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14. Trouble Shooting

1) ENGINE DOES NOT START

Description

Cause

Countermeasure

No spark in the spark plug

Spark Plug

1. Wet spark, plug electrodes

Make them dry

2. Carbon deposited on the electrodes

Cleaning

3. Insulation failure by insulator damage

Exchange

4. Improper spark gap

Adjust to 0.6~0.7mm

5. Burn out of electrodes

Exchange

Magneto

1. Ignition coil inside failure

Exchange

2. Damaged cable sheath or disconnected cable

Exchange or repair

Switch

1. Switch is OFF

ON the switch

2. Switch failure

Exchange

3.Primary wiring earthed

Repair

Sparks appear in the spark plug

Compression & 

1. Over sucking of fuel

Drain excess fuel

fueling is normal

2. Too rich fuel 

Adjust carburetor

3. Overflow

Carburetor adjust or exchange

4. Clogging of air cleaner

Wash with mixed gasoline

5. Faulty fuel

Change with proper fuel

Fueling normal but

1. Worn out cylinder, piston, or piston ring

Exchange

poor compression

2. Gas leakage from cylinder and crank case gasket

Apply liquid gasket and reassemble.

No fuel supply

1. Choked breather air hole

Cleaning

2. Clogged carburetor

Cleaning

3. Clogged fuel filter

Exchange fuel filter

2) LACK OF POWER OR UNSTABLE RUNNING

Description

Cause

Countermeasure

1. Air penetration from fuel pipe joints, etc

Secure connection

2. Air penetration from intake tube joint or 

Change gasket or tightening screws

carburetor joint

3. Water in fuel

Change with good fuel

4. Piston start to seizure

Replace piston(and cylinder)

5. Muffler choked with carbon 

Cleaning

Overheating

1. Fuel too lean

Adjust carburetor

2. Clogging of cylinder fin with dust

Cleaning

3. Poor fuel quality

Exchange with proper fuel

4. Carbon deposited in the combustion chamber

Cleaning

5. Spark plug electrode red hot

Thoroughly clean, adjust spark gap

[ 0.6~0.7(0.023~0.028in) ]

Others

1. Dirty air cleaner

Wash with mixed gasoline

2. Over loading

Reduce load

15

Compression is normal

and no misfire

Содержание G231PUH

Страница 1: ...Purchaser has all responsibilities against any laws and regulations existing in the country Zenoah is exempt from such laws and regulations Read and completely understand this OWNER S SERVICE MANUAL...

Страница 2: ...gulations in the countries Use genuine parts for replacement Check the propeller rotor and screw propeller every time If it is damaged replace it with a new one If the propeller or the rotor or the sc...

Страница 3: ...olt 01252 30560 2 Muffler T2710 15110 3 Bolt T1565 72211 4 Spacer 1158 15420 5 Gasket 1140 13141 6 Spacer 1145 15412 7 Engine 8 Gasket T2075 13150 9 Carburetor T2077 81000 10 Air Cleaner 848EP18300 11...

Страница 4: ...RPM zone Note carefully that if the engine is vibrated at idling then the idling RPM is likely to get unstable due to overflow at carburetor by the vibration 5 Tighten the nut M8 with a torque of 80 1...

Страница 5: ...operation Make sure to use the rotor which is recommended by helicopter manufacturer Screw Propeller for boat The exhaust system e g muffler is not equipped with as standard When you select the exhaus...

Страница 6: ...Incorrect fuel filter use causes engine trouble like carburetor s fuel passage stuffing or piston surface scratching etc G260PU A HAND FLIP START Since the G260PU is equipped with the ultra compact C...

Страница 7: ...d make sure that the helpers hold the airplane firmly Also make sure that the electric motor has a power enough to run the engine at minimum 1 100 rpm How to start a Fill the fuel tank with the fuel b...

Страница 8: ...ock position G260PUH G231PUH e Quickly pull the starter cord when the initial combustion noise is heard f When the initial combustion noise is heard open the choke set the throttle valve at the idle p...

Страница 9: ...makes the mixture gas leaner and turning it counterclockwise makes it richer Set this needle at a position which is 1 4 open from best mixture maximum R P M position High Speed needle Turning this ne...

Страница 10: ...ormance The details for operation as complete product may be provided from complete product manufacturer Always keep well maintenance according to the Maintenance clause described in this owner s serv...

Страница 11: ...90PUM Items Standard Limit Standard Limit Standard Limit Measuring Device Remarks Bore mm 32 Plating damaged 34 Plating damaged 36 Plating damaged Eye Checking Diameter mm 31 97 31 87 33 97 33 87 35 9...

Страница 12: ...h core 2 1 k Sparkplug wire Earth core 6 TIGHTENING TORQUE Standard Limit Items Screw Size Remarks N m kg cm N m kg cm Carburetor M5 P 0 8 3 4 35 2 9 3 9 30 40 Insulator M5 P 0 8 4 4 45 3 9 4 9 40 50...

Страница 13: ...490 96101 To remove rotor 2 Piston Stopper 4810 96220 3 Rod Assy 1101 96220 To remove install piston pin 4 Hex Wrench 3304 97611 5 Snap Ring Pliers 5500 96110 To remove snap ring To hold crankshaft wh...

Страница 14: ...plate and confirm that the air gap is 0 3 0 4mm by thickness gage 3 REMOVING PISTON PIN Fig 9 1 Remove snap rings from both sides of the piston pin 2 Engage the rod assy 1101 96220 to the piston pin...

Страница 15: ...n out cylinder piston or piston ring Exchange poor compression 2 Gas leakage from cylinder and crank case gasket Apply liquid gasket and reassemble No fuel supply 1 Choked breather air hole Cleaning 2...

Страница 16: ...15 Parts list 16...

Страница 17: ...RING 1 25 1 1600 41310 PISTON PIN 1 1 1 25 2 1101 41310 PISTON PIN 1 1 25 3 574 79 12 01 PISTON PIN 1 26 1260 41320 SNAP RING 2 2 2 2 2 2 27 5500 41410 BEARING 1 1 1 1 1 1 28 1101 41340 WASHER 2 2 2 2...

Страница 18: ...English 1 1 1 1 1 1 72 2 T2075 93122 MANUAL Japanese 1 1 73 1490 96101 PULLER ASSY 1 1 1 1 1 1 OPTION 74 4810 96220 STOPPER 1 1 1 1 1 1 OPTION 75 1101 96220 ROD ASSY 1 1 1 1 1 1 OPTION 76 3699 91975 S...

Страница 19: ...20 PLUG welch 1 15 3310 81230 LEVER 1 Q TY UNIT 16 3310 81240 SCREW 1 17 3310 81250 PIN 1 18 2630 81330 SCREW 1 19 3350 81380 SPRING 1 20 1172 81370 SHAFT throttle 1 21 2670 81410 SPRING 1 22 2880 814...

Страница 20: ...hall not compensate any other accompanied or benefit losses caused to user and distributor manufacture by such faults and through repairing or replacing 4 Term of Warranty Three 3 months after purchas...

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