EH12, EH17, EH25 - Small Engine Discount

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2. PERFORMANCE 2-1 MAXIMUM OUTPUT A. The maximum output is the output of an engine with its throttle valve fully opened under the condition that all the moving parts are properly worn in after the initial break-in period. A new engine may not produce full maximum output while its moving parts are still not broken-in. 2-2 CONTINUOUS RATED OUTPUT The continuous rated output is the output of an engine at optimum governed speed which is most favorable from the view point of engine’s life and fuel consumption. When the engine is installed on a certain equipment, it is recommended that the continuous output required from the engine be kept below this continuous rated output. 2-3 MAXIMUM TORQUE The maximum torque is the torque at the output shaft when the engine is producing maximum output at certain revolution. -4-
2-4 PERFORMANCE CURVES 0 <strong>EH12</strong>D, B 4.0 (2.98 KW) ( ) for B type - MAXIMUM TORQUE 1 0.8 (1.6) kg-m 0.7 (1.4) I 0.6 (1.2) t I W 0 I- 3.5 (2.61 KW) 3.0 (2.24 KW) 2.5 (1.87 KW) 2.0 (1.49 KW) CONTINUOUS RETED HP 1.5 (1.21 KW) 1 .o (0.75 KW) RECOMMENDED HORSEPOWER \ RANGE 0.5 (0.37 KW) 2000 (1 000) 3000 (1 500) 4000 (2000) f -5- REVOLUTION --s) r.p.m. i
Page 2 and 3: ROBIN ROBIN AMERICA, INC. ROBIN TO
Page 4 and 5: " . 13-1 13-2 13-3 13-4 13-5 13-6 1
Page 6 and 7: ~~~~ ~~ Model TY Pe Bore X Stroke P
Page 10 and 11: n 0 EHf7D, B (. ). for B type " kg-
Page 12 and 13: 3. FEATURES 1. The overhead valve d
Page 14 and 15: 4-6 CAMSHAFT ‘I’he camshaft for
Page 16 and 17: 4-12 IGNITION SYSTEM The ignition s
Page 18 and 19: ROCKER ARM I L - 14 -
Page 20 and 21: 5-3 DISASSEMBLY PROCEDURES Step Par
Page 22 and 23: ~~ I Step I Part to remove 1 Proced
Page 24 and 25: Step Part to remove Procedures Rema
Page 26 and 27: ~ ~~ ~ ~~ ~~~ ~ I Step Part to remo
Page 28 and 29: ~~ ~ ~~ Step 18 Part to remove 1 Pr
Page 30 and 31: Step Part to remove 1 Procedures Re
Page 32 and 33: Step 26 Part to remove Connecting r
Page 34 and 35: ~~~~ Step Part to remove Procedures
Page 36 and 37: TOP RING “N” MARK SECOND RlNC O
Page 38 and 39: 54-5 BALANCER SHAFT (EH25 type only
Page 40 and 41: Fig. 5-36 (2) Lubricate the oil sea
Page 42 and 43: (2) Loosen the lock nut on the rock
Page 44 and 45: (3) Connect the speed control lever
Page 46 and 47: 5-5 BREAK-IN OPERATION An engine th
Page 48 and 49: 6-3 WIRING DIAGRAM STANDARD - Ignit
Page 50 and 51: 8. CARBURETOR 8-1 OPERATION AND CON
Page 52 and 53: 8-2-4 MAIN SYSTEM (1) Remove the bo
Page 54 and 55: (4) Remove the reel from the starte
Page 56 and 57: (6) Test the operation of the recoi
Page 58 and 59:
10-1-3 IGNlTfON SYSTEM Check the fo
Page 60 and 61:
11. INSTALLATION Engine life, ease
Page 62 and 63:
ITEM T EH12 T EH17 Unit: mrn (in) S
Page 64 and 65:
~~ ~~~ ~ Ring groove ITEM side clea
Page 66 and 67:
ITEM T STD EH12 Limit Unit: mrn (in
Page 68 and 69:
~ CONNECTING ROD ITEM T STD EH25 Li
Page 70 and 71:
Unit : mm (in) CAMSHAFT ITEM STD EH
Page 72 and 73:
ITEM T STD EH25 Limit Unit: mm (in)
Page 74 and 75:
12-3 OIL GRADE CHART I 5w I Compari
Page 76:
~ ~ ~~~~ ~ ~ 13-4 EVERY 100-200 HRS
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EH12, EH17, EH25 - Small Engine Discount

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