PARTS LIST OPERATING AND SERVICE MANUAL Models: GGD_
Contents
1. 11 Oil Sump Breathing System 11 D 9 611 MAINTENANCE AND TROUBLESHOOTING SECTION 5 arr 16 Matrix Menu 1 Mounting lt 7 Oil Sump Breathing System 11 OPERATION SECTION 4 13 Overhaul Kits 19 Overhung Load Calculations and Limitations 7 PARTS LISTS AND EXPLODED VIEWS SECTION T fak Desse leet 20 Parts Ordering Instructions 19 25 09 9 Precautions Safety iv 13 Product Support DuroFlow i Recommended Lubricant 10 Remanufactured Blower Program Factory i 18 Repair Parts orbem se ee 18 Safety Precautions iv 13 SERVICE OPTIONS SECTION 6 18 Startup Checklist Blower 15 Storage Re DU FE 3 Storage Kits bU 19 Trouble Shooting 16 Warranty ac fonts erp CE eR HERES 24 Warranty Registration Last Page YOUR KEY TO TROUBLE FREE SERVICE INTRODUCTION Page vi Figure 1 1 Figure 1 2 Figure 1 3 Figure 2 1 Figure 2 2 Figure 3 1 Figure 3 2 Figure 3 2 Figure 4 1 LIST OF ILLUSTRATIONS D300GGD074 A Ref Drawing Blower Configuration2. 0 Rs Size 4518 GGDE_DA Part No 315GGD002 305GGD4028 312GGD006 313GGD006 200GGD285 200GGD017 655EE050 95B5 DF139986 300GGD1148 302GGD173 304GGD144 301GGD778 12BA213 12BA193 305GGD144 300GGD253 75LM262N 200GGD6008 300GGD244 306GGD144 DF188536 DF143095 50V56 5028 64 1 64 4 64 27 DF181069 DF140867 62M48 DF185304 655ED170 655ED150 655ED150D 95B3 200GGD602 300GGD477 95A1 DF135715 DF137799 301GGD1458 25BC374 25C2721N 105515 60DD715 28H194 201GAF451 300GGD4011 GENERAL PROVISIONS AND LIMITATIONS Gardner Denver the warrants to each origi nal retail purchaser Purchaser of its new products from the Company or its authorized distributor that such products are at the time of delivery to the Purchaser made with good material and workmanship No warran ty is made with respect to 1 Any product which has been repaired or altered in such a way in the Company s judgment as to affect the product adversely Any product which has in the Company s judg ment been subject to negligence accident improper storage or improper installation or ap plication Any product which has not been operated or maintained in accordance with normal practice and with the recommendations of the Company Components or accessories manufactured war ranted and serviced by others 5 Any reconditioned or prior owned product Claims for items describe
3. Reduce pressure differential across the blower Replace rotors See page 18 Correct clearances See page 18 Relocate intake to cooler area PROBLEM Rotor contact with housing or endplate Lack of CFM delivery Excessive bearing or gear wear Loss of oil from seal vents Loss of oil from breather filters Loss of oil from driveshaft seal Excessive vibration POSSIBLE CAUSES Insufficient assembled clearances Case or frame distortion Excessive operating pressure Excessive operating temperature Material ingestion through the blower Slipping belts Worn clearances Blower RPM too slow Improper lubrication Oversized belt drive over tightened belts Worn oil seal Damaged seal sleeve Gear case or drive cover breathers plugged Endplate seal vents plugged Worn oil seal Worn oil seal Damaged seal sleeve Inadequate package design Soft foot Material build up inside rotors Bearing failure Excessive gear wear Bent shaft Internal mechanical contact SOLUTION Return for Warranty See page 18 Remove all mounting and pipe strains Remove cause Remove cause Replace worn inlet and inline filters Install check valve between blower and first material load point to elimi nate blow back when blower is stopped Tighten belts to proper tightness Replace rotors See page 18 Increase Blower speed Check sheave set Correct lubrication leve
4. PARTS LIST OPERATING AND SERVICE MANUAL GARDNER DENVER DuroFlow 45 SERIES BLOWERS Models GGD D D 9 611 Version 03 November 2005 MAINTAIN BLOWER RELIABILITY AND PERFORMANCE WITH GENUINE DUROFLOW PARTS AND SUPPORT SERVICES FROM GARDNER DENVER Factory genuine parts manufactured to design toler ances are developed for optimum dependability specifically for your blower Design and material innova tions are born from years of experience with hundreds of different blower applications When you specify factory genuine parts you are assured of receiving parts that incorporate the most current design advancements manufactured in our state of the art blower factory under exacting quality standards Your AUTHORIZED DISTRIBUTOR offers all the backup you require A worldwide network of authorized distributors provides the finest product support in the blower industry Your AUTHORIZED DISTRIBUTOR can support your blower investment with these services 1 Trained parts technical representatives to assist you in selecting the correct replacement parts 2 Complete inventory of new machines and new genuine factory parts 3 A full line of factory tested AEON PD Synthetic Blower Lubricants specifically formulated for opti mum performance in all blowers 4 Authorized Distributor service technicians are factory trained and skilled in blower maintenance and repair They are ready to respond and assist yo
5. asia e pue UEM enact big eee beg ead iv Index es Mae UBER MI vi Histor IlStrations ae dial seen te eds eet meee deed aaa re ACE zez te vii Ge Riek asp Fic Geter Lupe EE 1 Introduction Your Key To Trouble Free 2 Important Duroflow Telephone Numbers 2 Section 1 General Information PGR Open Thee E ERE NOE RE HEN PRG er 3 Removing Protective Materials At 3 Storage urt sodes ce ida Adr 3 Blower Mounting Configurations 2 4 SII MUI 5 Blower Outline Dimension Chart 6 Section 2 Installation eei ou qm es qiu eio 7 Foundation and Base ccna 82 zed twej alez 7 Mounting Configurations 2 4 7 Dnve Installation eros p SEE EN 7 PIPING te
6. 003 total indicator reading TIR Lubricate coupling according to manufacturer s specification With factory installed drives proper alignment has been established before shipment During shipping handling and instal lation it is likely that the alignment has been disturbed and final adjustment must be made before start up PIPING DuroFlow 45 series 4504 through 4512 blowers can accept a variety of inlet and discharge connectors Refer to FIGURE 2 2 below for a listing of available connectors 4504 through 4512 blowers are shipped without inlet and discharge connectors Contact your DuroFlow Distributor to order connectors The 4518 Series DuroFlow blower has flat face inlet and discharge flanges with ANSI 125 Ib bolt patterns When installing the blower avoid subjecting the inlet and discharge connections to strains caused by misalignment of the connecting pipes Never allow the blower to carry the weight of the pipe Piping strain and misalignment stress will distort the blower during operation resulting in loss of critical internal clearances Loss of internal clearances will result in serious machine damage and premature unwarrantable blower failure Whenever possible install a spool or sleeve type expansion joint between the blower and the piping Where a flexible connection is not possible the weight of the rigid connection and piping must be separately supported and thermal pipe growth must be accom mo
