Alemite 7531-4 Istruzioni operative
DESCRIPTION
UtilitypumpModels7531-4and7531-A4areofthe
hand-operated,lever-actiontype.
Model 7531-4 is designed to accommodate a 35 lb.
bucket.Model 7531-A4 operatesfrom a 20kg
container. See Figure 1.
Applicationof these units eliminateshand and paddle
fillingmethods,thuskeepinglubricantcleanandfree
ofanycontaminationwhenbeingapplied.
Thehigh-pressurepumpprovidesamplepressureto
lubricateclose-fittedbearings.Lubricantdeliveryisone
ounce(28.4 gms)perfivestrokes. Thedynamicprimer
aids priming in cold weather and enables the pump to
handleheaviergreasesmorereadily.Allpressuregun
lubricantscanbeused.Thefollowerplatepreventsany
channelingoflubricant.
Each unit is equipped with a cover, follower plate, six
foot(1.8m)lubricanthose,andhydrauliccoupler.The
couplerprovides a quick, leak-proofcontactwiththe
hydraulicfittingand allows awidesealing angle
connection.
SPECIFICATIONS
PumpDelivery .............. 1 oz. (28.4 gms) per 5 strokes
PressureDeveloped ................... 3500psi (241.4Bar)
Finish........................................Maroonbakedenamel
coverwithother parts bright zinc
ASSEMBLY
Toassembleeithermodelpump, proceedasfollows
using Figures 2, 3 and 4:
1.Placepump mechanism into cover 337729 and
secure with cap screws 77787 and hex nuts 77650.
2. Align link 328253-1 with holes in stud 338389 and
securewithpin339961-1andtworetainingrings
171606.
3.Align lever 314552 with pinhole in piston rod and
securewithnut77650,screw170699,and
lockwashers77002.
TM
SERVICE INSTRUCTIONS
High Pressure Utility Pump 7531-4
7531-A4
4.Alignlink328253-1 and handle 318414withholein
lever314552andfastenwithpin339961-3andtwo
retainingrings171606.
INSTALLATION
To install pump, use Figures 2, 3, and 4 as reference
andproceedasfollows:
1.Placefollowerplate337665or328238-A4on
lubricantsurface in lubricant pail andpress down until
lubricantisforcedintocenteropeningoffollower.This
willremove any airpockets.
2.Insertpumptube through the centeropeningofthe
followerplate.SecurewithJ-bolts317102andwing
nuts170837intobracketsoncover337729whencover
is seated on pail.
3.Screw five-foot(1.5m)lubricanthose withhydraulic
couplerinto3/8"lubricant-outletcheckvalve317210.
▼
3/8" NPTF (f) Outlet
670723 7531-4(12-03)
ledoMpmuPreniatnoC htgneLebuT
sehcnImC
4-1357bl53"8/3-214.13
4A-1357gK02"61/31-512.04
Figure 1 Pump Models 7531-4 and 7531-A4
AlemiteCorporation
www.alemite.com
167RowelandDrive,JohnsonCity,Tennessee37601
SER 7531-4
page2 pagerevised12-03
OPERATION
Tooperate pump,proceed as follows using Figure 2:
1.Connecthydrauliccoupler308730-Awithlubricant
hoseassembly317853-5to fitting.
CAUTION:Donotpointdispensingdeviceatoneself
orany otherperson;accidentaldischargeof pressure
will result in serious injury.
2.Work lever 314552upand down untilfluid emits
fromhydrauliccouplerandlubricatesfitting.
MAINTENANCE
Dothefollowingperiodically:
1.Check for sufficientlubricant in container.
2. Inspect lubricant hose and coupler assembly.
3. Wipe hydraulic coupler clean of any lubricant after
everyuse.
4.Flushpumpcleanwithappropriatesolventto
dislodgeanyforeign material orexcesslubricant.
DISASSEMBLY
Ifpumpfailstodeliverlubricantorfunctionproperly
proceedin following sequence using Figures 2, 3 and
4.
