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Subaru Robin Power Products EH72D manual

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Table of contents for the manual

  • Page 1

    LPG / NA TURAL GAS Fueled Engine EH72D 2ZZ 902014 3 北米[...]

  • Page 2

    The engine exhaust from this product contains chemicals known to the State of California to cause cancer , birth defects or other reproductive harm. WARNING: ▲ ! ▲ ! AIR INDEX T o show compliance with California emission regulations, a hangtag has been provided displaying the Air Index level and durability period of this engine. The Air Index l[...]

  • Page 3

    FEDERAL EMISSIONS COMPONENT DEFECT W ARRANTY EMISSIONS COMPONENT DEFECT W ARRANTY COVERAGE - This emission warranty is applicable in all States, except the state of California. Fuji Heavy industries Ltd. and Robin America, Inc., Lake Zurich, Illinois, (herin “ROBIN AMERICA”) warrant(s) to the initial retail purchaser and each subsequent owner ,[...]

  • Page 4

    FOREWORD Thank you very much for purchasing a ROBIN ENGINE. Y our SUBARU ENGINE can supply the power to operate various sorts of machines and equipment. Please take a moment to familiarize yourself with the proper operation and maintenance procedures in order to maximize the safe and ef fi cient use of this product. Due to constant efforts to impr[...]

  • Page 5

    CONTENTS SAFETY PRECAUTIONS ........................................................................................................................... 1 COMPONENTS .................................................................................................................... ....................... 4 PRE-OPERA TION CHECKS ....................[...]

  • Page 6

    6 SYMBOLS Explosion Fire Explosive Pressure Read the owner ’s manual Stay clear of the hot surface Exhaust gas is poisonous. Do not operate in an unventilated area. Stop the engine before refueling Fire, open fl ame and smoking prohibited On (Run) Off (Stop) Engine oil Add oil Plus ; positive polarity Battery Engine start (Electric start)[...]

  • Page 7

    7 The safety alert symbol ( ) is used with a signal word ( DANGER, CAUTION, W ARNING ), a pictorial and/or a safety message to alert you to hazards. DANGER indicates a hazard which, if not avoided, will result in death or serious injury . W ARNING in- dicates a hazard which, if not avoided, could result in death or serious injury . CAUTION indicate[...]

  • Page 8

    8 SAFETY PRECAUTIONS Please make sure you review each precaution carefully . EXHAUST PRECAUTIONS • Never inhale gas. It contains carbon monoxide, a colorless, orderless and extremely dangerous gas which can cause unconsciousness or death. • Never operate the engine indoors or in a poorly ventilated area, such as tunnel, cave, etc. • Exercise [...]

  • Page 9

    9 PROTECTIVE COVER • Place the protective covers over the rotating parts. If rotating parts such as the drive shaft, pulley , belt, etc. are left exposed, they are potentially hazardous. T o prevent injury , equip them with protective covers or shrouds. • Be careful of hot parts. The muf fl er and other engine parts become very hot while the e[...]

  • Page 10

    10 • Disconnect the LP/NG fuel line before transporting the engine. • Do not move the engine while in operation when it has been removed from the equipment. • Keep the unit dry (do not operate it in rainy conditions). PRE-OPERA TION CHECKS • Carefully check fuel hoses and connec- tions for looseness and LPG or Natural Gas leakage. Leaking f[...]

  • Page 11

    11 COMPONENTS Hook Air cleaner cover Blower housing Regulator Oil Cooler Mixer Governor lever Oil fi ller cap Spark plug cap Oil fi lter PTO shaft Oil drain plug (on both sides) Electric starter Oil gauge V oltage regulator REMARKS: • Fuel tank, valve, (sediment bowl type is recommended), fuel hoses, and fuel fi lter are required for connectin[...]

  • Page 12

    12 PRE-OPERA TION CHECKS 5W 10W 20W #20 #30 #40 10W-30 10W-40 Single grade Multi grade Ambient temperature -20 -10 0 10 20 30 40 -4 14 32 50 68 86 104 Upper level Lower level Oil gauge Oil gauge Upper level Lower level Oil gauge Upper level Lower level ENGINE OIL (CHECK DAIL Y) Before checking or re fi lling engine oil, be sure the engine is not r[...]

  • Page 13

    13 GASEOUS FUEL W ARNING ▲ ! Do not refuel while smoking, near an open fl ame or other potential hazards. Fuel Recommendations LPG Propane content of 95% of higher NA TURAL GAS Methane content of 90% or equivalent INSTRUCTIONS FOR CONVERTING T O NA TURAL GAS OPERA TION The engine is optimized for LP operation from the factory . The steps below s[...]

  • Page 14

    14 V APOR WITHDRA WL With a vapor withdrawal system, the LP fuel is vaporized in the fuel tank by heat input from the ambient temperature. The pressure is reduced to about 1 1” water column (0.4psi) on the outlet side of the primary regulator . The vaporized fuel is then brought to the engine and demand regu- lator on the engine reduces the press[...]