7. Before you attempt any in house repairs on a DuroFlow blower we recom mend that you first contact your authorized DuroFlow Distributor If your repair is more serious than the above procedures and involves the repair or replacement of a major blower component you will benefit greatly by using the DUROFLOW FACTORY REMANUFAC TURED BLOWER EXCHANGE PROGRAM See page i for additional information LOOK Look how easy it is to use the DuroFlow factory reman ufactured blower program 1 The moment you detect a major problem simply contact your DuroFlow Distributor to order your factory remanufactured DuroFlow blower You only need to supply the blower serial number and model number which are listed on the blower nameplate 2 Your distributor will immediately ship a factory remanufactured blower from its inventory directly to your attention Factory remanufactured Duro Flow blowers are backed by a full new blower warranty 18 months from the date of shipment or 12 months in service whichever occurs first and each remanufactured blower incorporates all of the latest design technology and enhance ments 3 When you install your remanufactured DuroFlow unit simply return the failed blower freight pre paid to our Indianapolis IN Remanufacturing D 9 611 Center for a core credit Your total cost for a factory remanufactured blower after core credit is significantly less than a new machine Inlet and dischar
8. frequent oil changes Laboratory analysis of lubricant should be used to help determine the optimum oil change interval For best performance and equipment protection use AEON PD Synthetic Lubricant which has been specifi cally formulated for positive displacement blowers If you choose not to use AEON PD Synthetic Blower Lubricant select an oil with rust and oxidation inhibi tors anti foam additives and the viscosities listed in FIGURE 3 3 page 12 Do not use an oil that contains EP additives Page 10 Flush the oil whenever a change is made from one type of oil to another Flush the oil whenever a change is made from one type of oil to another Drain the current lubricant as thoroughly as possible Refill with the new lubricant Fill to normal level of the blower which is at the middle of the sight glass when the machine is not operating Run the blower for one hour Shut off the blower and drain the lubricant completely Refill the blower again with the new lubricant Air Seal Vent Systems All DuroFlow blowers are designed with a vent opening between the air chamber seal and the oil sump seal that vents to atmosphere any air which escapes from the air chamber The vent prevents pressurization of the oil sump and D 9 611 must be left open to atmosphere Do not plug these vent holes see FIGURE 1 2 page 5 Do not plug vent holes or oil sumps may pressurize causing loss of oil excessive heat and serious d
9. CYLINDER AIR 2 ROTOR GROUP 4 HOUSING BEARING 5 HOUSING BEARING 6 BASE VERTICAL MOUNTING BRACKET HORIZONTAL MOUNTING 8 SCREW IRR etis 9 LOCKWASHER 11 PISTON RING aie aed AA 12 CARRIER a eee 13 SLINGER Juster Rue 14 SPACER lieti eii 15 LOAD RING uper eR ite ane acta 16 ROLLER BEARING 17 BALL BEARING 18 SPACER uis iio PA Rd Urin 19 BEARING RETAINER PLATE 20 SOREW gt ER AG 21 GEAR Kl ee Er DURS 22 WASHER i dite us end eed Stans 23 SPACER EA 24 SLINGER ete 25 SLINGER EDU 26 NUT 27 lt Ad 28 PLUG s 29 PLUG ie ela ert Rx ev 30 BUSHING sec ction nd egal agile 31 SPRING ELE 33 BREATHER A 34 PIN DOWEL 35 SEAL RING bec de tint 37 SCREW 7 Aars area cet La 38 SCREW AA 39 SGREW saps 41 GEAR COVER 42 DRIVE COVER Rhe 43 WASHER 44 GASKET o
10. tribution and subsequent premature blower failure DRIVE INSTALLATION When selecting a V belt drive check to be sure the shaft overhung load limitation is not exceeded Overhung Load Calculations and Limitations An excessive overhung condition exists when the belt pull on the blower shaft exceeds the maximum allowable moment listed in Maximum Allowable Moment chart in FIGURE 2 1 page 8 Excessive overhung load conditions must be avoided or bearing failure and shaft breakage will result Exceeding overhung load limitations leads to unwarrantable premature bearing failure and shaft breakage The location of the sheave on the blower shaft greatly affects the stress in the shaft The optimum blower sheave positioning is as close as possible to the blower drive cover not to exceed dimension C shown in max imum allowable moment chart FIGURE 2 1 page 8 To calculate the shaft moment for a given V belt drive arrangement first calculate the belt pull using the formula for belt pull in FIGURE 2 1 page 8 Insert the calculated belt pull into the formula for calculation of shaft moment in FIGURE 2 1 page 8 to arrive at the calculated shaft moment The calculated shaft moment must not exceed the maximum allowable moment listed in the chart FIGURE 2 1 page 8 If the calculated shaft moment exceeds the maximum allowable moment e Increase Sheave Diameters to Reduce Belt Pull Use Jackshaft Drive e Use Direct Coupled
11. 40867 62M48 DF185304 655ED170 655ED150 655ED150D 95B3 200GGD602 300GGD477 95A1 DF135715 DF137799 301GGD1458 25BC374 DF135718 105515 60DD715 28H194 201GAF451 300GGD4011 Size 4509 GGDC DA Part No 308GGD002 303GGD4028 312GGD006 313GGD006 200GGD247 DF193168 655EE050 95B5 DF139986 300GGD1148 302GGD173 304GGD144 301GGD778 12BA213 12BA193 305GGD144 300GGD253 75LM262N 200GGD6008 300GGD244 306GGD144 DF188536 DF143095 50V56 5028 64 1 64 4 64 27 DF181069 DF140867 62M48 DF185304 655ED170 655ED150 655ED150D 95B3 200GGD602 300GGD477 95A1 DF135715 DF137799 301GGD1458 25BC374 DF135717 105515 60DD715 28H194 201GAF451 300GGD4011 Size 4512 GGDD_DA Part No 309GGD002 304GGD4028 312GGD006 313GGD006 DF135405 DF137804 655EE050 95B5 DF139986 300GGD1148 302GGD173 304GGD144 301GGD778 12BA213 12BA193 305GGD144 300GGD253 75LM262N 200GGD6008 300GGD244 306GGD144 DF188536 DF143095 50V56 5028 64 1 64 4 64E27 DF181069 DF 140867 62M48 DF185304 655ED170 655ED150 655ED150D 95B3 200GGD602 300GGD477 95A1 DF135715 DF137799 301GGD1458 25BC374 DF135716 105515 60DD715 28H194 201GAF451 300GGD4011 45 SERIES DUROFLOW BLOWER EXPLODED VIEW MODEL 4518 BLOWER 305GGD810 D Ref Drawing D 9 611 Page 22 Order by Part Number and Description Reference Numbers are for your convenience only Ref No tPeteeQaea Name of Part GY EIN
