Krendl 500 User manual

OWNERS MANUAL
MODEL #500
KRENDL MACHINE COMPANY • 1201 SPENCERVILLE RD
DELPHOS, OHIO 45833 • TELEPHONE [phone] • FAX [phone]
E - MAIL: [e-mail] • WEB SITE: www.krendlmachine.com
60YEARS OFAMERICAN INGENUITY

CONGRATULATIONS ON YOUR PURCHASE OF KRENDL EQUIPMENT
MODEL #500
OWNER'S MANUAL
FOR ASSURED SAFETYANDCONFIDENCE,PLEASEREADTHIS
MANUAL CAREFULLY BEFORE INSTALLING AND OPERATING
YOUR MACHINE.
E-MAILADDRESSIS: [email protected]
WEBSITEIS:www.krendlmachine.com

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL SAFETY INFORMATION . . . . . . . . . . . . . . . . .
DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RETURNED GOODS PROCEDURE . . . . . . . . . . . . . . . . .
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BASIC COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .
THEORY OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . .
OPERATINGINSTRUCTIONS
Machine Hook-up . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Operation . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Settings . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARTS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GLOSSARY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE RECORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE
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10-12
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14-15
15-19
20-29
30-32
33-53
54
55
Table of Contents

Rev. Date: 3/14/18 Page1
MODEL #500
INTRODUCTION
Thankyou forpurchasing a KRENDL FIBER MOVING MACHINE. Withover sixty yearsexperience in
manufacturingfibermovingequipment,wehavedesignedandbuiltyourmachinewiththehighestquality
toprovide years ofreliable service.
Thismanualhasbeen prepared to helpyouobtainthemaximumefficiency and servicefromyourKrendl
equipment. The machine is designed to condition and apply fibers with the utmost in dependable
performance. Ourprimaryobjectiveistobuildequipmentwhichwillprovidecompletesatisfactionsothat
youmayconfidentlyrecommendKrendltoothers.
Wedonotmanufactureorsellfibers. Ourinterestlies onlyintheproperperformanceofthe equipmentwe
manufacture. Wemakeno recommendations orguaranteesconcerningvarious fibers.
CAUTION:
This manual contains important information regarding the safe assembly and operation of your
machine. Weurgeyoutoreaditcarefullyandfollowtheinstructionsprovided. Ifyourquestionsarenot
answeredin thismanual, may wehear fromyou? We want youto beable to operatethis unitsafely
andconfidently.
UNPACKING: Storeandunpack carton with correct side up. Unpack your machineIMMEDIATELY and
check for damage in shipping. Place any damage claim with delivering carrier, saving all packing
materials for inspection. Our warranty covers manufacturer'sdefects only. DONOT returnto shipper.
FILL IN AND RETAIN:
KrendlMachineCompany Telephone: [phone]
1201Spencerville Rd Fax: [phone]
Delphos,Ohio 45833 U.S.A. E-mail: [email protected]
Web Site: www.krendlmachine.com
For your protection in the event of theft or loss, please fill in the information requested for your own
records. This information will be needed for in-warranty repairs. You may also want to attach a copy of
yourinvoice.
Machine model number _ Blowermotormanufacturer _
Serial number _ Agitatormotormanufacturer _
Blower(s) serial number(s) _ Speed reducer manufacturer _
Date of purchase _ Supplier _
Themodelandmachineserialnumbersarelocatedonthebaseofthemachineunit. Theblower(s)serial
number(s)islocated on themotorhousingof blower.

