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15
TROUBLESHOOTING
Problem
Causes
Remedy
WARNING - Before attempting to make any inspections, repairs or adjustments, stop the engine, wait for all moving parts to
stop moving and carefully disconnect the engine spark plug wire. If tipping or
turning the snow blower is required for any inspection or repair, first wait until the engine is cool to the touch and then drain the
engine of all fuel and oil into suitable containers and store or dispose of in a proper manner.
Engine Systems - Note: For all engine problems, see the below troubleshooting information.
Engine Fails to
Start
(Engine cranks
over)
Spark
plug
wire
disconnected
Connect
wire
to
spark
plug
Faulty spark plug Clean, adjust gap, or replace spark plug.
Engine flooded with fuel Discontinue choke or primer use, clean or replace spark
plug.
Safety
key
not
inserted
in
engine
ignition
Insert
key
fully
into
the
switch
Choke not in START position
Move choke to START position, after engine starts
slowly move to RUN position as engine speed and
operation stabilizes at the set rpm. If engine still does not
start move to half choke and crank engine.
Fuel incorrect, old or stale, will not ignite
Empty and clean fuel tank & carburetor, refill with fresh,
clean gasoline. (Note: Fuel may become stale after 30
days in some cases)
Blocked or clogged fuel system or line Clean fuel system or line
Extension cord is not properly attached to electric
starter terminal
Re-insert extension cord into electric starter terminal.
Engine electric
starter
will not crank
engine
No power from power supply, tripped breaker Check power supply extension cord is attached to.
Extension cord wire gauge is too small, or cord
is too long
Use proper rated and length extension cord
CHOKE in ON or partial ON position Move CHOKE lever to RUN
Engine runs
erratic,
stalls or seems
low on
power
Fuel incorrect, old or stale
Empty and clean fuel tank & carburetor, refill with
fresh, clean gasoline. (Note: Fuel may become stale
after
30 days in some cases)
Blocked or clogged fuel system or line Clean fuel system or line
Carburetor
is
in
need
of
cleaning
Clean
fuel
system
and
carburetor
Spark
plug
wire
loose
Connect
and
tighten
spark
plug
wire
Faulty spark plug Clean, adjust gap, or replace spark plug, see Engine
Operator's manual
Engine oil over filled Drain oil to proper level. Oil should not be above the
top 2 threads of LOWER fill plug.
Engine oil level low or empty Add oil
Drive system
No forward or
reverse drive
movement when
drive handle
engaged
Drive belt loose or damaged
Check drive belt tension pulley for damage or
incorrect tension, repair as necessary. Replace drive
belt.
Friction
drive
wheel
is
worn
or
damaged
Replace
friction
drive
wheel
Friction drive wheel wet or slipping
Allow snow blower to dry and or warm up or
adjust drive cable tension as necessary
Wheel to axle pins broken or missing. Replace pins attaching wheels to axle
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