12. 7 50 15 88 11 50 16 00 11 35 5 62 N 9 10 NGK EN i 10 02 12 52 14 02 15 52 18 52 2 25 2 25 2 25 2 25 2 25 6 50 DIA 69 69 e me M O s ai See FIGURE 2 2 Page 9 for available connectors APPROXIMATE WEIGHT FIGURE 1 3 BLOWER OUTLINE DIMENSION CHART D 9 611 Page 6 SECTION 2 INSTALLATION LOCATION Whenever possible install the blower a clean and dry place that is both well lighted and well ventilated Provide plenty of room for easy inspection and mainte nance FOUNDATION AND BASE For permanent installations we recommend concrete foundations be provided and the equipment should be grouted to the concrete Use non shrinking grout only It is necessary that a suitable base be used such as steel combination base under the blower and motor or aseparate sole plate under each The blower feet must be 100 supported Before grouting equipment must be leveled free of all strains and anchored so no movement will occur during curing of grout After grout has completely hardened a recheck is necessary to compensate for shrinkage If required add shims under blower feet after final tightening of foundation anchor bolts to remove strain from the blower housing Where jack screws or wedges are used during grout ing they must be backed off or removed before final tightening of anchor bolts Where a concrete foundation is not feasible ca
13. All costs of transportation of product labor or parts claimed not to be as warranted and of repaired or re placement parts to or from such service facilities shall be borne by the Purchaser The Company may require the return of any part claimed not to be as warranted to one of its facilities as designated by Company transportation prepaid by Purchaser to establish a claim under this warranty Replacement parts provided under the terms of the warranty are warranted for the remainder of the Warran ty Period of the product upon which installed to the same extent as if such parts were original components thereof DISCLAIMER THE FOREGOING WARRANTY IS EXCLUSIVE AND IT IS EXPRESSLY AGREED THAT EXCEPT AS TO TITLE THE COMPANY MAKES NO OTHER WARRANTIES EXPRESSED IMPLIED OR STATU TORY INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY THE REMEDY PROVIDED UNDER THIS WARRANTY SHALL BE THE SOLE EXCLUSIVE AND ONLY REMEDY AVAILABLE TO PURCHASER AND IN NO CASE SHALL THE COMPANY BE SUBJECT TO ANY OTHER OBLIGATIONS OR LIABILITIES UNDER NO CIRCUMSTANCES SHALL THE COMPANY BE LIABLE FOR SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES LOSSES OR DELAYS HOWSOEVER CAUSED No statement representation agreement or under standing oral or written made by any agent distributor representative or employee of the Company which is not contained in this Warranty will be binding upon the Company unless made in writing and execute
14. Changes 4 OUTING evga ed dos sitet PARA tas e ais oh ALA dd A le A ee a abe ed dons 5 Blower Outline Dimension Chart 6 Belt Drive Overhung Load Limitations 8 Inlet and Discharge Connectors 9 Approximate Oil Capacities 10 AEON PD Synthetic Lubricant 10 Viscosity Recommendation 12 Maximum Operating Limitations 14 EXPLODED VIEWS 45 Series Blower 304GGD810 20 45 Series Blower 305GGD810 14518 22 D 9 611 Page vii DUROFLOW BLOWERS 45 SERIES MATRIX MENU NOTICE TO CUSTOMER To find the construction op tions for your blower unit FILL IN THE BALANCE OF LET D D TERS OR NUMBERS FROM YOUR UNIT NAMEPLATE COLUMN NUMBER 1 2 3 4 5 6 7 FOLLOW THE LINE DOWN AND OVER FROM EACH SPACE THUS FILLED IN TO FIND THE APPROPRIATE CONSTRUCTION OPTION WITH WHICH YOUR MA CHINE IS EQUIPPED COLUMN 1 BASIC DESIGNATOR COLUMN 2 PRODUCT FAMILY G INDUSTRIAL BLOWER COLU
15. DERSAIR Gin ete gated Gis re ROTOR GROUP har ti EI Ge Ga ee an HOUSING BEARING HOUSING BEARING Rane hoe pet BASE VERTICAL MOUNTING BRACKET HORIZONTAL MOUNTING CARRIER nasa Le ee eese eate SLINGER si usos p IR ie AA SPAGER eate Weed e E er ER EVER sad alata RE Ri NOT vit idet cece ZERA hm else eee E EUCH PEUG uisu add abre akse dio Saca res Ap BUSHING WA etm La idle eA dus aidera SPRING eu ee Ga qute eee bed EE BREATHER sene SS WASHER inen eed ALGER GASKET SW 2 toh gions EISE SIGHT GLASS c zatrzy tele reste eR and rei RE GASKET utse tt Sed kr ae foc d KEY SQUARE wa dk dre berede Su Say ees end arkene PAINT GDP123A GRAY SEMI GLOSS BIETINGDUG ha oO LA hdl tel leds IDENTIFICATION 8 INSTRUCTION STORAGE KIT See page 19 for Part Numbers OVERHAUL KIT See page 19 for Part Numbers Included in Overhaul Kit Not shown on illustration D 9 611 Page 23 Qty aaa m m E 0
16. MN 3 GEAR DIAMETER 4 5 45 Series COLUMN 4 CASE LENGTH 45 Series 4 12 A B C 9 D E 18 COLUMN 5 CONSTRUCTION VERTICAL TOP HAND CENTRAL TIMED VERTICAL BOTTOM HAND CENTRAL TIMED C HORIZONTAL LEFT HAND CENTRAL TIMED D HORIZONTAL RIGHT HAND CENTRAL TIMED COLUMN 6 DESIGN VERSION COLUMN 7 ADDITIONAL DESCRIPTION A STANDARD NO MODIFICATION LEAK RESISTANT E STEP UP DRIVE COLUMNS 8 THRU 11 MODIFICATION NUMBER NOT INCLUDED IN THIS PUBLICATION CONSULT FACTORY D 9 611 Page 1 INTRODUCTION YOUR KEY TO TROUBLE FREE SERVICE Thank you for investing in DuroFlow quality The DuroFlow reputation for rugged dependability has been earned by over 70 years of service in demanding industrial operations where downtime cannot be toler ated and efficient blower performance is expected Your DuroFlow blower is a precision engineered blower that has been carefully manufactured and thoroughly tested at the state of the art Gardner Denver Blower Factory in Sedalia Missouri As with other precision machinery there are several relatively simple installation operation and mainte D 9 611 nance procedures that you must observe to assure optimum blower performance There is no guesswork in the manufacture of your highly advanced DuroFlow blower and there must be none in preparing the blower to get the job done in the field The purpose of this manual is to help
17. Mist spraying the impellers and air chamber with a rust preventative will protect these surfaces from rusting To prevent rusting of gears and bearings add one pint of VCI oil in each oil reservoir Ref Part Number 28H280 per quart 7 Rotate shaft by hand weekly to prevent bearings from taking a set and to keep seals soft Before running the blower drain the oil and replace to the proper operat ing level with clean fresh lubricant Rotating components will cause severe injury in case of personal contact Keep hands away from blower inlet and discharge ports Page 3 45 SERIES VERTICAL TOP HORIZONTAL LEFT NN VERTICAL TOP ROTATES in out out in LEFT TO BECOME out in HORIZONTAL LEFT VERTICAL BOTTOM HORIZONTAL RIGHT VERTICAL BOTTOM ROTATES LEFT TO BECOME HORIZONTAL RIGHT C9 out Cw CCW SHAFT ROTATION KEY CW CLOCKWISE CCW COUNTERCLOCKWISE NOTE When changing configurations be sure to relocate the Oil Fill Oil Drain and Breather Filters into their proper position 45 Series blowers require a mounting foot change with a configuration change FIGURE 1 1 BLOWER MOUNTING CONFIGURATIONS D 9 611 Page 4 45 SERIES BREATHER FILTER BREATHER FILTER AIR VENT BOTH ENDS FIGURE 1 2 OUTLINE D 9 611 Page5 BLOWER OUTLINE DIMENSION CHART 44 456 49 452 _ 4518 B 6 1637 1637 1637 1637 C 12 12 4 63 DIA 1 4375 13 00 1
