Yanmar 3TNV82A Service Manual
Also see for 3TNV82A: Operation manualService manualService manualTroubleshooting manual
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Contents
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FUEL SYSTEMTNV DI Service Manual 7-21Fuel Injection PumpInstallation of Fuel Injection PumpIMPORTANTIf installing a new or recalibrated fuelinjection pump, locate and record the timingindex number located on the pump housingboss on the engine side of the new orrecalibrated fuel injection pump(Figure 7-18, (1)). This number will be usedto calculate and adjust the final fuel injectiontiming.Note: If either or both of the fuel injectionpumps do not have a timing indexnumber, note the injection pump ID(example: XK42) on the injection pumpID label.To locate the timing index number for the enginebeing serviced use the Timing Index Chart under“FIE Specs” on the Yanmar Distributor Website(http://distributor.yanmar.co.jp).If additional assistance is needed in locating theengine timing index number See To Locate anAuthorized Yanmar Industrial Engine Dealer orDistributor: on page 2-4 and follow the instructionsto locate an authorized Yanmar industrial enginedealer or distributor for assistance.Note: Treat the timing index number as if it hasa decimal point (68 = 6.8).Figure 7-181. Align the pump drive gear with the idler gearusing the reference marks made earlier.TNV82 - 88 model engines (Figure 7-19, (1)).TNV94 - 106 model engines (Figure 7-20, (1)).Figure 7-19CAUTION• NEVER remove or attempt to removethe tamper-proof devices from thefull-load fuel adjusting screw or thehigh-speed throttle limit screw on thefuel injection pump and governorassembly. These adjustments havebeen made at the factory to meet allapplicable emissions regulations andthen sealed.• NEVER attempt to make anyadjustments to these sealedadjustment screws. If adjustments arerequired, they can be made only by aqualified fuel injection shop that willensure the injection pump continuesto meet all applicable emissionsregulations and then replace thetamper-proof seals.• Tampering with or removing thesedevices may void the “Yanmar LimitedWarranty.”0000146en(1)(1)0000575B0000575 |
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