Rev. Date: 3/14/18 Page2
MODEL #500
GENERAL SAFETY INFORMATION
Important: Read all instructions before operating this unit. This equipment can be potentially
dangerousandmustbeusedinstrictaccordancewithinstructions.
DisclaimerNotice: Themanufacturerwillnotbelegallyresponsibleforanyinjuryordamageresulting
fromtheimproperuseofthisequipmentorthefailuretofollowinstructions.
Unpacking
Handlecartonswithcaretoavoiddamagefromdroppingorbumping. Storeand unpackcartonswiththe
correctsideup. Completelyremovemachinefromthepackagingandfromanyshippingpalletorskidto
whichitmightbeattached. Inaddition,completelyremoveallshippingmaterialsfrominsidethemachine.
General Safety
1. Readthismanualcarefullyandbecomefamiliarwithyourmachineunit. Knowitsapplications,
limitations,andanyhazardsinvolved.
2. This machine was designed and manufactured for specific applications. Do not attempt to
modifytheunitor use it for any application it was not designed for. Ifyouhaveanyquestions
aboutyourintendeduseorthemachinessuitability,askyourdealer/distributororconsultthe
factory. Themanufacturers'couldnotpossiblyanticipateeverycircumstancethatmightinvolve
ahazard. Forthatreason,warningsinthemanualandwarningtagsordecalsaffixedtotheunit,
arenotall-inclusive. Ifyouintendtohandle,operate,orservicetheunitbyaprocedureormethod
notspecifically recommended bythe manufacturer, firstmake surethatsuch aprocedure or
methodwillnotrenderthisequipmentunsafeorposeathreattoyouandothers.
Electrical Safety
•TheNationalElectricCode(NEC)intheUnitedStatesandmanyinternationalelectricalcodesrequire
frameandexternalelectricallyconductivepartsofthismachinetobeproperlyconnectedtoanapproved
earthground. Localelectricalcodesmayalsorequirepropergroundingofmachine. Consultwithlocal
electriciansforgroundingrequirementsinyourarea.
• Neverhandleanykindofelectricalcordordevicewhilestandinginwater,whilebarefootorwhilehands
orfeetarewet. Dangerouselectricalshockwillresult.
• Useagroundfaultcircuitinterrupter(GFCI)inanydamporhighlyconductivearea.(metaldeckingorsteelwork)
• ReferenceNFPA79,70E,orOSHAsafeworkpracticeswhenperformingenergizedworkprocedures.

Rev. Date: 3/14/18 Page3
MODEL #500
Safety/Caution
• Be Safe - Keepawayfrommovingparts.
• Be Safe - Makesureallguardsandhopperbarareinproperplacebeforeoperatingmachine. Guards
andsafetydevices/switchesshouldnotberemoved,modifiedorby-passed. Handsshould
never pass below hopper bar.
•Be Safe - Donotremovemotorsorlifthopperwhenunitisconnectedtopowersupply.
• Be Safe - Make sure machine is properly grounded. Protect all electrical supply cords from sharp
objects, moisture, and other potentially hazardous materials. Keep power cords in good
repair. Electricalservice mustbe performed bya qualifiedelectrician.
• Be Safe - Disconnectpowersupplybeforeinspectingoradjustingunit.
• Be Safe - Consultaqualifiedtechniciantoanswerquestionsbeforeattemptingtooperate,orinjurymay
result.
• Be Safe - Donot operatemachinealone.
• Be Safe - Donotleavemachineunattendedandenergized.
• Be Safe - Turnmachineoffanddisconnectelectricitybeforeclearingandfeedingjamorattemptingto
removeanyobjectdroppedinthehopper.
• Be Safe - Keep hands, loose clothing, jewelry and hair away from agitators, gears, chains and other
movingparts.
• Be Safe - Useproperliftingwhenmovingfibersandloadingmachine.
• Be Safe - Keep work area clear of debris.
• Be Safe - Wear proper safety equipment, including protective gear, such as respirators, eye and ear
protection.
• Be Safe - ViolationoftheOwner'sManualorsafetyprecautionsmayvoidwarranty.
Make Sure!
• Hopperis empty offoreignobjects before starting.
• Adequateelectricalpower is supplied ordamagetounit will result.
• Blowerfilteris kept cleanandin place whenbloweris on.
• Machineisturnedoffimmediately ifhoseisplugged,orblowerwilloverheat.
• Machinemust beon before addingfiber.
• Blower(s)mustbeon,whenagitatorsarerunning,ormachinewillbind.
• Agitatormotorisnotrunwithhopperemptyformorethanafewminutes,ordamagetosealswillresult.
• Sprockets,chains,beltsandpulleysarecorrectlyaligned andtensioned.
• Piecesof bagare not left inthe machine asthis can bindand stallyourmachine.
• Thismachineshouldonlybeusedwithgoodqualityfibersthataredry,undamagedandthatmeetacertain
industryspecificationorqualitystandards.

Rev. Date: 3/14/18 Page4
MODEL #500
Manufacturer information is provided here
alongwithmachinemodel,andserialnumber.
Identifies position of material feed gate.
DECALS
Emergency stop button for machine.
Keeping the filter clean will result in longer
blower life and better performances. Rotating parts can be dangerous! You can snag clothes,
hair, hands, etc. This can cause serious injury or death.
Generalsafetyinformationintendedtoreduce
the risk of serious injury or death
Opens and closes the material feed gate
which in turn controls the production.
Made in the U.S.A.
Indicates if blower is off, on, or on with agitator.
Identifies what type of insulation should be used with this
machineandthat the manualshouldbe readbeforeoperat-
ing. Warns to be careful around electrical components!
This can cause serious injury or death.