18. a aker RR 45 SIGHT GLASS 47 WEAR SLEEVE 48 O RING EE RES EE 49 GASKET enne ida R AA 60 KEY SQUARE 80 OILSEAL urge Rx REESE xS Aen PAINT GDP123A GRAY SEMI GLOSS ko LIFTING EUG re mr tee IDENTIFICATION amp INSTRUCTION GROUP STORAGE KIT See 19 for Part Numbers OVERHAUL KIT See page 19 for Part Numbers Included in Overhaul Kit Not shown on illustration D 9 611 E Size 4504 GGDA_DA Part No 306GGD002 301GGD4028 312GGD006 313GGD006 202GGD247 DF193168 655EE050 95B5 DF139986 300GGD1148 302GGD173 304GGD144 301GGD778 12BA213 12BA193 305GGD144 300GGD253 75LM262N 200GGD6008 300GGD244 306GGD144 DF188536 DF143095 50V56 5028 64 1 64 4 64 27 DF181069 DF140867 62M48 DF185304 655ED170 655ED150 655ED150D 95B3 200GGD602 300GGD477 95A1 DF135715 DF137799 301GGD1458 25BC374 DF141539 118401 60DD715 28H194 201GAF451 300GGD4011 Page 21 Size 4506 GGDB DA Part No 307GGD002 302GGD4028 312GGD006 313GGD006 201GGD247 DF193168 655EE050 95B5 DF139986 300GGD1148 302GGD173 304GGD144 301GGD778 12BA213 12BA193 305GGD144 300GGD253 75LM262N 200GGD6008 300GGD244 306GGD144 DF188536 DF143095 50V56 5028 64 1 64 4 64 27 DF181069 DF1
19. amage to the machine Oil Sump Breathing System All DuroFlow blowers are designed to permit their oil systems to breathe freely to prevent pressurization of the oil sumps Breather filters are required to keep contaminants from entering the oil sumps See Figure 1 1 page 4 Breather filters are easily cleaned by washing in commercial solvent and drying with compressed air Clean at every oil change to assure proper venting Page 11 Blower Ambient Discharge Temperature Lessthanto F than10 Lessthanto Fr F to 32 F F to 90 Greater than 90 F than 90 F 0 32 1 ISO 1003 ISO 100 ISO 150 0 C to 38 100 F to 225 F ISO 1001 ISO 1001 ISO 150 150 220 38 C to 105 C 225 F to 300 F ISO 1501 ISO 150 150 220 ISO 220 105 C to 149 Greater 300 F 149 For ambient temperatures less than 10 F but not less than 20 F the use of oil sump heaters heated enclosures or synthetic lubricant is required For ambient temperatures 10 F to 32 F the use of oil sump heaters heated enclosures or synthetic lubricant is recommended lubricant viscosity must be 70 SUS minimum at the lubricant operating temperature The pour point of the lubricant should be at least 5 to 10 F below the minimum expected ambient temperature For continuous operation where the lubricant temperature exc
20. are available for immediate shipment for all DuroFlow blowers Kits include all the Page 18 normal wearing parts needed to overhaul your DuroFlow blower Oil seals air seals bearings spacers gaskets and Belleville timing spring Kits do not include inlet and outlet gaskets Part numbers for overhaul kits and inlet and outlet gaskets are given below Refer to Section 7 for additional part numbers as required Parts Ordering Instructions When ordering parts indicate the model and serial number from the blower nameplate and identify the blower configuration by referring to Figure 1 3 page 6 For prompt professional assistance in selecting the correct repair parts for your DuroFlow blower contact your Duroflow Distributor who maintains a large inven tory of genuine DuroFlow parts OVERHAUL KITS 45 Series Overhaul Kit Design Version D All Models Part Number 306GGD6010 INLET AND OUTLET GASKETS Part Number DF141539 DF135718 DF135717 DF135716 25C2721N 2 Required per Machine STORAGE KITS 45 Series Extended Storage Kit Design Version D D 9 611 200GGD6015 201GGD6015 202GGD6015 203GGD6015 300GGD6015 Page 19 SECTION 7 PARTS LIST AND EXPLODED VIEW 45 SERIES DUROFLOW BLOWER EXPLODED VIEW D 9 611 Page 20 304GGD810 D Ref Drawing Order by Part Number and Description Reference Numbers are for your convenience only Ref No Name of Part Qty 1
21. d by an officer of the Company This warranty shall not be effective as to any claim which is not presented within 30 days after the date upon which the product is claimed not to have been as warranted Any action for breach of this warranty must be commenced within one year after the date upon which the cause of action occurred Any adjustment made pursuant to this warranty shall not be construed as an admission by the Company that any product was not as warranted COPYRIGHT 2005 Gardner Denver Inc Page 24 Warranty Registration Your DuroFlow blower has been designed and manufactured to provide continuous trouble free service year in and year out Follow the simple maintenance procedures outlined in this manual and you will be assured of superior blower performance and years of dependable blower life Please register your DuroFlow Blower with our Factory Service amp Warranty Department Complete the warranty registration information below and fax it to Gardner Denver Thanks again for the privilege of serving you with quality from DuroFlow Date Your Name Your Title Your Company Address City State Zip Telephone Blower Serial Number Date of Blower Start up What is your application NOTES 4400 Morris Park Drive Web www suncopowder com Charlotte NC 28227 Email info suncopowder com J POWDER SYSTEMS Phone 704 545 3922 Fax 704 545 8345
22. d in 4 above should be submitted directly to the manufacturer WARRANTY PERIOD The Company s obligation under this warranty is limited to repairing or at its option replacing during normal business hours at an authorized service facility of the Company any part which in its judgment proved not to be as warranted within the applicable Warranty Period as follows BARE BLOWERS Basic bare blowers consisting of all parts within are warranted for 12 months from date of initial use or 18 months from date of shipment to the first purchaser whichever occurs first Any disassembly or partial disassembly of the blower or failure to return the unopened blower per Company instructions will be cause for denial of warranty OTHER COMPONENTS All other components are warranted for 12 months from date of initial use or 18 months from date of shipment to first purchaser whichever comes first LABOR TRANSPORTATION AND INSPECTION The Company will provide labor by Company represen tative or authorized service personnel for repair or replacement of any product or part thereof which in the D 9 611 WARRANTY DUROFLOW BLOWERS 45 SERIES Company s judgment is proved not to be as warranted Labor shall be limited to the amount specified in the Company s labor rate schedule Labor costs in excess of the Company rate schedule amounts or labor provided by unauthorized service personnel is not provided for by this warranty