NOTE:Partnumbersinparenthesesdesignatemodel
7531-A4.
1.UnthreadthreeJ-bolts317102andwingnuts
170837fromcoverassembly337729.
2.Unthreadnut77650,screw170699,lockwashers
79272,andremovelever314552frompumpassembly.
3.Unthreadtubeassembly317206-5(317206-6)from
bodyassembly328233andremovegasket53776.
4.Unthreadnut45569andcup317201fromrod
317202.Unthreadrodfromplunger317204-5(317204-
6).
5.Removeplunger317204-5(317204-6)andstopbar
317205-5(317205-6).
6.Unthreadbushing328236frombodyassembly
328233andremoveback-upring171017-12,“O”ring
171000-12andgasket328237.
7.Cleanparts and inspect fordamageor wear.
8.Replaceanywornordamagedparts.
IMPORTANT:Damagedorwornpartsareapotential
dangertopersonandproperty.Donotreusedamaged
orwornparts.
REASSEMBLY
Observethefollowingnotes,thenreassembleunitby
reversingdisassemblysteps1through6.
NOTE: ApplyLoctite No.222 on mating threads
betweenrod317202andplunger317204-5
(317204-6).AllowLoctitetocure1-2hoursbefore
furtherhandlingassembly.
Using SAE No. 10 motor oil, lubricate “O” ring 171000-
12andvalve317203beforereassembly.
SER 7531-4
pagerevised12-03 page3
Figure 2 Components of Models 7531-4 and 7531-A4 H.P. Utility Pump
▼▼
▼
▼
▼
▼
▼
▼
▼▼
▼
▼
318414
328253-1
171606 (2)
339961-1
171606 (2)
339961-3
(3) 170837
(3) 317102
337729
High-Pressure
Pump Mechanism
(Figure 4)
77650
77787
3/8" NPTF
(Lubricant Outlet)
314552
332748 (early
models)
338334 (later
models)
79272 (2)
77650
170699
NOTE: All parts shipped loose except handle grip is on the lever.
Figure 3 Model 322434 Hose and Coupler Assembly
▼
308730-A
▼
317853-5
▼
3/8" NPTF
▼
337665 (later models)
328238-A4 (early models)
SER 7531-4
page4 pagerevised12-03
Figure 4: Components of High-Pressure Pump Assembly
▼
317210
▼
3/8" NPTF
328233
SIDE VIEW
▼▼
▼
▼▼▼
▼▼▼▼▼▼▼
▼
▼▼
●171017-12
●■171000-12
338389
●53776
317206-5 (Model 7531-4)
317206-6 (Model 7531-A4)
317209
●317202
●45569 317201 ●
317203 ●
Apply Loctite
No. 242
328236
328237 ●
328233
■Lubricate With SAE #10
Motor Oil Before Assembling
●Included in Major Repair Kit
394260
317205-5 (Model 7531-4)
317205-6 (Model 7531-A4)
317204-5 (Model 7531-4)
317204-6 (Model 7531-A4)
pagerevised12-03 page5
SER 7531-4
Major Repair Kit
394260 High-Pressure Pump Mechanism Kit for Models 7531-4 and 7531-A4 (Figure 4)
Part No. Description Qty.
45569 .............. Hex Nut, 10-32 ............................................................................................. 1
53776 .............. Aluminum Gasket, 49/64" I.D. x 15/16" O.D................................................. 1
171000-12 ....... “O” Ring, 5/8" I.D. x 13/16" O.D. .................................................................. 1
171017-12 ....... Back-up Ring, 13/16" O.D. ........................................................................... 1
317201 ............ Cup .............................................................................................................. 1
317202 ............ Rod .............................................................................................................. 1
317203 ............ Valve ............................................................................................................ 1
328237 ............ Aluminum Gasket, 1/2" I.D. x 15/16" O.D..................................................... 1
PARTS LIST - High-Pressure Utility Pump for Models 7531-4 and 7531-A4 (Figure 2)
Part No. Description Qty.
