6
-3-8 Track Gauge Change
......................................................................................................................................
..
.......
6
-3-
29
6
-3-9 Simultaneous Operation of Travel and Blade......................................................................................................
.
....
6
-3-
33
6
-3-10 Simultaneous Operation of Boom Up and Bucket.....................................................................
..
...........................
6
-3-
37
6
-3-11 Hydraulic P.T.O.
................................................................................................................................................
.
...
6
-3-
4
1
6
-4 Pressure Adjustment...........................................................................................................................................................
6
-4-1
6
-4-1 System Relief Valves
.................................................................................................................................................
6
-4-1
6
-4-2 Circuit Relief Valves
...................................................................................................................................................
6
-4-2
6
-4-3 Swing Brake Valve
.....................................................................................................................................................
6
-4-3
6
-4-4 Cut-Off Valve..............................................................................................................................................................
6
-4-4
6-
5
Hydraulic Pump
.................................................................................................................................................
.
.................
6-
5
-1
6-6 Control Valve .....................................................................
................................................................................
..................
6-6-1
6-7 Pilot Valve
................................................................
...............................................................................
............................ 6-7-1
6-8 Cut-off Valve
..................................................................
................................................................................
.....................
6-8-1
6-9 Swing Motor
..........................
..................
.......................................
............................................................
......................... 6-9-1
6-10 Travel Motor
....................
................................................................................
................................................................
6-10-1
6
-3-6 Blade
.......................................................................................................................................................................
6
-3-
2
1
6
-3-7 Travel
...................................................................................................................................................................
.
..
6
-3-
25
CHAPTER 7
ADJUSTMENT AND REPAIR
7-1 Engine of Machine
............
....................
...
.............
..........................................................................................................
......
7-1-1
7-1-
1
Removal and Reinstallation of Engine
.......
...
.
..........................................................................................................
...
.
7-1-1
7-1-
2
Removal and Reinstallation of Starter Motor
...
.........................................................................................................
...
7-1-
8
7-1-
3
Removal and Reinstallation of
Fuel Injection Pump .................................................................................................. 7-1-11
7-1-
4
Removal and Reinstallation of Fuel Tank
....
.......................................................................................................
....
...
7-1-
1
3
7-1-
5
Removal and Reinstallation of Radiator
.....
........................................................................................................
....
...
.
7-1-
1
5
7-2 Undercarriage
......................................................
.........................................................................................................
......
7-2-1
7-2-1 Outline
.........................................................
.........................................................................................................
......
7-2-1
7-2-2 Points of Reassembly
..........
............................................................................
.......................
............................
.......
7-2-2
7-2-3 Removal and Reinstallation of Crawler
...
...........................................................................................................
..........
7-2-4
7-2-4 Disassembly and Reassembly of Idler
..........
..........................................................................................................
....
7-2-5
7-2-5 Disassembly and Reassembly of
Track Roller ............................................................................................................
7-2-8
7-2-6 Removal and Reinstallation of
Track Gauge Change Cylinder ................................................................................ 7-2-11
7-3 Controls
....................................................
..........................................................................................................
.................
7-3-1
7-3-1 Control Train
............................
........................................................................................................
..........................
7-3-1
7-3-2 Mechanical Control Linkage
.................
.........................................................................................................
.............
7-3-2
7-3-
3
Adjustment of Travel and Blade Levers
..........
..........................................................................................................
..
7-3-
4
7-3-
4
Adjustment of Boom Swing and
P.T.O. Pedals and P.T.O. Pedal Lock ..................................................................... 7-3-5
7-3-
5
Adjustment of Lock Lever Switch
................
.........................................................................................................
......
7-3-
6
7-3-
6
Adjustment of Accelerator Lever
................
.........................................................................................................
.......
7-3-8
7-4 Swing Bearing
...................................................
.........................................................................................................
.........
7-4-1
7-4-1 Removal and Reinstallation of
Swing Bearing .............................................................................................................
7-4-1
7-5 Hydraulic Equipment
............................................
.........................................................................................................
......
7-5-1
7-5-1 Removal and Reinstallation of
Hydraulic Oil Tank .......................................................................................................
7-5-1
Summary of Contents for ViO12-2A
Page 1: ...SERVICE MANUAL EXCAVATOR ViO12 2A...
Page 2: ......
Page 3: ......
Page 9: ......
Page 21: ......
Page 23: ......
Page 37: ......
Page 55: ......
Page 57: ......
Page 99: ......