23. dated Thoroughly clean all system piping internally before connecting to the blower DUROFLOW INLET AND DISCHARGE CONNECTORS TWO CONNECTIONS REQUIRED FOR EACH BLOWER NOTE CONNECTORS ARE REUSABLE CONNECTOR PART NUMBER 4 Line Size 4 Line Size 5 Line Size 5 Line Size 6 Line Size 6 Line Size Connector Connector Connector Connector Connector Connector Short Long Short Long Short Long DuroFlow Model N A DF141575 N A N A N A N A DF137356 DF137357 N A N A N A N A DF138987 N A DF149559 DF137346 N A N A N A N A N A N A DF141748 DF137344 ALL CONNECTORS HAVE FEMALE THREADED CONNECTIONS Use 5 connectors above 3000 RPM on pressure service to keep line losses to a minimum FIGURE 2 2 INLET AND DISCHARGE CONNECTORS D 9 611 Page9 SECTION 3 LUBRICATION All DuroFlow blowers are splash oil lubricated at both the gear and drive ends Oil is distributed around the gear housing and drive end chamber by the gears and specially designed oil flingers Series Vertical Horizontal Oil Fill Ports Mounting Mounting One Port Shaft amp Gear Ends Interconnected FIGURE 3 1 APPROXIMATE OIL CAPACITIES RECOMMENDED LUBRICANT The factory recommended lubricant is AEON PD Synthetic Lubricant PD is formulated especially for positive displacement blowers to provide maximum protection at any temperature One filling of AEON PD will last a minimum of 4 times longer than a premium m
24. eeds 200 F synthetic lubricant is recommended The recommended operating range for AEON PD Synthetic Lubricant FIGURE 3 3 VISCOSITY RECOMMENDATION D 9 611 Page 12 SECTION 4 OPERATION Future operating problems can be avoided if proper precautions are observed when the equipment is first put into service Before starting under power the blower should be turned over by hand to make certain there is no binding or internal contact LIMITATIONS Each size blower has limits on pressure differential running speed and discharge temperature which must not be exceeded These limits are shown in FIGURE 4 1 page 14 Operating beyond the specified oper ating limitations will result in damage to the unit To accurately determine actual blower operating condi tions it is important that all pressure and temperature recordings are made directly at the ports of the blower where these conditions are at their maximum Relief valves MUST be used to protect the blower against excessive pressure or vacuum conditions These valves should be tested at initial start up to be sure they are adjusted to relieve at 2 psi above the maximum allowable pressure or at 2 HG below the maximum allowable vacuum for the blower Periodic testing of relief valves is suggested to assure that they are functioning D 9 611 Relief valves should be placed as close as possible to the blower inlet on vacuum systems or discharge on pressure
25. emature bearing failure If blower is V belt driven check for excessive overhung load condition Loads in excess of maxi mum allowable overhung load limitations will lead to premature bearing failure and shaft breakage Be sure adequate drive guards are in place to protect the operator from SEVERE PERSONAL INJURY from contact with rotating components Turn the unit over by hand to be sure there is no binding or rotor contact The 45 series uses piston rings for sealing When units are new some resistance to turning the driveshaft by hand will be encountered After several hours of running this seal pressure will relieve itself and the blower will be somewhat easier to turn Jog the blower with the motor to check for proper rotation and airflow direction Listen for unusual noise coming from the blower or motor and make sure the blower coasts smoothly to a stop Start unit and operate for 15 minutes with no load Check for hot spots on housing or end plates noise and other indications of interference Allow the blower to cool to room temperature and re check oil level Add oil if necessary DO NOT OVERFILL Check to be certain that actual blower speed is within allowable limits Apply load and observe operation for the first hour checking pressure and air discharge temper ature a Do not operate blower over manufacturer s specified pressure or vacuum rating b Discharge air temperature should not exceed the maximum allowable tempera
26. ge connectors are re usable Remove connectors from the failed blower before returning the core to the Indianapolis IN Reman ufacturing Center LISTEN Listen to the sound of your well running plant not the complaints of your exasperated mechanics when they realize that properly repairing a DuroFlow blower is a much more delicate and difficult process than it origi nally appeared to be Listen to the experience of thousands of plant operators who depend upon the DuroFlow remanufactured blower program to save them time money and frustration Remember every DuroFlow factory remanufactured blower is backed with a full new blower warranty 18 months from the date of shipment or 12 months from the date of start up whichever occurs first Repair Parts If you elect to attempt a repair on your DuroFlow blower make certain you use genuine DuroFlow original equipment parts to retain the performance and dependability of your DuroFlow blower Factory genuine parts engineered to original toler ances are designed for optimum dependability specifically for your blower Design and material innovations are born from years of experience with hundreds of different blower applications When you specify factory genuine parts you are assured of receiv ing parts that incorporate the most current design advancements manufactured in our state of the art blower factory under exacting quality standards Prepackaged overhaul kits
27. ineral oil depending on actual operating conditions AEON PD contains a special additive package designed for greater rust and corrosion protection AEON PD Lubricant Part Number 28G23 28G24 28G25 28G28 Description 1 Quart Case 12Quarts 5 Gallon Pail 55 Gallon Drum AEON PD Food Grade Lubricant Part Number 28H97 28H98 28H99 28H100 Description 1 Quart Case 12Quarts 5 Gallon Pail 55 Gallon Drum FIGURE 3 2 AEON PD SYNTHETIC LUBRICANT D 9 611 Machines are shipped without oil in the sumps Do not operate before adding lubricant LUBRICATION INSTRUCTIONS For 45 series models the oil fill port is located on the top of the blower at the driveshaft end see FIGURE 1 2 page 5 The two oil sumps are connected by a passageway through the housing Addoil until the level stabilizes at the center ofthe sight glass es Oil level at the sight glass must be established when the blower is not operating Add fresh oil as required to maintain proper level Do not overfill as this will tend to cause excessive heating of the gears oil to leak through the vent holes and may damage the unit AEON PD Synthetic Lubricant should be drained after 6000 hours of operation Re fill with fresh AEON PD oil If mineraloil is used perform the above oil change maintenance every 1500 hours Recommended service intervals are for normal blower operating condi tions Severe operating conditions may warrant more
