
AirCylinderRepair
Reassemble Reassemble
ReassembleAir Air
AirCylinder Cylinder
CylinderCap Cap
Capand and
and
Unloader Unloader
Unloader
NOTE: NOTE:
NOTE:Aftero-ringsareinsertedintotheirgrooves,
lightlygreasetheexposedo-ringsurfaceswith
food-safegreasetoaidassemblywithmatingparts.
1.Assemblethepistonassembly:
a.Onpiston(10),installinnerpacking(11)and
outerpacking(12).
b.Installpistonsleeve(13)ontopiston(10).
c.Installretainer(14)onpiston.
d.Installo-ring(8)onpistonsleeve(13).
2.Mountpistonassemblyonpistonrod:
NOTE: NOTE:
NOTE:Theo-ringinsidethepistoncanbe
damagedwhenpassingbytheretainergroove.
Gentlyrotatingthepistonasitpassestheretainer
groovecanlowerthechanceoftheo-ringbeing
trappedinthegroove.
a.Onpistonrod(2),installretainer(9)inthe
secondgroovefromthebottomofthepiston
rod.
b.Installthespacer(15)onpistonrod.
c.Installpistonassembly,largestdiameterside
rst,onpistonrod.Positionagainstretainer
inpistonrod.
d.Installretainerintolowerpistonrodgroove,
trappingthepistononthepistonrod.
3.Fromthethreadedendofthepistonrod,install
thespacer(15).
4.Assemblethecapassembly:
a.Installinnero-ring(7)andoutero-ring(8)on
thecap(3).
b.Installo-ring(6)inbushing(4).
c.Fromthesideofthecapwiththeboltange,
insertbushingintocap.
d.Fromthesmallerdiametersideofthecap,
installbushingretainer(5)onthebushing.
5.Applyathoroughcoatingoffood-gradelubricant
totheinnersurfaceoftheaircylinderasfardown
areachablebyhand,andapplytotheouter
surfacesofthepistonassembly.
6.Leavingacoupleofsectionsofthepistonshaft
freeoflubricant,toaidgrippingduringinsertion,
applyfood-gradelubricantonallremaining
portionsofthepistonrodandtotheinside
surfacesofthecap.
7.Installthecapassemblyontothepistonrod,
orientedsothecapmountingangeisfurthest
awayfromthepistonassemblyandslideitdown
torestonthepiston.
8.Insertthepistonassemblyintotheaircylinder,
makingsuretoalignthecapwiththeaircylinder
opening.Lowerthepistonandrodintotheair
cylinderuntilitcomestorestatthebottomofthe
aircylinder.
9.Installscrews(28)andwashers(27)inthecap
mountingholes.
10.Attachtheairlinestothetopandbottomair
ttingsonthecompletedaircylinder.
11.Repeatfortheotheraircylinder.
12.Usingnuts(24)andwashers(23),attachtheram
crossbar(116)totheaircylinderpistonrods(2),
pumpsupportrods(17),andairmotorsupport
rod(107).
103A5404F