Rev. Date: 3/14/18 Page5
MODEL #500
Rotatingparts willbemovinginthisdirection.
Indicates which employee date equipment was inspected.
Operatingmachine atspecifiedvoltagewillresult
in longer machine life and better performance.
Identifies if machine is in remote mode, manual mode, or
off position. In manual mode this switch operates ma-
chine. In remote mode the hand pendant operates ma-
chine. Each time machine cycle starts, an audible alarm
warns the operator that the machine is about to come on.
Indicates that the electrical box on the ma-
chine is in compliance with UL codes.
Indicates that this outlet is intended for only the
wireless remote. Each time machine cycle
starts, an audible alarm warns the operator that
the machine is about to come on.
Specifies the voltage this outlet is rated for.
Indicates the input power of the machine.
Indicates that this outlet is intended for only the
remotecontroloutlet. Eachtime machine cycle
starts, an audible alarm warns the operator that
the machine is about to come on.
Reset button for motor.
KMC-01234
Part number for identification and tracking.
Indicates this unit has two power sources that
should be disconnected before servicing tore-
duce the risk of serious injury or death.

Rev. Date: 3/14/18 Page6
MODEL #500
RETURNED GOODS PROCEDURE:
When returning products to Krendl for repair, first obtain a return goods authorization, and you will be given
shipping instructions. The product must be shipped PREPAID:
Krendl Machine Company Telephone: [phone]
1201 Spencerville Rd Fax: [phone]
Delphos, Ohio 45833 U.S.A. E-mail: [email protected]
Web Site: www.krendlmachine.com
IF MACHINE WAS NOT PURCHASED DIRECTLY FROM KRENDL MACHINE COMPANY, CONTACT YOUR SUPPLIER.
Once unit is received, it will be inspected. In-warranty units will be repaired and returned immediately.
Estimates of repair charges will be provided for out-of-warranty units.

Rev. Date: 3/14/18 Page7
MODEL #500
WARRANTY:
Krendl Machine Company (Company) warrants to each original purchaser (Buyer) of its
machines that such products will be free of manufacturing defects for a period of 2 years from
the date of shipment to the Buyer. (This does not include accessories, pumps, blowers, wall
scrubbers, etc.)
No warranty is made with respect to:
1. Components or accessories manufactured and warranted by others. Warranties for
purchased component parts as supplied from vendor such as engine, electric motor,
blower,gearbox,transmission,etc.,iffurnishedbythemanufacturerofthecomponent,are
on file at the Company’s main office and copies will be furnished at request of Buyer.
Component(s),shippingcostsprepaid,shallbesenttoCompanywhointurnshallforward
to vendor for evaluation and warranty determination.
2. Anydefectcausedbyrepair,alterationand/oradjustmentperformedbyBuyerorcustomer/
vendor of Buyer without the express written authorization of the Company.
3. The labor costs of replacing parts by parties other than the Company.
4. Any machine that has not been operated and/or maintained in accordance with normal
industry practice and the written recommendations of the Company. (e.g. machine oper-
ated with an improperly sized, worn or damaged hose, improper or inattention to preven-
tativemaintenance, etc.)
5. The product has been subjected to misuse, negligence or accident or results of any
application or use of the blowing equipment not in accordance with the Company recom-
mendations.
This limited warranty does not cover the free replacement of component parts that become
inoperativedue to wear and usage and need to be replaced on a regular basis, including butnot
limitedto:airlockseal(s),agitator(s),shredder(s),auger(s),fuse(s),switch(es),clutch(es),hose(s),
shaft seal(s), chain(s), belt(s), sprocket(s), pulley(s), bearing(s), cable(s), battery(ies), filter(s),
fan(s),etc.
TheCompany’sobligationunderthiswarrantyislimitedtorepairingorreplacing(atCompany
option)anypartthatisdeterminedbytheCompanytobesufferingfromamanufacturingdefect.
The Company (at Company option) will provide any required parts and labor to the Buyer. If the
equipmentorpartsmustbereturned tothe Companyfor repair,all transportationcosts shallbe
the Buyer’s responsibility.
THIS LIMITED WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER GUARANTEES AND / OR
WARRANTIES, ORAL OR WRITTEN, EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITA-
TION, THE IMPLIED WARRANTY OF MERCHANTABILITY. NO WARRANTY, EXPRESS OR
IMPLIED, OTHER THAN THE AFORESAID WARRANTY IS MADE OR AUTHORIZED BY COM-
PANY. COMPANY SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES TO PROPERTY OR INJURY TO ANY PERSON OR COSTS ASSO-
CIATED WITH LOSS OF PRODUCTION RESULTING IN LOSS OF REVENUE, PROFITS OR LOSS
OF EQUIPMENT THROUGH THE USE OF THIS EQUIPMENT.
Note: Special job circumstances incurring costs for specialized repair and next day delivery
of parts will not be reimbursed by the manufacturer unless authorized by factory.

