S0709401K
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Main Control Valve (Kayaba)
CLEANING AND INSPECTION (WEAR LIMITS AND
TOLERANCES)
CLEANING
Clean all parts thoroughly using a suitable cleaning fluid and dry them with moisture free compressed air.
Put them on a clean paper or a vinyl for inspection.
INSPECTION
Inspect all parts for scratches, notches and other defects.
1.
Inspect load check seat surface of valve housing for scratches, scores, dirt, notches and corrosion.
Remove small scratches with oilstone.
2.
Inspect exterior surface of spool for scratches and notches. Remove small scratches with oilstone.
3.
Sliding parts should be moved lightly and foreign materials should be removed in all grooves and
passages.
4.
Replace any springs that are damaged, heavy deformed or worn.
5.
If relief valve malfunction, inspect it using relief valve maintenance procedure.
6.
Replace all O-rings and backup rings with new.
7.
After disassembling cap or plug, check whether there are paint chips around body hole or plug. If
paint chips penetrate into valve, they can cause malfunction or valve to leak.
REASSEMBLY
INSTRUCTIONS FOR REASSEMBLY
Handling Instructions of O-ring
1.
Do not use O-ring which has any defect or scratches from handling.
2.
Apply grease or hydraulic oil to installation portion of O-ring groves and O-ring to ease installation.
3.
Do not stretch O-ring beyond permanent set.
4.
When installing O-ring, be careful not to twist it. (A twisted O-ring, is very difficult to return to its
original shape after installing it. This could also cause a leak.)
Handling Instructions for Spool
1.
Rated torque should be kept because over torque of screw part cause malfunction of spool.
2.
Be careful that each spool, spring and spool end should be reassembled like before disassembling.
Summary of Contents for Solar 225LC-V
Page 2: ......
Page 4: ......
Page 7: ...1SAFETY ...
Page 8: ......
Page 46: ...S0102000 Page 38 Track Excavator Safety ...
Page 47: ...1SPECIFICATIONS ...
Page 48: ......
Page 54: ...S0205015K Page 6 Specifications for Solar 225LC V Return to Master Table of Contents ...
Page 70: ...S0205015K Page 22 Specifications for Solar 225LC V Return to Master Table of Contents ...
Page 71: ...1GENERAL MAINTENANCE ...
Page 72: ......
Page 86: ...S0302000 Page 14 General Maintenance Procedures ...
Page 99: ...1UPPER STRUCTURE ...
Page 100: ......
Page 102: ...S0402040K Page 2 Cab TABLE OF CONTENTS Removal 3 Installation 6 ...
Page 116: ...S0403050K Page 8 Counterweight Return to Master Table of Contents ...
Page 140: ...S0407000 Page 6 Swing Bearing ...
Page 165: ...1LOWER STRUCTURE AND CHASSIS ...
Page 166: ......
Page 192: ...S0505030 Page 26 Track Assembly Return to Master Table of Contents ...
Page 193: ...1ENGINE AND DRIVE TRAIN ...
Page 194: ......
Page 205: ...S0605060K Page 11 Air Conditioner Face and Defroster ARS1300L Figure 12 ...
Page 229: ...S0609000 Page 9 Drive Coupling Main Pump Figure 10 DRIVE COUPLING INSTALLATION UCHIDA PUMP ...
Page 234: ...S0609000 Page 14 Drive Coupling Main Pump ...
Page 235: ...1HYDRAULICS ...
Page 236: ......
Page 249: ...S0702170K Page 13 Hydraulic System Troubleshooting Testing and Adjustment ...
Page 272: ...S0702170K Page 36 Hydraulic System Troubleshooting Testing and Adjustment ...
Page 274: ...S0703010K Page 2 Accumulator TABLE OF CONTENTS General Description 3 Specifications 4 ...
Page 297: ...S0705000 Page 9 Cylinders ...
Page 301: ...S0705000 Page 13 Cylinders ...
Page 311: ...S0705000 Page 23 Cylinders ...
Page 315: ...S0705000 Page 27 Cylinders ...
Page 324: ...S0705000 Page 36 Cylinders 17 Force out pin bushing 1 from body of cylinder Figure 28 ...
Page 328: ...S0705000 Page 40 Cylinders ...
Page 335: ...S0707200 Page 7 Swing Motor Return to Master Table of Contents ...
Page 341: ...S0707200 Page 13 Swing Motor Return to Master Table of Contents SPECIAL TOOLS Figure 6 ...
Page 358: ...S0707200 Page 30 Swing Motor Return to Master Table of Contents ...
Page 452: ...S0708320 Page 40 Main Pump With Regulator Return to Master Table of Contents ...
Page 458: ...S0709401K Page 6 Main Control Valve Kayaba Figure 1 ...
Page 459: ...S0709401K Page 7 Main Control Valve Kayaba Figure 2 ...
Page 461: ...S0709401K Page 9 Main Control Valve Kayaba ...
Page 463: ...S0709401K Page 11 Main Control Valve Kayaba Figure 4 ...
Page 475: ...S0709401K Page 23 Main Control Valve Kayaba Figure 16 ...
Page 508: ...S0709401K Page 56 Main Control Valve Kayaba Figure 54 ...
Page 563: ...1ELECTRICAL SYSTEM ...
Page 564: ......
Page 618: ...S0802220K Page 54 Electrical System ...
Page 637: ...S0802220K Page 73 Electrical System ...
Page 649: ...1ATTACHMENTS ...
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