Master MVP-150XL Repair Parts

Repair
Center Center
Center
Section Section
Section
Repair Repair
Repair
Disassemble Disassemble
Disassemble
the the
the
Center Center
Center
Section Section
Section
Seetheillustrationsonpage18.
1.FollowthePressureReliefProcedure,page7.
Removepowerfromthemotor.Disconnectall
hoses.
2.Removethemanifolds.
3.Removethecoversanddiaphragmsasdirected
inDisassembletheDiaphragms,page9.
TIP: TIP:
TIP:
Removepumpfromstandandsecure
gearboxtobench.Leavethepumpconnected
tothemotor.
4.Removethedriveshaft:
a.Usea10mm(M8)hexwrenchtoremove
4bolts(117).Pullthepumpoffofthe
alignmenthousing(116).
TIP: TIP:
TIP:
Itmaybenecessarytotapthepumpwith
arubbermallettodisengagethecoupler.
b.RemoveCO
2
inlet󰘰ttings.Usea30mm
socketwrenchtoremovethebearingbolt
(106)andtheo-ring(108).
c.Turntheshaftsothegrooveontheshaftis
inlinewiththealignmentmarkingsonthe
centersection.
d.Usea3/4–16bolttopushoutthedrive
shaftassembly(112).Youcanalsousethe
bearingbolt(106),butremovethebearing
(107)󰘰rst.Besurethatthegrooveonthe
driveshaftremainsalignedwiththemarkings
inthecentersection.
NOTICE NOTICE
NOTICE
Properalignmentisessential.Donot
applymorethanabout10in-lb(1.1N•m)
oftorque.Excessivetorquecouldstrip
thehousingthread.Ifyouencounter
resistance,checkalignmentorcontact
yourdistributor.
e.Theshaftcoupler(113)mightcomeoutwith
thedriveshaftassembly.Ifnot,reachinto
thealignmenthousing(116)andremovethe
shaftcoupler(113).
f.Removethesealcartridge,o-ring(109)and
theradialseal(111)witho-ring(111a)from
thedriveshaftassembly.
5.Slidethepistonassembly(102)outofthecenter.
3A7034A
11

Master MVP-150XL Specifications

General

Brand	Master
Model	MVP-150XL
Category	Water Pump
Language	English