Rev. Date: 3/14/18 Page8
MODEL #500
ASSEMBLY
Prior to packing, your machine has been assembled and tested to assure quality performance. However, to
safeguard against damage in shipping, certain items are packaged separately within your carton and will need
assembly.
BLOWER DOOR: (See illustration A)
ThisunithasBlowerDoorandFilterinsidehopper. InstalltheBlowerDoorandFilteronmachineandsecurewith
FilterClips. (Blower Filter must remain in Blower Door.) An appropriate size hose isattached to the blower door
inputtube and theother end is located elsewhere to provide cleanair to blowers. Afine screen, actingas a filter,
over end of hose eliminates accumulation of unwanted debris. This eliminates frequent cleaning of the blower
filter. (Frequent inspection of input hose is recommended.)
POWER CORDS: (20-30 amp twist lock inputs only)
Female receptacle(s) need to be wired properly to main power cord(s). (For 240 volt 60 hz. see illustration F and
consult electrician for assistance.) Units shipped to European countries will have standard (2) two prong 230V
16ampplugssupplied. UnitsshippedoverseastootherthanEuropedonothaveplugs and receptaclesoninput
cords due to the varying electrical plug configurations in different countries, unless provided by Krendl agents or
suppliers.
ASSEMBLY OF OPTIONS: (See illustration B) Options below are available on the model #500 machine.
5" Wheel Package: (standard or heavy duty)
Attachtwoswivelcastersonairlockendofmachineforincreasedmobility. Mountrigidcastersoncontrolend
with the hex bolts provided.
Bushing Reducer: (2 1/2" output)
Bushing reducer inserts into output tube of airlock. Press reducer firmly against shoulder and tighten two
hold-down bolts to secure unit in place. The bushing reduces the size of opening to hose at its source,
providing a more consistent feed while preventing hose plugs. (Standard output tube on model #500 is
3".)
HopperExtension:
If Hopper Extension is not shipped mounted on machine, place
Hopper Extension on top of machine.
(illustrationA) (illustration B)

Rev. Date: 3/14/18 Page9
MODEL #500
BASIC COMPONENTS
Thisisaviewofthebasiccomponentsofyourmachine. Itshowsthelocationofeachitemandgivesthe
functionofeach. Usethisasaguidethroughoutthemanual.
(illustrationC)
A) BASE UNIT—Lower frame unit supporting
blower box, speed reducer, motor, airlock
andhopper.
B) AIRLOCK—Traps air and fiber while pro-
vidingameteredflow.
C) SLIDEGATE—Meters the amount of fiber
droppingintotheairlockbycontrollingsizeof
airlockopening.
D) SPEED REDUCER—Increases output
power while decreasing speed of agitator/
airlockdrivemotor.
E) BLOWERBOX—Enclosureprotectinghigh-
pressureblowersfromcontamination.
F) MOTOR—Providesdrivingpowerforspeed
reducerandagitator/airlocksystem.
G) AGITATOR—Conditions fiber in the hop-
per.
H) HOPPER—Upper unit of machine holding
fiber.
I) MAIN CONTROL PANEL—Connectswith
main power, allowing operation of unit at
machineor Remote Cord.
J) REMOTE CORD HANGER—Storage for
remotecontrolcord.
K) KILL SWITCH—Safety device for immedi-
atestoppingofmachine.
(illustrationD)
L) SHREDDER SYSTEM (optional)—
Increases production and coverage on all
fiber products while reducing clumps that
mayexistinvariousfibers.
M) HOPPER EXTENSION (optional)—
Increasesoverallhoppercapacity. (illustrationD)
(illustrationC)

