Page152
Construction Equipment
The option spool in the MCV can be used for either breaker (single function),
either clamshell, shear (double function)
A. POSITIONING OF THE 3 WAY VALVE
In case of
breaker operation
(In this position is the back
pressure minimized)
In case of
clamshell, shear
operation
(In this position, 2 way operation is
possible)
B. OPERATION
Push on the breaker switch at right hand side.
At that time the foot pedal can be operated for
opening the “ option” spool inside the MCV.
C. LIMITING OIL FLOW FOR BREAKER OPEATION
1. Select “BREAKER mode” on the dash board
(So max flow cut off solenoid is activated and
the flow is limited)
2. Select correct Engine Speed via Accel Dial
Switch, for setting the right oil flow:
Find flow specification in the characteristics
of the hammer.
Find on next page the table “Flow / RPM”
for each excavator, at BREAKER mode.
D. PRESSURE SETTING
Use the secondary relief valves
near the “ option spool” for
setting the right pressure
Find some more information about
breaker set-up in the operating
manual.
Remark.
5.Breaker / Double Function Piping
(depend on model)
BREAKER
SOLENOID CN66
MAX FLOW
SOLENOID CN137
Additional flow
adjusting can be
realised via screw on
regulator
(NOT R110LC-7)
(NOT R110LC-7)
Summary of Contents for R140-7
Page 1: ...Service Guide Crawler Excavator...
Page 4: ...Page3 Construction Equipment Specification Comparisions...
Page 8: ...Page7 Construction Equipment Hydraulic System...
Page 16: ...Page15 Construction Equipment 3 Hydraulic Circuit 3 1 Main Circuit...
Page 17: ...Page16 Construction Equipment 3 2 Pilot Circuit Crawler Type...
Page 18: ...Page17 Construction Equipment 3 3 Pilot Circuit Wheel Type...
Page 20: ...Page19 Construction Equipment R210LC 7 4 1A Main Control Valve Kawasaki 4 Main Components...
Page 21: ...Page20 Construction Equipment R210LC 7 Upper view Side view...
Page 22: ...Page21 Construction Equipment Bottom view Side view R210LC 7...
Page 23: ...Page22 Construction Equipment R210LC 7 LH RH...
Page 24: ...Page23 Construction Equipment R210LC 7 R290LC 7A 1 Foot Relief Valve...
Page 25: ...Page24 Construction Equipment R210LC 7 R290LC 7A 2 Direction Control Valve...
Page 27: ...Page26 Construction Equipment R210LC 7 R290LC 7A...
Page 29: ...Page28 Construction Equipment R210LC 7 R290LC 7A...
Page 31: ...Page30 Construction Equipment...
Page 32: ...Page31 Construction Equipment Arm Roll Out...
Page 33: ...Page32 Construction Equipment 6 Boom Priority System Boom Swing Operation...
Page 34: ...Page33 Construction Equipment 7 Straight Travel Valve...
Page 37: ...Page36 Construction Equipment R290LC 7 10 Straight Travel Valve at Neutral position...
Page 38: ...Page37 Construction Equipment R290LC 7 11 Travel and Swing Simultaneously...
Page 43: ...Page42 Construction Equipment R140W 7...
Page 59: ...Page58 Construction Equipment Pc42 Pc42 12 3 ARM Regeneration Action ARM 1 ARM Regen ARM 2...
Page 74: ...Page73 Construction Equipment...
Page 76: ...Page75 Construction Equipment P1 P2 Pf EPPR Drain Drain R210LC 7...
Page 77: ...Page76 Construction Equipment R290LC 7 8 Pump Regulation Schematic...
Page 85: ...Page84 Construction Equipment Minimum flow Maximum flow max REGULATOR REGULATOR...
Page 94: ...Page93 Construction Equipment...
Page 95: ...Page94 Construction Equipment R210LC 7 21 Flow Increasing Function...
Page 96: ...Page95 Construction Equipment R210LC 7 22 Flow Reducing Function...
Page 97: ...Page96 Construction Equipment R210LC 7 23 Overload Prevention Function...
Page 98: ...Page97 Construction Equipment R210LC 7 24 Flow Reset Function...
