Operation - Black Max BM4CSSAC Operator's Manual

WARNING:
Do not allow familiarity with this product to make you
careless. Remember that a careless fraction of a second is
sufficient to inflict serious injury.
WARNING:
Always wear eye protection with side shields marked to
comply with ANSI Z87.1, along with hearing protection.
Failure to do so could result in objects being thrown into
your eyes and other possible serious injuries.
WARNING:
Never use blades, flailing devices, wire, or rope on this
product. Do not use any attachments or accessories not
recommended by the manufacturer of this product. The
use of attachments or accessories not recommended
can result in serious personal injury.
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 for maintenance and
replacement parts.
NOTICE:
Before each use, inspect the entire product for damaged,
missing, or loose parts such as screws, nuts, bolts, caps,
etc. Tighten securely all fasteners and caps and do not
operate this product until all missing or damaged parts are
replaced. Please contact customer service or a qualified
service center for assistance.
ETHANOL-BLENDED FUELS
NOTICE:
Do not use E15 or E85 fuel in this product. It is a viola-
tion of federal law and will damage the unit and void
your warranty. Only use unleaded gasoline containing
up to 10% ethanol.

OPERATION

FUELING AND REFUELING THE TRIMMER
WARNING:
Gasoline and its vapors are highly flammable and ex-
plosive. To prevent serious personal injury and property
damage, handle it with care. Keep away from ignition
sources and open flames, handle outdoors only, do not
smoke and wipe up spills immediately.
 Clean surface around fuel cap to prevent contamination.
 Loosen fuel cap slowly by turning counterclockwise. Rest
the cap on a clean surface.
 Carefully pour fuel into the tank. Avoid spillage.
 Prior to replacing the fuel cap, clean and inspect the
gasket.
 Immediately replace fuel cap and hand tighten by turning
it clockwise. Wipe up any fuel spillage.
NOTE: It is normal for smoke to be emitted from a new
engine after first use.
WARNING:
Check for fuel leaks, which are a fire hazard. Failure
to do so could result in a fire that could cause serious
personal injury.
WARNING:
Always shut off engine before fueling. Never remove fuel
cap or add fuel to a machine with a running or hot engine.
Make sure the unit is sitting on a flat, level surface and
only add fuel outdoors. If the engine is hot, let the unit cool
for at least five minutes before adding fuel. After fueling,
immediately replace fuel cap and tighten securely. Move
at least 30 ft. from refueling site before starting engine. Do
not smoke and stay away from open flames and sparks!
Failure to follow these instructions could result in a fire
and cause serious personal injury.
ADDING/CHECKING ENGINE LUBRICANT
See Figure 5.
NOTICE:
Attempting to start the engine before it has been properly
filled with lubricant will result in equipment failure.
Engine lubricant has a major influence on engine performance
and service life. This unit is shipped with a 20W50 engine
lubricant to assist in the break-in period. For best operating
performance, continuing to use 20W50 engine lubricant is
recommended, however, SAE 30, 10W30, or 10W40 are
all acceptable lubricants to use in this product. Always
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