Cooper Duroflow 4500 series Manuel de service

Price $5.00DUROFLOW@D-9-6201st EditionSupersedesBO11OSERIES 4500BLOWERSSERVICE MANUAL#COOPERGardner-DenverIndustrial Machine~

SECTION FOURPolicy Replacement ItemsIt is suggested that the following parts be replaced savings when possible consequences are considered.each time t

2.3.4.5.Scrape gasket surface to remove any remainingF. Mounting plate, flingers, and external hardware.pieces of gasket.1. Dip in decreasing tank to

SECTION SEVENAssembly ProcedureA.B.Preparation.All metallic parts should be rinsed in clean mineralspirits to remove any residual traces of dirt or fi

Invert cover and place on wood blocksgasket side down. Wipe excess oil from O.D.of presoaked seal (25). Place seal in its borewith metal face up and t

stack thickness, as this reduces the ap-parent loss later produced by retaining nutcompression.e. Install the assembled shim stacks (15) ontheir respe

m. Assemble clamp washer (28) and oil flingerpunch, tighten lock nut sufficiently to com-(29) to drive end of idler shaft (see Fig. 23).Be sure that o

s. Brush the gear end splines and threads ofboth shafts with assembly lubricant. As-semble the idler gear (42) to the idler shaftwith the large diamet

approximately 15” (l-1/2 teeth) whilew. When correct rotor timing has been estab-idler gear and rotor remain stationary.Iished, the other interior rot

x.y.z.aa.blower may not develop the pressure orairflow that is required to perform itsfunction.Check gear backlash four places at 90°intervals as desc

jj. Choose the lock washer tang that bestaligns with a slot in thelock nut (22). Bendthe tang into the lock nut to prevent locknut from backing off (s

Section One:Section Two:Section Three:Section Four:Section Five:Section Six:Section Seven:Section Eight:Section Nine:Section Ten:Section Eleven:Sectio

SECTION NINEOperating LimitationsDuroFlow 45 Series blowers are designed to beblower at speeds and pressures above the ratedoperated at 4000 RPM maxim

SECTION TENLubrication RecommendationsThe blower gears and bearings are splash lubricated.Proper oil level must be constantly maintained to pre-vent o

SECTION ELEVENParts Lists, Sectional and Exploded ViewsA list of current part numbers is available upon written request from DuroFlow. Alternatively,r

ItemNo.1234567’8*910111213141516’1718192021222324PartName of PartNumberCover-GearEnd . . . . . . . . . . . . . . . . . 135075SelfTappingScrew . . . .

SECTION TWELVETroubleshooting Guide—DuroFlow Positive Displacement Rotary BlowersProblem or ComplaintProbable CausesNoisiness Rotor-to-Rotor ContactFa

Leaking OilEnd Cover Seams Not TightOil FoamingChronic FuseExcessive Motor AmperageBlowing or CircuitBreakingOverheat ingErroneous Pressure or Vacuum-

SECTION THIRTEENWARRANTYGARDNER-DENVER INDUSTRIAL MACHINERYDUROFLOWBLOWERS1800 GARDNER EXPRESSWAYQUINCY, IL 62305-4024TEL: (217) 222-5400“ FAX (217) 2

#COOPERGardner-DenverIndustrial MachineryFor additional information, contact Gardner-Denver Industrial MachineryDivision, 1800 Gardner Expressway, Qui

SECTION ONEIntroductionThis manual was prepared as a guide for the person in-volved in the maintenance or overhaul of DuroFlow@ 45Series Blowers utili

A.B.c.SECTION TWOSuggested Equipment and Supplies for a Major OverhaulSturdy 3’ x 6’ workbench, equipped with a 5“ jawwidth, turret type machinist’s v

2.3.4.Depth micrometer, 1“ to 2“, graduated in 0.001”[25 to 50 mm graduated in 0.01 mm].Dial test indicator (lever contact arm type),graduated in 0.00

B.SECTION THREETeardown ProcedureA. Preparation.Before beginning the teardown sequence, the oilshould be drained from the unit. It is also sug-gested

f.9.both surfaces. After bolt and screw re-moval, it. is usually necessary to drive offthe gear cover using the ball peen hammerand blunted chisel.Tem

nut (see Fig. 12). Use caution not to dam-age rotor shaft with chisel.1.Remove lock nut and spider washer anddiscard both as they will not be reused.F

x.y.z.aa.bb.cc.dd .ee.gear end plate and remove the upper hous-ing half.Remove the flexlock nut (44) from the idlerrotor shaft.Remove the oil flinger