Rev. Date: 3/14/18 Page10
MODEL #500
THEORY OF OPERATION
This unit is designed to accept all fiber materials into the
hopper area of the machine, passing through a multistep
agitation system and dropping into the rotating airlock
feeder. The airlock feeder has a crankgate control providing
precision feeding of fiber for open blowing, sidewall blowing,
and spray-on applications. Fiber is then rotated to a 6:00
o'clockpositionwhereairfromtheblower motorpushesfiber
from the rotating chambers through the hose. Material and
air is prevented from escaping into the machine while in the
airlock by six rubber seals which conform to the airlock inner
wall as the chambers revolve. The blower motor is either a
two or three stage, high r.p.m. unit with low amperage
designed to blow air. (Fiber does not pass through the
blower fan chamber.) The high pressure and adjustable
volume provides low amperage, low noise, and minimal attic
dust. This reduces hose plugging problems and gives
longer blower life.
Note: All Fiber/airlock machines provide slightly less cover-
age than thru-blower machines. Airlock machines cannot
duplicate the high speed (13,000 r.p.m.) conditioning effect
of fiber passing through the blower. These units blow the
fiber closer to settled density which eliminates the need for
overblowingmaterialtocompensateforprogressive settling.
OPERATING INSTRUCTIONS: MODEL #500
Machine Hook-up
Thisunit comes readyforconnection to insulationhose,power cords, andaccessories.
This unit provides a direct connection to 3" insulation hose. Slide hose on to outlet and secure with a
hoseclamp. All hoseconnectionsmust havehoseclampstoprevent airleakagefromblowertonozzle.
Thishelpstopreventhose plugging.
Removeremotecontrolcord, blower door,packet,accessories,ect. from hopper andplugremotecontrol
cordinto Main Control Panel locatedonhopper.(SeeillustrationE)
Thefirstbagofinsulationinto hopper should bewell brokenby handto assistagitator action. Caution:
Hopperbarsmust be inplacewhileloadinghopper. Never puthandsbelow bars or forcefeed fiberby
pushingdownon insulation.
Whenassemblingunit,makesureremotecontrolhandpendantswitchisintheoff(middle)positionand
closeslidegate.
1. Connectpower toInputCord(s) located belowMainControl Panel.(SeeillustrationE)
Ondouble input units,both input cordsmustbe supplied withpower from twoseparate sources for
unit to work properly. When using extension power cords, wire gauge size should not be less than

Rev. Date: 3/14/18 Page11
MODEL #500
input cord on unit and not to exceed 50' in length. (See Voltage Drop Chart Below.) Caution:
Operatingunit with lessthan requiredvoltage or inadequategenerator size willresult indamage to
electricalcomponents. Thismachineis marked with thecorrectinputvoltageon input cordslocated
on bottom of the Main Control Panel.
Note: Agitator motor and blower(s) should only be operated
with steady or constant flow of electricity.
Do not operate machine with less than required voltage.
Damageto motors and otherelectricalpartswillresult. CheckvoltmeteronMainControlPanelwhen
machineisrunning.
Ex:A two-wire 20-ampere circuit using 12 AWG with a one-way distance of 25 feet will drop 1.98 volts;
120 volts - 1.98 volts = 118.02 volts as the load voltage.
230 volts - 1.98 volts = 228.02 volts as the load voltage.
240 volts - 1.98 volts = 238.02 volts as the load voltage.
2. For 240volt, 60hz. models only, properly connect female receptacle to extension cord. See
illustrationFand consult electricianforassistance.

Rev. Date: 3/14/18 Page12
MODEL #500
(illustrationE)
(illustrationF)
Electrical Hook-up for 240volt, 60hz.
IMPORTANT NOTE FOR 3-WIRE CORD:
Aseparate isolated ground is required that connects the frame of themachine to an earthground
source. Serious injury or death may result if machine is not properly grounded. If you have any
further questions, consult a qualified electrician.
Machine Hook-up (cont.)

Rev. Date: 3/14/18 Page13
MODEL #500
Electrical Operation
PRESS KILL SWITCH TO IMMEDIATELY STOPMACHINE ATANY TIME!
1. Make sure Kill Switch is out by pulling. (See illustration G)
2. Turn red Main Disconnect Switch to ON position. (See illustration G)
3. Set 4-Position Selector Switch to OFF. (See illustration G)
4. PressgreenstartButton. Machine will not run unless start button is pressed after Kill Switch is out andred Main
Disconnect Switch is on. (SeeillustrationG)
5. Selectoperatingmodeon 4-Position Selector Switch from one of thefollowingoptions:
Remote: Remotecontrolhandpendantwillcontrol machine.
Off: Machinewillnotrun. (overridesremotehandpendant)
Blower: Onlytheblowerwillruncontinuously.(manualcontrolatmachine)
Agitator-Feed/Blower: Boththeblowerandtheagitator-feed will run continuously.(manualcontrolatmachine)
Main Control Panel (lid closed)
6. When operating in Remote mode, the 4-Position Selector Switch must be set to Remote position. (See illustration G)
7. Remotecontrolhand pendant positions will be selectedfromthefollowing:
BLOWER-FEED - operates both blower motor and agitator-feed motor simultaneously
OFF - (middle position) all functions stop
BLOWER - operates the blower motor only
8. If using optional Internal Wetting System (IWS), connect IWS cord to 24 VAC Outlet on Main Control Panel.
9. Adjustblower(s)andslidegate to desired settings. (See page 14)
Main Control Panel (lid open)
(illustrationI)
10. To adjust alarm time, follow the procedure below: (See illustration I)
a) Unplugmachinefrompower source.
b) Turnoffred Main Disconnect Switch,loosentwoscrewsindoor,
andopenMainControlPanellid.
c) TurnTimerRelay knobtodesiredsetting. (clockwisetoincrease
warningtime)
d) Closelid,tightentwo screwsindoor, pluginmachine,turn onred
Main Disconnect Switch and press green Start Button.
e) Retestmachine.
(illustrationH)
(illustrationG)

