AssemblingtheGearPump(continued)
10.Removeexcesslubricationfromthematingsurfacesofthebody,backplate,
andfrontplate.Ensurethatthesesurfacesarecleananddry.
11.Installthe2dowelpinsintothebody.
IMPORTANT
DonotdislodgetheO-rings,pressureseals,orback-upsealsduring
nalassembly.
12.Usingthemarkerlinesforproperlocation,gentlyslidethebackplateonto
theassembly,andengagethedowelpinswithrmhandpressure.
13.Placeathinsleeveortapeonthepumpshaftsplinestopreventsealdamage.
14.Positionthepumpwithbackplatedownwards.
15.Usethemarkerlinesforproperlocationandcarefullyslidethefrontplate
ontotheassembly.
Note:Donotdamagethesealduringthefrontplateinstallation.
16.Removethesleeveortapefromtheshaftsplines.
17.Installthe4socket-headscrews(item9inFigure137)withthe4lock
washersandtightenthembyhand.
IMPORTANT
Clampingthepumpbodyinavisecoulddamagethepump.When
youclampthepumpinavise,clampthemountingangeonly.
18.Clampthemountingangeofthepumpinavisewiththeshaftenddown.
19.Alternatelytorquethe4socket-headscrewsto25N∙m(220in-lb).
20.Iftheimplementreliefvalvewasremovedfromthebackplate,installthe
reliefvalvetothebackplate;torquethereliefvalveto25N∙m(220in-lb).
21.Putasmallamountofhydraulicuidintheinletportofthepumpandrotate
theinputshaftfor1revolution.Placethecouplerontheinputshaft,use
pliersonthecouplerandrotatethepumpshaft.Iftheinputshaftbinds,
disassemblethepumpandrepeattheassemblyprocess.
22.Removethepumpfromthevise.
Groundsmaster360
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