Robin EH09 and EH12-2 rammer engine service manual

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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