Hyundai HX145 LCR, Manual

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2-23
CONTROL IN NEUTRAL CONTROL IN NEUTRAL
P1 SIDE P1 SIDE
The hydraulic fluid from pump A2 flows into the main control valve through the inlet port "P1",
pass the straight travel spool into the P1 bypass passage and P1parallel passage.
The hydraulic fluid from the pump A2 is directed to the tank through the bypass passage of
spools : travel left, boom 1, arm 2, arm regeneration & option A and bucket, the negative relief
valve of P1, tank passage, and the tank port "T1"
1) 1)
(1) (1)
B
B
SECTION A-A
A
A
BUCKET
ARM REGEN
& OPTION-A
ARM 2
BOOM 1
TRAVEL(LH)
Tank passage
P1 Negative relief valve
SECTION B-B
P2 Negative relief valve
P1 Bypass passage
P1 port
P1 Parallel passage
P1 Bypass passage
Tank port T1
145LCR2MC11
3. FUNCTION 3. FUNCTION