Rev. Date: 3/14/18 Page14
MODEL #500
Mechanical Settings
Thecontrolendofyourmachinecontainsblowerandslidegatecontrolstoadjustyourmachineforeachapplicationandtype
of fiber. (See illustration J) Blower control (air) and slidegate (material feed) are adjusted according to:
APPLICATION: Openblow,retro-sidewallandspray-onapplicationsrequirevaryingamountsofcontrol.
TYPEOFMATERIAL: Cellulose,fiberglass,andmineralfiberhavedifferenttexturesanddensitiesthatrespondto
machine settings.
HOSE: Corrugationsorroughnessofinteriorsurface,diameter,lengthandelevationofhosewillalso
requirevaryingadjustments.
WEATHERCONDITIONS: Temperature and humidity may require day todayadjustmentofmachinesettings.
Control End of Machine
(illustrationJ)
GENERALBLOWER/SLIDEGATESETTINGS:
Since specific settings need to be determined by each operator, the
followingareonlysuggestedguidelines. Consultthefibermanufacturer
foradditionalrecommendations specifictotheir product.
APPLICATION BLOWERCONTROL SLIDEGATE
OpenBlow High FullOpen
Sidewall-Retrofit High HalfOpen
WallCavitySpray Medium HalfOpen
CommercialSpray(Adhesive) High One-thirdOpen
BLOWERCONTROLANDSLIDEGATEGENERALSETTINGS:
Blower control can increase or decrease the amount of air in the
system,affectingthevelocity(speed)andspreadrate(coverage)of
fiber. (SeeillustrationJ) Theblowercontroldialoperatesclockwise,
fromHIGHtoLOW, controllingairpressureandamount ofair.
Openingorclosingslidegate(materialfeed)controlstheamountof
fiberdroppingintotheairlockwhichchangestheproductionrate(lbs.
per hour). (See illustration J) For calibration purposes the scale
located on right side of machine indicates how many inches the
airlockslidegate is opened.
The blower and slidegate controls working together affect the
distancefibercanbeblownthroughahosewithoutplugging. These
controls also affect the accurate blowing of fibers for spraying
applications.
Thesesettingscontrolthefollowing:
•Densityoffiberblowninretro-sidewallapplication.
•Velocity of material impact when spraying.
•Dustonopenblow.
• Materialspreadrateorcoverage.
•Productionrate(lbs.perhourblown).
GENERALBLOWER CONTROLAND
SLIDEGATESETTINGSFOROPEN BLOW:
(SeeillustrationJ)
Withtheslidegate closed,turnagitator-feed mo-
tor on andvariablespeedblower control(s) onlow.
Fill hopper with insulation and adjust blower con-
trol and slidegate. In making adjustments, move
controlsproportionaltoeachother. (i.e.Ifvariable
speed blower control is half speed, slidegate
shouldbehalfopen.) Openslidegateto allow fiber
to drop into the airlock providing good production,
but not beyond point where hose plugs. As hose
length is increased, the blower control speed is
increased while closing the slidegate proportion-
ally. This will increase the distance fiber can be
blownthroughthehoseandimprovematerialcover-
age rate, while decreasing the blowing production
rate (lbs. per hour blown). These adjustments are
for open blow. If specialty application or retro
sidewall work is done, refer to General Blower/
SlidegateSettingschart(belowleft)orfibermanu-
facturer.

