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Robin EH09 and EH12-2 rammer engine service manual

Robin EH09D and EH12-2D rammer engine service manual.
SPECIFICATIONS .. 1
2. PERFORMANCE .. 3
2-1 MAXIMUM OUTPUT . 3
2-2 CONTINUOUS RATED OUTPUT . 3
2-3 MAXIMUM TORQUE .. 3
2-4 PERFORMANCE CURVES .. 4
3. FEATURES... 6
4. GENERAL DESCRIPTION OF ENGINE COMPONENTS .... 7
4-1 CYLINDER AND CRANKCASE ... 7
4-2 MAIN BEARING COVER . 7
4-3 CRANKSHAFT.... 7
4-4 CONNECTING ROD AND PISTON ...... 8
4-5 PISTON RINGS .. 8
4-6 CAMSHAFT .. 8
4-7 VALVE ARRANGEMENT 9
4-8 CYLINDER HEAD ... 9
4-9 GOVERNOR SYSTEM . 9
4-10 COOLING SYSTEM... 10
4-11 LUBRICATION SYSTEM..10
4-12 IGNITION SYSTEM ... 10
4-13 CARBURETOR .... 10
4-14 AIR CLEANER .. 11
4-15 DECOMPRESSION SYSTEM ...... 11
4-16 SECTIONAL VIEW OF ENGINE .. 12
5. DISASSEMBLY AND REASSEMBLY..... 16
5-1 PREPARATIONS AND SUGGESTIONS.... 16
5-2 SPECIAL TOOLS (EH12-2D) ... 16
5-3 DISASSEMBLY PROCEDURES... 17
5-4 REASSEMBLY PROCEDURES.... 30
5-5 BREAK-IN OPERATION ... 46
6. MAGNETO ... 46
6-1 OPERATION AND FUNCTION ... 46
6-2 BASIC THEORY ... 46
6-3 WIRING DIAGRAM .... 48
7. AUTOMATIC DECOMPRESSION SYSTEM... 49
8a. FLOAT TYPE CARBURETOR (EH09D) ..... 50
8a-1 OPERATION AND CONSTRUCTION.... 50
8a-2 DISASSEMBLY AND REASSEMBLY... 51
Section Title Page
8b. FLOAT TYPE CARBURETOR (EH12-2D).... 53
8b-1 OPERATION AND CONSTRUCTION.....53
8b-2 DISASSEMBLY AND REASSEMBLY.....54
8c. DIAPHRAGM TYPE CARBURETOR (OPTION) .. 56
8c-1 OPERATION AND CONSTRUCTION ...56
8c-2 DISASSEMBLY PROCEDURE ....59
8c-3 INSPECTION PROCEDURE ...59
8c-4 REASSEMBLY PROCEDURE ...60
8c-5 DIAPHRAGM CARBURETOR ADJUSTMENT METHOD ...61
9. STARTING SYSTEM62
9-1 RECOIL STARTER ...62
10. TROUBLESHOOTING .... 66
10-1 STARTING DIFFICULTIES ....66
10-2 ENGINE MISFIRE .....67
10-3 ENGINE STOPS ....67
10-4 ENGINE OVERHEAT ..68
10-5 ENGINE KNOCKS .....68
10-6 ENGINE BACKFIRES THROUGH CARBURETOR.....................................................68
11. INSTALLATION ... 69
11-1 INSTALLING...69
11-2 VENTILATION ....69
11-3 EXHAUST GAS DISCHARGE ....69
11-4 POWER TRANSMISSION TO DRIVEN MACHINES ......69
12. SERVICE DATA... 70
12-1 CLEARANCE DATA AND LIMITS ......70
12-2 TORQUE SPECIFICATIONS 76
12-3 OIL GRADE CHART ...76
13. MAINTENANCE AND STORAGE...... 77
13-1 DAILY MAINTENANCE 77
13-2 INITIAL 20 HRS. MAINTENANCE ......77
13-3 EVERY 50 HRS. (10 DAYS) MAINTENANCE ....77
13-4 EVERY 100-200 HRS. (MONTHLY) MAINTENANCE ...78
13-5 EVERY 300 HRS. or YEARLY MAINTENANCE .....78
13-6 EVERY 500-600 HRS. MAINTENANCE ....78
13-7 EVERY 1000 HRS. (YEARLY) MAINTENANCE ...78
13-8 ENGINE STORAGE...78

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