User's Manual
Repair
Remove Remove
Remove
the the
the
Hose Hose
Hose
1.SeeFig5,page11.Removethescrewsholding
themotorfancover(FC).Turnthefanbyhand
untiltheroller(102)stopsatthebottomofthe
pumphousing(1)inthe6o’clockposition.
NOTE: NOTE:
NOTE:
LowRPMpumpsandhighratio
gearboxesmayrequiremanyturnsofthemotor
fantomovetherollertothe6o’clockposition.
2.Removethefourscrews(21)fromeachbarb
clamp(20)ontheinletandoutletportsofthe
pumpandliftofftheclamps.
3.
On EP4 Pumps only:
Removethetophalfofthe
barbedttingpositioningwasherandkeepfor
reuse.Thebottomhalfofthewasheriswelded
inplaceandcannotberemoved.
4.Ifpossible,ensurethatthehoseclamps(104)
arepositionedwiththeclampportionatthetop.
Cutthroughtheclampwithahacksaworrotary
tool.Becarefulnottodamagethehose(103)or
thepumphousing(1).
Figure2CuttheClamp
5.Usingascrewdriver,removetheclamp,then
removetheband.
Figure3RemovetheClamp
6.Thehoseassemblyisseatedrmlyinthepump
housing(1).Placeasmooth,smalldiameter
metalrodintothebarbedttings(105)andlift
thehoseassemblytofreeit.Pullthehoseso
itextendsabout2–3in.(51–76mm)outofthe
pump.
7.Removeonebarbedtting(105)fromthehose
(103).
8.Graspthehose(103)fromtheinsideofthepump
housing(1)andpullitintothehousing.The
centerofthehosewillstillbeheldbytherollerin
the6o’clockposition.
9.Removethesecondbarbassemblyasdescribed
above.
10.Turnthemotorbyhanduntiltheroller(102)isnot
compressingthehose(103).Thiswillbenear
the9o’clockor3o’clockposition.
Figure4Rollerin3O’ClockPosition
11.Pulltheotherendofthehoseintothepump
housing(1).
12.Removeandsafelydiscardtheusedhose,per
yourfacility’swastedisposalpolicy.
3A1939G 9