TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2Figure 11-8. Checking Flywheel Housing RunoutCAUTIONDetermine that the hoist is of sufficientstrengthtoadequatelysupporttheweight of the generator. Hoist andHoist cables should have a rating ofnotlessthan6,000pounds(2,727kg).Alwaysmakecertainextremecareistakenwhenmovingthegeneratortopreventitsstrikingotherobjectsorpersonnel.Neverapplyaliftingforceto structural points other than thoseprovidedforthatpurpose.(a)Install sixteen screws and washers securinggenerator assembly (figure 11-5) and sixbolts and locking plate to engine flywheelhousing. Tighten screws.(b)Move generator to location on skid base,line up mounting holesand install four generator mounting bolts(figure 11-5) securing generator frame tothe skid base assembly. Do not tightenbolts at this time.(c)Install Control Box Assembly perparagraph 2-14b.CAUTIONIffanismoved,makecertainthatbeforegeneratorsetisplacedinoperation, fan is positioned withabout1/2inch(13mm)clearancebetweenfanandbaffleandallfanboltsareinstalledandtightened .(d) Tighten mounting bolts to torque shown infigure 11-5. Make certain generatormounting pads contact the base evenly andwith equal pressure. Use of shims may berequired.(e) After generator is assembled to the engine,check runout by placing the base of a dialindicator on a generator frame rib andpositioning the indicator finger on thegenerator shaft. Set dial indicator to zero.Turn generator through at least onerevolution. Total indicator reading shouldnot exceed 0.005 inch (0.13 mm).NOTEUse inspection mirror to read indicator. Itmay be necessary to move fan out of theway. See CAUTION following step (c).(4)Installing PMG.(a)Install the exciter rotor assembly and thepilot exciter rotor. Make certain the key isin place in the shaft before installing exiterrotor assembly.CAUTIONDonotapplyforcetorotatingrectifierortothearmaturewindings.11-17
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