77650............... Hex Nut,1/4-20.............................................................................................. 4
77787............... Hex-HeadCapScrew,1/4-20x5/8"............................................................... 3
✚79272............... Lockwasher,External-Tooth,1/4" .................................................................. 2
✚170699............. Screw(Special),1/4-20UNC ......................................................................... 1
170837 ............. WingNut,1/4-20............................................................................................ 3
✚171606............. RetainingRing ............................................................................................... 4
✚314552............. Lever ..............................................................................................................1
317102 ............. “J”Bolt ...........................................................................................................3
318414 ............. Handle ........................................................................................................... 1
❋322434 ............. HoseandCouplerAssembly.......................................................................... 1
328238-A4 ....... Follower-PlateAssembly(earlymodels) ........................................................ 1
✚328253-1 .......... Link,4-1/8" long ............................................................................................. 1
332748 ............. HandleGrip(coppertone) ............................................................................... 1
✚337729 ............. Cover ............................................................................................................. 1
337665 ............. Follower-PlateAssembly(latermodels) ......................................................... 1
✚338334 ............. HandleGrip(maroon) ..................................................................................... 1
339961-1 ......... Pin ................................................................................................................. 1
339961-3 ......... Pin ................................................................................................................. 1
❋ ✚ ............ High-PressurePumpMechanism................................................................... 1
❋See separate parts list
✚Notavailableasaseparatepurchasedpart
page6 pagerevised12-03
SER 7531-4
PARTS LIST - Model 322434 Hose and Coupler Assembly for Models 7531-4 and 7531-A4 (Figure 3)
Part No. Description Qty.
317853-5 ......... Hose Assembly (5 feet long) .........................................................................1
308730-A......... Hydraulic Coupler..........................................................................................1
PARTS LIST - High-Pressure Pump Mechanism for Models 7531-4 and 7531-A4 (Figure 4)
Part No. Description Qty.
●45569 .............. Hex Nut, 10-32 ..............................................................................................1
●53776 .............. Aluminum Gasket, 49/64" I.D. x 15/16" O.D..................................................1
●171000-12 ....... “O” Ring, 5/8" I.D. x 13/16" O.D. ...................................................................1
●171017-12 ....... Back-up Ring, 13/16" O.D. ............................................................................1
●317201 ............ Cup ...............................................................................................................1
●317202 ............ Rod ...............................................................................................................1
●317203 ............ Valve .............................................................................................................1
317204-5 ......... Plunger, 11-9/16" long (7531-4) ...................................................................1
✚317204-6......... Plunger, 15" long (7531-A4).........................................................................1
317205-5 ......... Stop Bar, 10-5/16" long (7531-4) ..................................................................1
✚317205-6......... Stop Bar, 13-3/4" long (7531-A4) ..................................................................1
317206-5 ......... Tube Assembly, 12-3/8" long (7531-4)..........................................................1
✚317206-6......... Tube Assembly, 15-13/16" long (7531-A4) ...................................................1
317209 ............ Sleeve ...........................................................................................................1
317210 ............ Check-Valve Assembly .................................................................................1
✚328233............ High-Pressure Body Assembly .....................................................................1
✚328236............ Bushing .........................................................................................................1
●328237 ............ Aluminum Gasket, 1/2" I.D. x 15/16" O.D......................................................1
✚338389............ Stud, 1-3/8" long ...........................................................................................1
●Repair Kit Part
✚Not available as a separate purchased part
NOTE: The parts listed in this instruction sheet are for reference identification in the instructions and
illustrations. Some of them are not available as separate parts and these are noted in the parts list. Standard
items such as nuts, bolts, etc. should be purchased at a hardware store. Refer to the current parts price list and
bulletinsbeforeorderingparts,andalwaysgive thepartnumber,quantity,descriptionandmodelwhereused
whenordering parts.Parts availability and prices aresubject to change without notice.
PARTSCHANGESSINCELASTPRINTING
AddedPin339961-1and339961-3
AddedRetainingRing171606
Questo manuale è adatto per i seguenti modelli
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