TROUBLESHOOTING GUIDE (Tabulated Overview)
Symptom
Possible cause
Remedy
1. FAILURE TO START
Fuel system not o.k.
- No fuel in tank
- Refuel
- Fuel filter clogged
- Clean fuel filter
Fuel not o.k.
- Fuel is not clean
- Replace fuel
- Fuel contains water
- Replace fuel
- Too much fuel in cylinder
- Remove, clean + dry spark plug
- Wrong fuel mixture
- Replace by correct mixture
Spark plug
- Spark plug fouled by oily deposits
- Clean spark plug
- Insulation defective
- Replace spark plug
- Spark gap not correct
- Adjust spark gap (0.6-0.7mm)
High-voltage wire not o.k.
- High-voltage wire broken or loose
- Replace or fix
- Loose coil
- Fix
Compression too low
- Piston ring worn
- Replace
- Piston ring broken
- Replace
- Deposits on piston ring
- Eliminate
- Loose spark plug
- Tighten plug
- Leaking joint between
- Repair
cylinder and crankcase
Compression o.k.
- Connection between high-voltage
- Tightly attach spark plug cap
wire and spark plug not o.k.
- Stop switch defective or
- Repair or replace
short circuit at switch
2. LOW OUTPUT
Misfiring when accelerating
- Fuel filter clogged, lack of fuel
- Clean fuel filter and fuel line; adjust carburettor
Transparent exhaust gases,
- Muffler fouled with oily deposits
- Remove oily deposits
carburettor spits/splutters
Compression too low
- Piston, piston ring, cylinder worn
- Replace piston, piston ring
Engine is leaking
- Joint between cylinder and crankcase
- Repair
leaky
Leaky spots at the ends of the
- Seal defective
- Replace seal
crankshaft
- Engine overheats
- Do not use the device at high speeds and
- Combustion chamber fouled by oily
loads for a longer time
deposits
- Clean combustion chamber
3. ENGINE RUNNING UNSTABLE
Knocking sounds in engine
- Piston, piston ring, cylinder worn
- Replace piston, piston ring
- Piston pin, piston worn
- Replace piston pin, piston
- Crankshaft bearing worn
- Replace bearing
Metallic knocking sound
- Engine overheats
- Do not use the device at high speeds
and loads for a longer time
- Combustion chamber fouled by - Clean combustion chamber
oily deposits
- Improper petrol type
- Use petrol with correct octane value
Engine misfires
- Fuel contains water
- Replace fuel
- Wrong spark gap
- Adjust spark gap (0.6-0.7mm)
- Wrong contact breaker gap
- Adjust contact gap (0.3-0.4mm)
4. ENGINE SUDDENLY STOPS
- Tank is empty
- Refuel
- Spark plug fouled with oily deposits
- Clean spark plug
/ short circuit
- Spark plug cap is loose
- Attach cap
GB-12
Summary of Contents for BT 4344
Page 2: ......
Page 94: ...GR 1 15 ELLHNIKA...
Page 96: ...15 15 GR 3...
Page 97: ...Raynaud GR 4...
Page 98: ...M5xl6 M5x20 M5x25 X 2 X 2 1 1 2 2 2x16 3 A B GR 5...
Page 99: ...A 3 B A S 4 mm 2x16 A B x x GR 6...
Page 100: ...15 16 15 METERS 50 FEET 15 GR 7...
Page 101: ...Monofil 2 5 mm KNIFE SIDE RAISED ANGLE TO GROUND ANGLE TO WALL 2 3 4 5 1 1 2 3 4 5 GR 8...
Page 102: ...1 2 1 5 cm 5 4 3 1 2 2 4 1 5 cm 2 5 mm 2 2 1 m 2 2 cm 15mm 3 255 mm GR 9...
Page 103: ...89 30 1 2 2 30 1 89 30 1 2 30 1 1 2 3 4 3 4 GR 10...
Page 104: ...5 6 1 2 3 4 5 STOPP l Stopp START 2 7 10 CHOKE 3 A 4 5 B 6 7 C A B C 3 7 Stopp STOP GR 11...
Page 105: ...O 6 0 7mm 0 023 O 028 0 6 0 7 mm 145 155 kg cm 1 25 2 GR 12...
Page 106: ...2 GR 13...
Page 107: ...1 0 6 0 7 mm Stop 2 3 0 6 0 7 mm 0 3 0 4 mm 4 GR 14...
Page 108: ......
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