28. l Replace dirty oil with AEON PD Synthetic Blower Lubricant Re tension belts to proper tightness Check drive to eliminate possible overhung load condition Replace seals See page 17 Replace sleeve See page 17 Clean breather filters Clean vents of obstruction Do not plug seal vents Replace seals See page 17 Replace seal See page 17 Replace sleeve See page 17 Reinstall base fill with concrete Shim to eliminate condition Replace worn inlet and inline filters Install check valve between blower and first material load point to elim inate blow back when blower is stopped Replace bearings Replace gears Replace rotor set See Rotor Contact above If you are unable to resolve the problem contact your DuroFlow Distributor for immediate assistance D 9 611 Page 17 SECTION 6 SERVICE OPTIONS Factory Remanufactured Blower Program STOP You have turned to the service section because you have a blower problem that requires the blower to be mechanically adjusted or repaired First determine if the blower is still under warranty Contact your DuroFlow Distributor and provide them with the blower SERIAL NUMBER located on the blower name plate DuroFlow will promptly handle all warranty claims according to the warranty policy on page 24 If the blower is out of warranty DuroFlow blower is a precision machine that requires special tools and experience to be properly repaired
29. mance specifications Latest Technology Factory remanufactured DuroFlow blowers incorporate all of the latest new blower design improvements Warranty Gardner Denver backs up every remanufactured blow er with a new warranty 18 months from purchase 12 months from service Gardner Denver remanufactured air ends deliver quality without question year in and year out Page i GARDNER DENVER LUBRICANT ORDER INFORMATION Re order Part Numbers for Factory Recommended Lubricants AEON PD Synthetic Lubricant or AEON PD Food Grade Synthetic Lubricant AEON PD Synthetic Lubricant Description Part Number 1 Quart 28G23 Case 12Quarts 28G24 5 Gallon Pail 28G25 55 Gallon Drum 28G28 AEON PD Food Grade Synthetic Lubricant Description Part Number 1 Quart 28H97 Case 12Quarts 28H98 5 Gallon Pail 28H99 55 Gallon Drum 28H100 Call your local Duroflow Distributor to place your order for Gardner Denver lubricants Your Authorized Gardner Denver Distributor is D 9 611 Page ii FOREWORD Duroflow blowers are the result of advanced engineering and skilled manufacturing To be assured of receiving maximum service from this machine the owner must exercise care in its operation and maintenance This book is written to give the operator and maintenance department essential information for day to day operation mainte nance and adjustment Careful adherence to these instructions will result in economical operation and minimum dow
30. moe pci one 9 Duroflow Inlet and Discharge Connectors 9 Section 3 Lubrication Recommended Lubricant incre P Eae bbe a ei aan brak ker PERDE E 10 Lubrication Instructions oh expo beet p Rex geht e e xia ete wore 10 Section 4 Operation Limitations a entre Rx leere Lastet MM eM PRINCI Made ri re Ci IRE 13 Safety Precautions bote eet esit twee ate a hs 13 Blower Startup 2 15 Section 5 Maintenance And Troubleshooting Key Points for Long Blower 16 Trouble Shooting eR pe DEP 16 Section 6 Service Options Factory Remanufactured Blower 4 18 Parts Ordering 19 OVerhaulikts 22 25 52 arm rel RA AR ere sine EP acts endear irt CRT dp ute 19 Section 7 Parts Lists And Exploded Views 45 Series Duroflow BIOWOt rct bees eee bee ok ber 20 45 Series Duroflow Blower Model 4518 Blower 22 Warranty Madan date Se REE Di dy 24 Warranty Registra
31. ntime DANGER Danger is used to indicate the presence of a hazard which will cause severe personal injury death or substantial property damage if the warning is ignored Warning is used to indicate the presence of a hazard which can cause severe personal injury death or substantial property damage if the warning is ignored Caution is used to indicate the presence of a hazard which will or can cause minor personal injury or property damage if the warning is ignored Notice is used to notify people of installation operation or maintenance information which is important but not hazard related D 9 611 Page iii SAFETY PRECAUTIONS Safety is everybody s business and is based on your use of good common sense All situations or circumstances cannot always be predicted and covered by established rules Therefore use your past experience watch out for safety hazards and be cautious Some general safety precautions are given below A DANGER EE Failure to observe these notices could result in injury to or death of personnel Keep fingers and clothing away from blower inlet and discharge ports revolving belts sheaves drive coupling etc e Do not use the air discharge from this unit for breathing not suitable for human consumption Do not loosen or remove the oil filler plug drain plugs covers or break any connections etc in the blower air or oil system until the unit is shut down and the air p
32. or Gearbox Drive Page 7 Dimensions Maximum MAIN Gear Allowable BEARING Diameter Moment Series Inches LB IN DRIVE COVER Applies to 4504 only MAXIMUM ALLOWABLE MOMENT DRIVE SHAFT ILLUSTRATION ARC OF CONTACT FACTORS 2 5 25 A EEE Belt Pull of Contact Factor Refer to Arc of Contact Factors Chart above Blower Horsepower for Operating Conditions Actual Drive Service Factor Blower Sheave Pitch Diameter in Inches Blower Sheave Speed Large Sheave Pitch Diameter in Small Sheave Pitch Diameter in Sheave Center Distance in CALCULATION OF BELT PULL Shaft Moment LB IN Belt Pull x B C Sheave Width 2 CALCULATION OF SHAFT MOMENT FIGURE 2 1 BELT DRIVE OVERHUNG LOAD CALCULATIONS D 9 611 8 Driver Location To properly balance the air load stress on the blower drive shaft locate the driver onthe inlet side for a vertical mounted blower and on the shaft side for a horizontal mounted blower Belt Drive Alignment Belt drives must be carefully aligned with the motor and blower sheaves parallel to each other and in the same plane Belt tension should be carefully adjusted according to the belt manufactur er s recommendations using a Tension Tester Overtightening belts produces heavy bearing loads and leads to unwarrant able premature failure On direct drive blowers align the couplings so that the offset and angular misalignment does not exceed