  • Page 15

    15 BA TTER Y INST ALLA TION For electric starter operation, proper electric wiring arrangements are needed before normal engine operation. P ARTS NEEDED • Use a battery rated 12V -36AH or larger . • Use a proper cable and ground wire to connect battery and key switch and electric starter . LA406 LA408 CABLE EARTH (GROUND) WIRE 25mm CABLE LENGTH[...]

  • Page 16

    16 WIRING • Connect positive terminal of electric starter and positive terminal of the battery with battery cable. • Ground negative terminal of the battery to the body of engine or machine with ground wire. NOTE T ighten bolts and nuts on terminals securely so they will not be loosened by vibration. Battery + - Electric starter terminal Earth [...]

  • Page 17

    17 OPERA TING YOUR ENGINE ST ARTING STOPPING FUEL V AL VE (Provided by the equipment manu- facturer) Open the fuel valve. ELECTRIC ST ARTER T urn the key switch to the “ST OP” position. FUEL V AL VE Close the fuel valve. ELECTRIC ST ARTER (Provided by the equipment manu- facturer) T urn the key swtich to the “ST ART” position. • Do not op[...]

  • Page 18

    18 EASY TROUBLESHOOTING Perform the following checks before you take the engine to your Subaru dealer . If you still have trouble after completing the checks, take the engine to your nearest Subaru dealer . • Engine will not start • Engine lacks power Is ther enough compression? If the spark plug is loose, tighten it. Checking Items Possible Ca[...]

  • Page 19

    19 Is there a strong spark across the electrode? 1. Remove the spark plug and connect it to the plug cap. T urn key switch to ST AR T position while grounding the spark plug against engine body . 2. T ry with a new spark plug if the spark is weak or there is no spark. 3. The ignition system is faulty if there is no spark with a new spark plug. T ak[...]

  • Page 20

    20 EASY TROUBLESHOOTING DAIL Y INSPECTION Before funning the engine, check the following service items. PERIODIC MAINTENANCE Periodic maintance is vital to safe and ef fi cient operation of your engine. Check the table below for periodic maintenance intervals. Enough Fuel Excessive vibration, noise Clean air cleaner element Safe surroundings Enoug[...]

  • Page 21

    21 (Periodic Maintenance Schedule T able) *Note 1 : Initial oil change and oil fi lter replacement should be performed after 20 hours of operation. Thereafter change oil every 50-100 hours and replace oil fi lter 200 hours. More frequent oil changing, oil fi lter replacement and air cleaner service on replacement may be necessary depending on op[...]

  • Page 22

    22 “HOW -TO” MAINTENANCE SP ARK PLUG • Clean and remove carbon deposits off from the spark plug electrode, using a plug cleaner or wire brush. • Check if the electrode gap is in the proper range. Adjust gap to the speci fi cations: 0.7mm to 0.8mm • Use a speci fi ed spark plug: BPR6ES (NGK) ENGINE OIL • Initial oil change .....After 2[...]

  • Page 23

    23 ENGINE OIL FIL TER • Initial engine oil fi lter replacement should be performed after 20 hours of operation. Thereafter replace the engine oil fi lter every 200 hours. • When installing a new oil fi lter , apply oil to O-ring, attach the oil fi lter in position and tighten 2/3 turns by hand or with wrench after touching the O-ring to the[...]

  • Page 24

    24 • Paper element Clean by taping gently to remove dirt and blow off dust. Never use oil. Clean or replace paper element every 50 hours of operation, and replace element set every 200 hours or once a year . Clean and replace air cleaner elements more often when operation in dusty environments . BOL TS, NUTS AND SCREWS Retighten loose bolts and n[...]

  • Page 25

    25 PREP ARA TIONS FOR STORAGE ENGINE OIL • Change the engine oil with fresh oil. • Remove the spark plug, pour about 5cc of engine oil into the cylinder , slowly start the engine for 2 or 3 seconds, and re-install the spark plug. CLEAN AND STORE • Remove the spark plug wires from the spark plugs. • Slowly turn the crankshaft until resistanc[...]

  • Page 26

    26 SPECIFICA TIONS MODEL EH72 LP/NG T ype Air-Cooled, 4-stroke, V -T win Cylinder , Horizontal P .T .O. shaft, OHV , LPG/NA TURAL GAS Fueled Engine Bore x Stroke mm(in) 2-84 x 65 (3.31 x 2.56) Displacement cm³(cu.in) 720 (43.9) Maximum T orque N•m 39.5 N•m @ 2500rpm Maximum Output LPG (Propane content of 95% or higher) : 25hp18.6kw@3600rpm Nat[...]

  • Page 27

    27[...]

  • Page 28

    ISSUE EMD-EU2415[...]