2-22
CONTROL IN NEUTRAL
P1 SIDE (TYPE 1)
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)
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
140L2MC11
3. FUNCTION
Summary of Contents for HX140L
Page 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 209: ...4 5 MEMORANDUM...
Page 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Page 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...