33. ot exceeded FIGURE 4 1 MAXIMUM OPERATING LIMITATIONS D 9 611 Page 14 BLOWER STARTUP CHECKLIST This startup procedure should be followed during the initial installation and after any shutdown periods or after the blower has been worked on or moved to a new location It is suggested that the steps be followed in sequence and checked off in the boxes provided L LI Oi Ue ABE 10 11 12 13 14 15 Check to make certain that the blower has been properly lubricated with AEON PD Synthetic Blower Lubricant Proper oil level cannot be overemphasized Too little oil will ruin bearings and gears Too much oil will overheat the lubricant and lead to serious blower damage Check to make sure all oil sump breather filters are installed in their proper location Oil leakage will occur if they are improperly located Check the unit and all piping for foreign material and clean if required Check the inlet or inline filter to make sure it is not plugged causing dangerous inlet restriction Check the preload of the feet and the alignment of the drive Feet that are bolted down in a bind can cause case distortion and internal rubbing A misaligned V belt drive will reduce life Misa ligned couplings place heavy loads on bearings which leads to their premature failure If blower is V belt driven check the belt tension Over tensioned belts create heavy bearing loads which lead to pr
34. r ference between the rotors and the housing or end plates Report any suspected mechanical problems immediately to your authorized DuroFlow distributor REMOVING PROTECTIVE MATERIALS AT START UP Blower inlet and discharge are temporarily capped to keep out dirt and other contaminants during shipment These covers must be removed before start up Failure to remove covers from blower inlet and discharge prior to start up will cause machine damage D 9 611 STORAGE Your DuroFlow blower was packaged atthe factory with adequate protection to permit normal storage for up to six 6 months Under the best of storage conditions there is still a potential for damage to occur Extended storage preparation is available from the factory prior to shipment at a small additional charge If the unit is to be stored under adverse conditions or for extended periods of time additional measures should be taken to prevent unwarrantable damage 1 Store the blower in a clean dry area 2 Make certain inlet and discharge air ports are tightly covered to prevent foreign material from entering the air chamber 3 All exposed non painted surfaces should be protected against rust and corrosion Make sure all vent breathers are in place Provide adequate protection to avoid accidental mechanical damage 6 In high humidity or corrosive environments addi tional measures may be required to prevent rusting of the internal surfaces
35. re must be taken to insure that equipment is firmly anchored to adequate structural members The blower must be installed on a flat level surface and bolted down evenly to prevent warping or strain Internal clearances are very critical and serious damage or failure can result from housing distortion If the unit is not flat within 002 of an inch it will be necessary to shim the blower feet at installation MOUNTING CONFIGURATIONS All DuroFlow blowers are center timed allowing rotation in either direction DuroFlow blowers are shipped in the vertical configura tion horizontal airflow If a horizontal configuration is desired the blower can be laid on its side after reposi tioning breathers oil filler drain plugs and mounting feet as indicated in the installation drawing FIGURE 1 2 page 5 To assure proper lubrication the blower must be laid over in the direction that places the oil sight glass es below the horizontal centerline of D 9 611 the blower See FIGURE 1 1 page 4 for additional configuration information When converting 45 series blowers from vertical to horizontal configurations the horizontal mounting feet are required Order horizontal mounting feet from your DuroFlow Distributor The blower must be mounted level with the driveshaft in the horizontal position The 45 series blowers have interconnected oil sumps and operation in an out of level condition will result in inadequate lubricant dis
36. ressure has been relieved Electrical shock can and may be fatal Blower unit must be grounded in accordance with the National Electrical Code A ground jumper equal to the size of the equipment ground conductor must be used to connect the blower motor base to the unit base Open main disconnect switch tag and lockout before working on the control Disconnect the blower unit from its power source tag and lockout before working on the unit the machine may be automatically controlled and may start at any time Failure to observe these notices could result in damage to equipment Stop the unit if any repairs or adjustments on or around the blower are required Disconnect the blower unit from its power source tag and lockout before working onthe unit the machine may be automatically controlled and may start at any time e Do not exceed the rated maximum speed shown on the nameplate e Do not operate unit if safety devices are not operating properly Check periodically Never bypass safety devices D 9 611 Page TABLE OF CONTENTS Page Maintain Blower Reliability and Performance with Genuine DuroFlow Parts and Support Services i Remanufactured Blower Program see page 17 for complete details i Gardner Denver Lubricant Order Information ii 952 E iii Safety Precautions
37. s regularly to make sure that air flow restriction does not occur and that foreign material does not enter the blower 6 Ifthe blower is taken out of service for any reason be sure to protect all interior surfaces from rusting TROUBLE SHOOTING No matter how well the equipment is designed and manufactured there may be times when servicing will be required due to normal wear the need for adjustment or various external causes Whenever PROBLEM POSSIBLE CAUSES Unit out of time equipment needs attention the operator or service technician should be able to locate the cause and correct the trouble quickly by following the Trouble shooting Chart given below SOLUTION Retime rotors See page 18 Knocking and excessive mechanical noise Excessive blower temperature Distortion due to improper mounting or pipe strains Excessive pressure differential Worn gears Worn bearings Too much oil in gear case Too low operating speed Plugged filter or silencer Excessive pressure differential Worn rotors clearances Internal contact Excessive inlet temperature D 9 611 Page 16 Check mounting alignment and relieve pipe strains Reduce to manufacturer s recom mended pressure or vacuum Exam ine relief valve re set if necessary Replace timing gears See page 18 Replace bearings See page 18 Reduce oil level Increase blower speed Check sheave set Remove cause of obstruction
