used, the type and
amount of lubricant used, and/or your operating condi-
tions, the exhaust port, muffler, and/or spark arrestor screen
may become blocked with carbon deposits. If you notice a
power loss with your gas powered tool, you may need to
remove these deposits to restore performance. We highly
recommend that only qualified service technicians perform
this service.
The spark arrestor must be cleaned or replaced every 50
hours or yearly to ensure proper performance of your prod-
uct. Spark arrestors may be in different locations depending
on the model purchased. Please contact your nearest service
dealer for the location of the spark arrestor for your model.

IDLE SPEED ADJUSTMENT

See Figure 9.
WARNING:
The blade/cutting head will move when adjusting the
idle speed. Wear all protective clothing and keep all by-
standers, children, and pets at least 50 ft. away. Make
adjustments with the unit supported by hand so that the
blade/cutting head does not contact the ground or any
object. Keep all parts of your body away from the blade/
cutting head and muffler. Failure to follow these instruc-
tions could result in serious personal injury.
If the cutting attachment turns at idle, the idle speed screw
needs adjusting on the engine. Turn the idle speed screw
counterclockwise to reduce the idle RPM and stop the cut-
ting attachment movement. If the cutting attachment still
moves at idle speed, contact an authorized service dealer
for adjustment and discontinue use until the repair is made.
MAINTENANCE
WARNING:
The cutting attachment should never turn at idle. Turn
the idle speed screw counterclockwise to reduce the
idle RPM and stop the cutting attachment, or contact a
service dealer for adjustment and discontinue use until
the repair is made. Serious personal injury could result
from the cutting attachment turning at idle.

CLEANING THE AIR FILTER

See Figure 10-11.
For proper performance and long life, keep air filter clean.
 Remove the air filter cover by pushing down on the latch
while gently pulling off the cover.
 Remove the air filter.
 Clean the foam filter element with warm soapy water.
Rinse and let dry.
NOTE: If the foam filter element is damaged, it should be
replaced.
 Apply a light coat of engine oil to the foam filter element,
then squeeze it out.
 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.
 Replace the air filter cover by placing the slots on the air
filter cover over the tabs on the housing, then push the
cover down until it snaps securely in place.
FUEL CAP, TANK, AND LINES
WARNING:
Check for fuel leaks. A leaking fuel cap, tank, or line is a
fire hazard and must be replaced immediately. If you find
any leaks, correct the problem before using the product.
Failure to do so could result in a fire that could cause
serious personal injury.
The fuel cap contains a non-serviceable filter and a check
valve. A clogged fuel filter will cause poor engine per-
formance. If performance improves when the fuel cap is
loosened, the check valve may be faulty or filter clogged.
Replace the fuel cap if required.
SPARK PLUG REPLACEMENT
The spark plug for this engine may be replaced using a Torch
L7RTC, Champion RCJ4 or equivalent. The spark plug gap
should be set at .025 in. Use a recommended or equivalent
replacement and replace annually.
Page 9 — English