Troubleshooting - Power smart DB7659A-22 User Manual

TROUBLESHOOTING

Problem
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 Engine Operator's manual for additional troubleshooting information and engine manufacturer contact information.
1 Engine ignition switch in OFF position
2 Spark plug wire disconnected
3 Faulty spark plug
4 Engine flooded with fuel
5 Safety key not inserted in engine ignition
6 Choke not in START position
Engine Fails to Start
(Engine cranks over)
7 Engine not primed with fuel
8 Fuel tank empty
9 Water in fuel
10 Fuel incorrect, old or stale, will not ignite
11 Blocked or clogged fuel system or line
12 Fuel shut-off valve in OFF position
13 Internal engine problem
Engine recoil starter 1 Frozen recoil starter or engine too cold to
will not pull out / hard turn over
to pull
1 Extension cord is not properly attached to
electric starter terminal
Engine electric starter 2 No power from power supply, tripped
will not crank engine breaker
3 Extension cord wire gauge is too small or
cord is too long
1 Cooling air flow restricted to engine
2 Low oil level
Engine Overheats
1 CHOKE in ON or partial ON position
2 Water in fuel
3 Fuel incorrect, old or stale
4 Blocked or clogged fuel system or line
5 Carburetor is in need of cleaning
6 Spark plug wire loose
7 Faulty spark plug
Engine runs erratic,
8 Gas cap vent hole plugged
stalls or seems low on
9 Engine oil over filled
power
10 Engine oil level low or empty
11 Engine overheating
1 Engine oil over filled
Engine smokes
excessively 2 Internal engine problem
Possible Causes
1 Position engine ignition switch to ON
2 Connect wire to spark plug
3 Clean, adjust gap, or replace spark plug , see Engine Operator's manual
4 Discontinue choke or primer use, clean or replace spark plug.
5 Insert key fully into the switch
6 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.
7 Prime engine, see Engine Operator's manual
8 Fill tank with clean, fresh gasoline
9 Empty fuel tank & carburetor, refill with fresh, clean gasoline
10 Empty and clean fuel tank & carburetor, refill with fresh, clean gasoline. (Note: Fuel may become stale after
30 days in some cases)
11 Clean fuel system or line
12 Turn fuel shut-off valve to ON position
13 See Engine Operator's manual, contact service center or engine manufacturer.
1 Move snow blower to warm space and allow it to warm up.
1 Re-insert extension cord into electric starter terminal.
2 Check power supply extension cord is attached to.
3 Use proper rated and length extension cord, see Engine Operator's manual
1 Remove air flow restrictions from engine
2 Check oil level on dipstick. If oil is not visible on dipstick, check oil level using LOWER fill plug BEFORE
adding oil. Oil should be visible and to the top 2 threads of LOWER fill plug (not the dipstick tube). Do not
over fill with oil, see Engine Operator's manual for more information. Note: Only use 5W-30, 4-stroke
automotive detergent oil with an API SERVICE rating of SJ or higher. Engine oil capacity [LCT 208cc
engine] - 16 oz. (0.473 liter). The use of automotive synthetic oil is acceptable.
1 Move CHOKE lever to RUN
2 Empty fuel tank & carburetor, refill with fresh, clean gasoline
3 Empty and clean fuel tank & carburetor, refill with fresh, clean gasoline. (Note: Fuel may become stale after
30 days in some cases)
4 Clean fuel system or line
5 Clean fuel system and carburetor
6 Connect and tighten spark plug wire
7 Clean, adjust gap, or replace spark plug , see Engine Operator's manual
8 Remove ice and snow from gas cap.
9 Drain oil to proper level. Oil should not be above the top 2 threads of LOWER fill plug.
10 Check oil level on dipstick. If oil is not visible on dipstick, check oil level using LOWER fill plug BEFORE
adding oil. Oil should be visible and to the top 2 threads of LOWER fill plug (not the dipstick tube). Do not
over fill with oil, see Engine Operator's manual for more information. Note: Only use 5W-30, 4-stroke
automotive detergent oil with an API SERVICE rating of SJ or higher. Engine oil capacity [LCT 208cc
engine] - 16 oz. (0.473 liter). The use of automotive synthetic oil is acceptable.
11 See "Engine Overheats"
1 Drain oil to proper level. Oil should not be above the top 2 threads of LOWER fill plug.
2 See Engine Operator's manual, contact service center or engine manufacturer.
Remedy
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