Rev. Date: 3/14/18 Page15
MODEL #500
Mechanical Settings (cont.)
OPTIONALSHREDDER ASSEMBLY:
Ifthisunitissuppliedwith a shredder assembly;airlock/agitatorspeedsarepresetatthe factory. No further sprocket setting
speedsareneeded,as this systemwillaccommodatemostfibers and applications. However,theshredderdirectioncan be
adjustedasdescribedbelow.
SHREDDERADJUSTMENT:
(illustrationK) (illustrationL)
GENERAL MAINTENANCE
Periodicpreventivemaintenancewilladdyearsoflifetoyourequipment. Reviewing the information in this manual will go a
longwayinreducing downtimeandlostincome. To Flip hopper up for easymaintenanceoflower base unit:(Seeillustration
M)Removesidescreen guardofmachine. Loosenidler sprocketandremovedrivechain. Release holddownboltsat airlock
end of machine and lift hopper back gently until it rests safely on the floor.
KEEP CLEAN: During operation, keep material from accumulating on Blower Filter. Always keep Filter in place while
operatingmachine. Aftereachuse,removefiber from hopper andblowouthose. (UseBLOWERmodeatMainControl
Panel or Hand Pendant.) Clean air from insulation hose can then be used to blow fiber from agitator motor and Blower
Filterarea. TheBlowerDoorattachedtothisunitreducesfiltermaintenance.
Unidirectional Rotation (Seeil-
lustration K) is preferred as an
all-aroundsettingforacombina-
tionofmaterialsandapplications.
Thissettingprovidesforthegreat-
est coverage and best control
of the fibers in wall cavity spray,
commercial spray, internal wet-
ting (stabilized) and open blow
applications.
Center-Down Rotation
(See illustration L) force
feeds the fiber into the
airlock at a faster rate.
This direction is preferred
for the greatest produc-
tion ofvariousfibersinan
openatticblow application
althoughcoveragemayde-
crease.
AIRLOCK:
SEALREPLACEMENT: Thepurposeoftheairlocksealisto trap air and fiber until
it rotates 180Oto the 6:00 o'clock position. At this point, fiber is pushed by air from
the blower, out of the chamber. Worn or damaged seals allow air and fiber to
escape back into hopper, thus reducing production and coverage. When it is
necessary to replace seals, follow these directions:
Airlock rotor plates that are damaged (bent) will need replaced. (Refer to Rotor
Plate Replacement on next page.) Take out rubber seal by removing six plate
fastening bolts and top plate. The base plate will remain attached to airlock shaft.
To install a new seal, reverse procedure. Seal should be inserted tight against the
backbaseplate,pressingthelowertabsofsealdownundertheadjacentsealwith
aflatbladescrewdriver. (SeeillustrationN-1) Makesureallboltholesarealigned
whileeachsideofsealisequallypressedagainsttheendplates,beforetightening
bolts. Sealshouldbebent backwards for counterclockwise rotation,viewingfrom
drivesideofmachine. (illustrationM)

Rev. Date: 3/14/18 Page16
MODEL #500
General Maintenance (cont.)
ROTORPLATEREPLACEMENT:
1.To check plates for proper angle, measure distance between outer edge of metal plates. (See illustration N-1) This
measurement should be 4 3/4". Measure all six plates and replace as needed.
2.Remove damaged baseplate assembly from shaft using ratchet drive wrench with extension and 1/2" socket.
3.Check seal for wear and damage. (Installing seal and top plate on the bench is quick and easy). Remove bolts from
plate assembly and replace with new seal. Make sure seal and top plate are assembled on correct side of base plate
before assembling in airlock. Seal should press backward towards top plate when installed correctly into airlock
chamber. (See illustration N-1)
4.Install the rotor plate assembly into the airlock. The airlock runs counterclockwise viewing it from the sprocket drive
shaft. (See illustration O) Align the base plate with holes on airlock shaft using a tapered punch. Caution: Do not
mount rotor plate backwards. If installed improperly, damage to seals will result and put undue stress on agitator motor.
This causes overheating and poor production. Seal should be bent backward to allow for a counterclockwise rotation
ofrotor.
5.As rotor plate is installed, press bottom tab of seal under adjacent seal with flat blade screwdriver. (See illustration N-1)
(illustrationN-2) (Entirerotorplateassemblymayberemovedandreplaced.This
proceduremaybeeasierthanreplacing just the seals.)
(illustrationO)
CHAIN: (#40NickelPlated)
ADJUSTMENT: Asmoothoperatingchain driveshouldhavea slightsagontheidler sideofthechain. Newchainsshould be
installedunderslighttension astheywillelongate asmallamountdue toseatingofpins andbushingsduringthefirst fewdays
ofoperation. Excessivechaintensionor loose chain willcauseshortenedlifeofbearings, chain andsprocket. Chainshould
be kept in good condition by proper lubrication (dry film lubricant Dow 321) and occasional cleaning. Soaking chain in
containerof10weightoilwillprovideforinternal lubrication of pins and bushings. However, excessoilmustbedrainedand
wipedawayasexcessive lubricationwillcausefiber accumulationonchain. Wornoutchain shouldbereplaced. Whenchain
isreplaced,wornsprocketsshouldalsobereplaced, preventing further damage to new chain.
(illustrationN-1)

