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COMPONENTS CX130
CASE TRAINING CENTER
AUGUST 2000
Control valve
Description Port Description Port
Bucket closing 4A3 Dual flow PO, OPT
Bucket opening 4B3 Return to tank R1, R2, R3
Boom lowering 4A2 Negative flow control pressure FR, FL
Boom up 4B2 Travel pressure signal PX2
Left travel forward 4A1 Upper pressure signal PX1, PS1
Left travel backward 4B1 Drain line dr1, dr2
Dipper arm out 5A5 Arm anti-drift PS2
Dipper arm in 5B5 Boom anti drift
Right swing 5B2 Ultra-clean filter supply R5
Left swing 5A2 Pilot circuit heating R4
Auxiliary 5A4 Swing priority Pi2
Auxiliary 5B4 Swing priority cancelation Pi1
Right travel forward 5A1
Arm priority Pi3
Right travel backward 5B1
Pump supply PR, PL
‘O•û
‘O•û
‰E‘¤–Ê
¶‘¤–Ê
Rear
Left side Right side
Front
ARM 2 IN
BUCKET CLOSED
BOOM 1 down
LH TRAVEL FWD
ARM 1 OUT
AUXILIARY
BOOM 2 UP
LH SWING
BUCKET
OPENING
BOOM 1 UP
LH TRAVEL BWD
RH TRAVEL FWD
ARM 1 IN
AUXILIARY
RH SWING
RH TRAVEL BWD
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