38. systems Check valves must be installed on the discharge side of the blower on a pressure system and on the inlet side of the blower on a vacuum system to eliminate product ingestion resulting from autorotation and blow back during equipment shutdown SAFETY PRECAUTIONS 1 Do not operate the blower with an open inlet or dis charge port 2 Do not exceed specified vacuum or pressure limitations 3 Do not operate above or below recommended blower speed range 4 blower is not to be used where non sparking equipment is specified Contact your DuroFlow Distributor for non sparking requirements 5 Do not operate the blower without belt guard or coupling shield properly installed 6 Do not exceed the manufacturer s specified rim speed limit for sheaves or couplings 7 blower and blower discharge piping may be extremely hot and can cause skin burns on contact 8 Do not exceed the manufacturer s certification levels for vacuum or pressure vessels Page 13 MAXIMUM OPERATING LIMITATIONS Differential Dry Pressure Vacuum Discharge PSI In HG Temperature F DO NOT EXCEED THESE LIMITS Increased vacuum levels are attainable with water injection Contact your DuroFlow Distributor NOTICE Blower speed line losses elevation and increased inlet temperatures affect actual blower performance Care must be taken to consider these factors when designing your system so that blower limitations are n
39. tion e Aet A RR wale eis ge A RU EAE TA Last Page D 9 611 Pagev INDEX AEON PD Food Grade Lubricant Part Numbers 10 AEON PD Lubricant Part Numbers 10 Air Seal Vent Systems 11 Alignment Belt Drive 9 Base and Foundation 7 Belt Drive Alignment 9 Blower Startup Checklist 15 Checklist Blower Startup 15 Drive Installation 7 Belt Drive Alignment 9 Driver Location 9 Overhung Load Calculations and Limitations 7 Driver Location 9 Factory Remanufactured Blower Program 18 Foreword CEN CY WE iii Foundation and Base 7 Gaskets Inlet and Outlet 19 GENERAL INFORMATION SECTION 1 3 INSTALLATION SECTION 2 7 Installation Location 7 Key Points for Long Blower Life 16 Limitations Operation 13 Location Installation 7 Lubricant Recommended 10 Lubricant Order Information Gardner Denver ii LUBRICATION SECTIONS 10 Lubrication Instructions 10 Lubrication Service Air Seal Vent Systems
40. ture Check and retension belts after the first few hours of operation to minimize slippage and belt wear DO NOT OVERTENSION If mechanical problems are encountered during installation or start up notify your nearest DuroFlow Distributor Never continue to operate your DuroFlow blower if you detect a malfunction as serious damage can occur Do not attempt any internal investigation without factory authorization since this will void the warranty D 9 611 Page 15 SECTION 5 MAINTENANCE AND TROUBLESHOOTING Your DuroFlow blower has been designed manufac tured and tested to precise specifications Every DuroFlow blower is backed by over 70 years of proven performance in the most demanding applications that modern industry can produce DuroFlow blowers have been designed specifically for long trouble free service Minimal maintenance is required to keep your DuroFlow blower in top operating condition Your attention to the following key points will insure years of dependable DuroFlow blower performance Key Points for Long Blower Life 1 Use AEON PD Synthetic Blower Lubricant to assure maximum blower protection 2 The oil level must be checked periodically 3 Drain and refill the blower with fresh AEON PD Lubricant every 6000 hours of operation 1500 hours if using mineral based lubricant 4 Clean the breather filters at every oil change or more often if dust conditions are severe 5 Service the intake and in line filter
41. u by providing fast expert maintenance and repair services REMANUFACTURED BLOWERS Whenever a DuroFlow blower requires replacement or repair Gardner Denver offers an industry unique fac tory remanufactured blower exchange program From its modern Remanufacturing Center in Indianapolis IN Gardner Denver is committed to supplying you with the highest quality factory remanufactured DuroFlow blowers that are guaranteed to save you time aggrava tion and money Immediately Available Repair downtime costs you money which is why Gardner Denver maintains a large inventory of reman ufactured blowers at all times ready for immediate delivery Skilled Craftsmen Our Remanufacturing assembly technicians average Over 20 years experience with air compression products Precision Remanufacturing All potentially usable parts are thoroughly cleaned inspected and analyzed Only those parts that can be brought back to original factory specifications are D 9 611 remanufactured Every remanufactured DuroFlow blower receives a new overhaul kit bearings seals sleeves and gaskets Extensive Testing Gardner Denver performs testing that repair houses just don t do Magnaflux and ultrasonic inspection spot cracked or stressed castings monochromatic light analysis exposes oil leaks coordinate measurement machine inspects to 0001 and slip and hot run testing insure that all remanufactured DuroFlow blowers meet factory perfor
42. you properly install operate and maintain your DuroFlow blower It is essential that you review all sections of this manual in preparation for installing your blower Follow the instructions carefully and you will be rewarded with trouble free DuroFlow service year in and year out Page 2 SECTION 1 GENERAL INFORMATION INSPECTION Before uncrating check the packing slip carefully to be sure all the parts have been received All accessories are listed as separate items on the packing slip and small important accessories such as relief valves can be overlooked or lost After every item on the packing slip has been checked off uncrate carefully Register aclaim with the carrier for lost or damaged equipment The inlet and discharge openings are fitted with protec tive covers to prevent dirt and moisture from entering the blower during shipping and installation Do not remove and dispose of the covers until final checking and instal lation Covers are lined with a Corrosion Inhibitor which will inhibit rust for a period of six months Retain covers for use in reshipment or relocation of the unit Temporarily remove the protective covers and inspect interior of air chamber for foreign material or heavy rusting Turn driveshaft to assure that lobes rotate smoothly without binding New blowers may be difficult to turn by hand due to friction of the air seals Once in motion however there should be no indication of inte
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