Rev. Date: 3/14/18 Page17
MODEL #500
General Maintenance (cont.)
SPROCKETS:
CHECKSPROCKETSFORWEAR. Misalignment and/orloosesprocketsandimproper chaintensioncausesthepremature
wear of chain and sprockets. All sprockets, except speed reducer and idler sprockets, have been secured with a medium
gradeLoctite(generalpurpose threadlocker),topreventgradual movement. Thesetscrewsand key arealsoinsertedwith a
medium grade Loctite. If sprocket is difficult to remove, it may be heated with a propane torch to loosen.
Caution: Do not overheat sprocket or damage to bearing will result. A pulley or bearing puller can then be used to
remove the sprocket and key. Replace new sprocket on shaft with key and medium grade Loctite applied to shaft.
Align sprocket with corresponding sprocket, using a straightedge placed along face of teeth and tighten set screw.
BEARINGS:
AGITATORBEARINGSin hopperareprelubricated,double-sealed, selfaligningballbearings. No lubrication isnecessary. If
bearingsproducenoiseorheat(too-hot-to-touch),thebearingsshouldbe replaced.
AGITATOR BEARING REPLACEMENT: Spray area with rust penetrant (WD-40). Remove sprocket (See SPROCKET
sectionabove).Remove thetwoboltsfrom bearingflangeandouter flangefrombearinginsert. Loosen setscrewson bearing
hubateachendofagitator shaft. Since all setscrewsareinstalledwitha medium grade Locktite,apropanehandtorchmay
beusedtoassist in removingthem. Donotoverheatunit, causing shafttoexpand. Usinga rubber mallet,driveagitatorshaft
aninchinonedirection, creating aspacebetweenhopperandbearing unit. A bearing pullercanthenbeused to remove the
bearing. Eliminateanymetalburrsfromshaftwithfileandinstallnew bearings with felt seals. Use a mediumgradeLoctite
onsetscrews beforesecuringbearingtoshaft.(Checkshaftdiameterbeforeorderingbearings;3/4"or1")
AIRLOCKANDSHREDDERBEARINGS areprelubricated,doublesealed, selfaligningballbearings. Lubricationisrequired
at three month intervals of normal running time, or sooner if bearings produce a noise or become too-hot-to-touch.
Relubricationatthegreasefittingsisdone with a lithium basegreaseconformingtoaNLGIGRADETWO consistency. The
greaseshouldbepumpedin slowly untilaslightbeadformsaround the seals. Thisbead,inadditiontoacting as anindicator
ofadequatelubrication, providesadditionalprotectionagainst theentryofforeign matter. Important: Ifaslightbead does not
form,indicatingafailureoflubrication,or if bearing shows signs ofwear,replacebearing.
AIRLOCK AND SHREDDER BEARING REPLACEMENT: Remove four bolts from airlock bearing flange (two bolts from
shredderbearingflange)and followstepsabovefor agitatorbearingreplacement.
SPEEDREDUCER:
Periodicallycheckoillevelinreducer. Donotlaymachineonitssideaslubricantwilldrainfromventplug. Ifspeedreducer
malfunctions because of improper oil level or type used, warranty is voided. Oil seals at input and output drives are
consideredtobe replaceablemaintenanceitemsandcanaffectoil level. Theseareavailableatpowertransmissionsuppliers.
LUBRICATION: Thisspeedreducerwasfilledwith oil at thefactorytooperatewithin+30OFto +125OF ambient temperature.
After 1500 hours of operation, drain and refill with Klubersynth UH1 6-460 gear oil. If Klubersynth UH1 6-460 gear oil is not
available,usemultipurpose gearoilSAE#90forambienttemperaturesfrom+40OFto+120OF. Fortemperaturesbelow+40OF
use SAE #80 multipurpose gear oil. Correct oil level for mounted unit is just below pipe plug (C on illustration P) in side
position.
LUBRICANTREPLACEMENT:(SeeillustrationP)
1. Drain: Withoutputshaftofspeedreducerfacingyou,removeplug
(A)lowerfrontwith1/4"hexkeywrench. Allowunittocompletely
drainandreplaceplug.
2. Removeventplug(B)ontopofreducer,andplug(C)onleftside.
3. Fill with recommended lubricant (use Mobilgear 630 gear oil)
throughventplug(B)opening, usingaflexiblefunnel,untillubricant
exitstheleftsideopening(C). (Makesurespeedreducerislevel
whenreplacinglubricant.)
4. Replaceventplug(B)andleftplug(C).
(illustrationP)