Graco EcoQuip 2 - Replacing the Pinch Hose

Repair
Replacing Replacing
Replacing
the the
the
Pinch Pinch
Pinch
Hose Hose
Hose
Removing Removing
Removing
the the
the
Pinch Pinch
Pinch
Hose Hose
Hose
1.PerformPressureReliefProcedure,page10.
2.Removetheclawcoupler(CP)attheswivel
connection.
3.Usethesupplied2–7/8in.wrenches(WR)to
loosenthelocknuts(S1,S2)ontheinsideand
outsideofthebox.
4.Removetheclamp(HC)connectingtheblast
circuit(BC)tothecheckvalve.
5.Removethebottomhoseclamp(C2).
6.Pullthepinchhose(PH)outofthebox.
NOTE: NOTE:
NOTE:
Usetheblastcircuit(BC)asahandle,
andtwistwhilepulling.
7.Loosentheremaininghoseclampandremove
thepinchhosefromthecircuit.
Installing Installing
Installing
the the
the
Pinch Pinch
Pinch
Hose Hose
Hose
1.Placebothhoseclamps(C1,C2)onthepinch
hose(PH).Leave1/4in.ofhoseexposedonthe
ends.
2.Slidethepinchhose(PH)ontothebarbatthe
blastcircuit(BC).
3.Reinstalltheblastcircuit(BC)andpinchhose
(PH)intotheboxthroughthepinchvalve.
4.Installandtightentheclamp(HC)to15ft-lb(20.3
N•m)toconnecttheblastcircuittothecheck
valve.NOTE: NOTE:
NOTE:
Ifnecessary,loosentheinsidenut
(S2)toprovideroomforgasket(G)installation.
Inspectthegasket(G)andreplaceifnecessary.
5.Applyanti-seizetothreadsonclamps(C1,C2).
Alignthenutspointingtowardsthefrontofthe
enclosure.Torqueto85+/-5in-lb(9.6+/-0.5
N•m).
6.Tightenthelocknuts(S1,S2).
7.Installtheclawcoupler(CP).
32 3A3489E