Case CX225SR - Page 32

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
Calibrationpressure
ItemDescription
Secondary
relief
pressure
setting
Nominal
pressure
readonthe
machine
Pressure
withone
turnofthe
screw
(*orfora
shim)
Forpressuresetting
procedures,
referto:
Mainreliefvalve(standard
pressure)
343barto
120L/min
346bar217bar
Reliefvalve-Pressuresetting
(A.10.A.16-F.45.A.70)
(A)
Mainreliefvalve(powerboosted
pressure)
373barto
108L/min
373bar290bar
Reliefvalve-Pressuresetting
(A.10.A.16-F.45.A.70)
(B)
Boomraisingportsecondary
relief
392barto
20L/min
405bar212bar
Reliefvalve-Pressuretest
(H.20.B.16-F.40.A.30)
(B1)
(B2)
Boomcylindersafetyvalves
secondaryrelief
392barto
20L/min
405bar
-
Safetyvalve-Pressure
setting(H.20.B.15-F.45.A.70)
(C)
Boomloweringportsecondary
relief
392barto
20L/min
407bar212bar
Reliefvalve-Pressuretest
(H.20.B.16-F.40.A.30)
(D)Dipperoutportsecondaryrelief
392barto
20L/min
400bar212bar
Reliefvalve-Pressuretest
(H.25.B.16-F.40.A.30)
(D1)Dippercylindersafetyvalves
secondaryrelief
392barto
20L/min
400bar
-
Safetyvalve-Pressure
setting(H.25.B.15-F.45.A.70)
(E)Dipperinportsecondaryrelief
392barto
20L/min
400bar212bar
Reliefvalve-Pressuretest
(H.25.B.16-F.40.A.30)
(F)
Bucketopenportsecondary
relief
392barto
20L/min
408bar212bar
Reliefvalve-Pressuretest
(H.30.C.16-F.40.A.30)
(G)
Bucketcloseportsecondary
relief
392barto
20L/min
408bar212bar
Reliefvalve-Pressuretest
(H.30.C.16-F.40.A.30)
(H)Pilotcircuitmainrelief
39bar43bar30bar
Reliefvalve-Pressuretest
(A.14.A.16-F.40.A.30)
(I)RHswingportsecondaryrelief
304barto
122L/min
325bar
5bar*Reliefvalve-Pressuretest
(F.40.C.16-F.40.A.30)
(J)LHswingportsecondaryrelief
304barto
122L/min
325bar
5bar*Reliefvalve-Pressuretest
(F.40.C.16-F.40.A.30)
(K)Forwardtravelsecondaryrelief
343bar343bar60bar
Reliefvalve-Pressuretest
(F.10.F .16-F.40.A.30)
(L)Reversetravelsecondaryrelief
343bar343bar60bar
Reliefvalve-Pressuretest
(F.10.F .16-F.40.A.30)
(N1)
(N2)
Negativepressureofpump
bodies(P1)and(P2)
25.5barHydraulicpump-Pressure
test(A.10.A.20-F.40.A.30)
Pilotaccumulatorcheck
Accumulator-Check
(A.14.A.30-F.40.A.11)
26020102/12/2004
A.10.A/8