Page 108: ...Page107 Construction Equipment R290LC 7A 4 3 Pilot Circuit...
Page 109: ...Page108 Construction Equipment R290LC 7A Operated Position...
Page 110: ...Page109 Construction Equipment 4 4 Swing Motor 1 View of Swing Motor R140LC 7...
Page 112: ...Page111 Construction Equipment R210LC 7 2 Swing Circuit Operation...
Page 113: ...Page112 Construction Equipment R290LC 7A...
Page 114: ...Page113 Construction Equipment R290LC 7A...
Page 115: ...Page114 Construction Equipment R290LC 7A Neutral Position Swing is not operated...
Page 116: ...Page115 Construction Equipment R290LC 7A 3 Swing Port Relief Valve...
Page 117: ...Page116 Construction Equipment R290LC 7A 110bar...
Page 119: ...Page118 Construction Equipment R290LC 7A 5 Swing Brake Neutral Position...
Page 120: ...Page119 Construction Equipment R290LC 7A 6 Swing Brake Operating Position...
Page 121: ...Page120 Construction Equipment R290LC 7A...
Page 122: ...Page121 Construction Equipment R290LC 7A...
Page 123: ...Page122 Construction Equipment R290LC 7A 7 Antirotation Valve...
Page 124: ...Page123 Construction Equipment...
Page 126: ...Page125 Construction Equipment R290LC 7A 8 Make Up Valve...
Page 132: ...Page131 Construction Equipment 2 Counterbalance Valve...
Page 133: ...Page132 Construction Equipment Speed Control Jeil 1st Speed Control...
Page 134: ...Page133 Construction Equipment Speed Control Jeil 2nd Speed Control...
Page 135: ...Page134 Construction Equipment Speed Control...
Page 139: ...Page138 Construction Equipment...
Page 140: ...Page139 Construction Equipment 1 0 1 5...
Page 141: ...Page140 Construction Equipment C balance spool check V V...
Page 142: ...Page141 Construction Equipment Brake release A B C D brake release pressure 9Kg...
Page 144: ...Page143 Construction Equipment Main pressure 270 bar 1st speed changed 2 Speed Spool...
Page 145: ...Page144 Construction Equipment R290LC 7A Travel Motor Negative Brake...
Page 146: ...Page145 Construction Equipment R290LC 7A Brake Valve...
Page 147: ...Page146 Construction Equipment R290LC 7A Brake Valve Accelerating Position...
Page 151: ...Page150 Construction Equipment R290LC 7A 4 7 Remote Control Pedal...
Page 152: ...Page151 Construction Equipment R290LC 7A 4 8 Turning Joint...
Page 156: ...Page155 Construction Equipment 5 2 Single Acting Circuit...
Page 157: ...Page156 Construction Equipment 5 3 Double Acting Circuit...
Page 158: ...Page157 Construction Equipment 5 4 Comparison Table...
Page 160: ...Page159 Construction Equipment Electric New CAPO System Computer Aided Power Optimization...
Page 173: ...Page172 Construction Equipment R210LC 7 Px Py 2 Circuit...
Page 186: ...Page185 Construction Equipment 1 12 Monitoring Display on Cluster...
Page 187: ...Page186 Construction Equipment 1 Description of Monitoring Display...
Page 188: ...Page187 Construction Equipment...
Page 189: ...Page188 Construction Equipment...
Page 190: ...Page189 Construction Equipment...
Page 192: ...Page191 Construction Equipment 3 Engine Error Codes List for R290 360LC 7 Cummins QSB QSC...
Page 193: ...Page192 Construction Equipment...
Page 194: ...Page193 Construction Equipment...
Page 195: ...Page194 Construction Equipment 3 Engine Error Codes List for R450LC 7 Cummins QSM...
Page 196: ...Page195 Construction Equipment...
Page 197: ...Page196 Construction Equipment...
Page 206: ...Page205 Construction Equipment 6 Preparation for Emergency Operation...
Page 209: ...Page208 Construction Equipment 1 16 Engine rpm control System Mechanically controlled CMS E G...
Page 218: ...Page217 Construction Equipment 2 1 Components Location Cabin Fuse box POWER RY SAFETY RY...
Page 227: ...Page226 Construction Equipment...