EH12, EH17, EH25 - Small Engine Discount

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(3) Connect the speed control lever and the governor lever with the governor spring. The governor spring should be hooked to the number 2 hole on the speed control lever for the regular specifications. Refer to the illustrations below. (See Fig. 5-42.) (4) Turn the speed control lever all the way toward the high speed position and make sure that the throttle valve in the carburetor is at the wide open position. (5) Turn the governor shaft clockwise all the way using a screw driver, and tighten the lock bolt and nut. (See Fig. 5-43.) P\ For the generator applications, there are two different governor springs existing according to the speed setting of the engine. The governor springs may be distingnished by the following table. The governor spring employed on the 6OHz application is same as the one from the standard specifications. SPEED CONTROL LEVER GOVERNOR SPRING \\ f- GOVERNOR LEVER Fig. 5-42 Fig. 5-43 N ; SPRING WOUND Q D N Color 50 Hz (3000 rpm) 49 (1.9") 9.1 (0.35") 12.5 Gold Et 12 EH17 EH25 60 Hz (3600 rpm) t 50 HZ (3000 rpm) 38 (1 5") 60 Hz (3600 rpm) t 50 HZ (3000 rprn) 43 (1.7") 60 Hz (3600 rprn) 8.1 (0.32") c 10.7 (0.42") 9.6 (0.38") 8.7 (0.34") t Silver 8.5 Gold t Silver 19.5 Gold t 16.5 Silver P - 40 -
n 5-4-19 AIR CLEANER Install the air cleaner gasket and the cleaner case and tighten them with 2-M6 flange nuts. Then install the element retainer, the element and the cleaner cover. 5-4-20 EXHAUST MANIFOLD AND COVER Install the exhaust manifold and the cover. M6 X 8mm flange bolt ...- 1 PC. M8 flange nut .....f.-.----- 2 pcs. 5-4-21 HEAD COVER Install the head cover to the cylinder head. M6 X 12mm flange bolt --- - 1 PC. 5-4-22 MUFFLER AND MUFFLER COVER Install the muffler to the exhaust manifolde 2 pcs. M8 flange nut .--- I Tightening torque I 230-270 kg-crn 22.5-26.5 Narn 16.6-1 9.5 ft*lb @ Then install the muffler bracket. M6 X 12mm ---- 1 PC. (EH12, 17) M8 X 16mm --- - 1 PC. (EH25) Install the muffler cover M5 X lOmm screw *..-..--. 3 pcs. (EW12, 17) M6 X lOmm flange bolt .... 4 pcs. (EH25) 5-4-23 BLOWER HOUSING, RECOIL Install the blower housing and the recoil. Insert the high tension cord from the ignition coil into the notch of the blower housing so that not to pintch the cord. 5-4-24 FUEL TANK Install the fuel tank. Connect the fuel strainer and the fuel inlet on carburetor with the fuel hose. M6 X 14mm bolt and washer ---. 1 PC. M8 X 16mm bolt and washer .--. 1 PC. - End- of the reassembly - - 41 -
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 8 and 9: 2. PERFORMANCE 2-1 MAXIMUM OUTPUT A
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 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

EH12, EH17, EH25 - Small Engine Discount

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