Page 109: ...5 3 1 5 ELECTRIC SYSTEM 5 3 Wiring Diagram...
Page 114: ......
Page 117: ...6 HYDRAULIC SYSTEM 6 1 3...
Page 118: ...6 HYDRAULIC SYSTEM 6 1 4...
Page 119: ...6 HYDRAULIC SYSTEM 6 1 5 This Page Intentionally Left Blank...
Page 121: ...6 HYDRAULIC SYSTEM 6 1 7...
Page 122: ...6 HYDRAULIC SYSTEM 6 1 8...
Page 123: ...6 HYDRAULIC SYSTEM 6 2 1 6 2 Hydraulic Circuit Schematic...
Page 125: ...6 HYDRAULIC SYSTEM 6 3 2...
Page 126: ...6 HYDRAULIC SYSTEM 6 3 3...
Page 127: ...6 HYDRAULIC SYSTEM 6 3 4 This Page Intentionally Left Blank...
Page 129: ...6 HYDRAULIC SYSTEM 6 3 6...
Page 130: ...6 HYDRAULIC SYSTEM 6 3 7...
Page 131: ...6 HYDRAULIC SYSTEM 6 3 8 This Page Intentionally Left Blank...
Page 133: ...6 HYDRAULIC SYSTEM 6 3 10...
Page 134: ...6 HYDRAULIC SYSTEM 6 3 11...
Page 135: ...6 HYDRAULIC SYSTEM 6 3 12 This Page Intentionally Left Blank...
Page 137: ...6 HYDRAULIC SYSTEM 6 3 14...
Page 138: ...6 HYDRAULIC SYSTEM 6 3 15...
Page 139: ...6 HYDRAULIC SYSTEM 6 3 16 This Page Intentionally Left Blank...
Page 141: ...6 HYDRAULIC SYSTEM 6 3 18...
Page 143: ...6 HYDRAULIC SYSTEM 6 3 20 This Page Intentionally Left Blank...
Page 145: ...6 HYDRAULIC SYSTEM 6 3 22...
Page 147: ...6 HYDRAULIC SYSTEM 6 3 24 This Page Intentionally Left Blank...
Page 149: ...6 HYDRAULIC SYSTEM 6 3 26...
Page 150: ...6 HYDRAULIC SYSTEM 6 3 27...
Page 151: ...6 HYDRAULIC SYSTEM 6 3 28 This Page Intentionally Left Blank...
Page 153: ...6 HYDRAULIC SYSTEM 6 3 30...
Page 155: ...6 HYDRAULIC SYSTEM 6 3 32 This Page Intentionally Left Blank...
Page 157: ...6 HYDRAULIC SYSTEM 6 3 34...
Page 159: ...6 HYDRAULIC SYSTEM 6 3 36 This Page Intentionally Left Blank...
Page 161: ...6 HYDRAULIC SYSTEM 6 3 38...
Page 162: ...6 HYDRAULIC SYSTEM 6 3 39...
Page 163: ...6 HYDRAULIC SYSTEM 6 3 40 This Page Intentionally Left Blank...
Page 165: ...6 HYDRAULIC SYSTEM 6 3 42...
Page 166: ...6 HYDRAULIC SYSTEM 6 3 43...
Page 168: ...6 HYDRAULIC SYSTEM 6 3 45...
Page 169: ...6 HYDRAULIC SYSTEM 6 3 46...
Page 219: ...6 HYDRAULIC SYSTEM 6 7 8 1 4 3 8 7 12 10 10 15 a b c Loctite 262 0 30Nm 0 45Nm...
Page 348: ...7 ADJUSTMENT AND REPAIR 7 5 31 6 Control Levers Pilot valves Control valve...
Page 349: ...7 ADJUSTMENT AND REPAIR 7 5 32 7 Upperstructure Implement Bucket cylinder Arm cylinder...
Page 351: ...7 ADJUSTMENT AND REPAIR 7 5 34 9 Undercarriage High speed travel solenoid valve...
Page 359: ......
Page 360: ...CHAPTER 8 PERIODIC INSPECTION AND SERVICING 8 1 List of Periodic Inspection and Servicing 8 1...
Page 361: ......
Page 364: ...CHAPTER 9 FUEL LUBE OIL AND GREASE RECOMMENDED 9 Fuel Lube Oil and Grease Recommended 9 1...
Page 365: ......
Page 367: ......
Page 369: ......
Page 406: ...CHAPTER 11 REFERENCE DATA 11 1 Specifications for Attachment 11 1...
Page 407: ......