Taking the Daewoo Solar 030 Plus and 035 hydraulic excavators apart one system at a time, this 143-page Solar 035 operation and maintenance manual PDF runs from the main pump and control valve through the swing and travel motors to the last track roller. A hydraulic line diagram traces oil from pump to actuators, and the electrical circuit diagram sits right beside its own troubleshooting section. Undercarriage work fills a solid share of the book: crawler, idler, track roller and sprocket rebuilds with maintenance standards, spring specs for the track tension adjusting cylinder, and the procedure for swapping your steel crawlers to rubber. Run M8 grade 7T bolts to 2.40 to 2.80 kg•m and a PT1/4 adaptor to 3.5 to 4.5 kg•m. A guessed torque costs you a second teardown. Bookmarks and a live text layer find any spec fast, and the pages print clean enough to live on the bench and soak up hydraulic oil.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 4-25 | Safety Information, Safety Messages, Safe Operation, Locatoion of Safety Labels |
| General Information | 26-42 | Excavator Major Components, Excavator External View and Operating Space, Specification, Weight of Major Attachments and Components, Excavator Identification Number |
| Working Attachments | 43-49 | Maintenance Standards, Inspection and Correction |
| Engine | 50-52 | Engine Specifications, Engine Performance Curve |
| Main Pump | 53-59 | External Views, Pump Removal and Installation, Hydraulic Pump Performance Test |
| Hydraulic Oil Filter | 60-65 | Piping Diagram, Maintenance Procedure |
| Control Valve | 66-78 | Specifications, Disassembly and Reassembly, Each Valve, Cautions When Handlings |
| Swing Motor | 79-87 | Specifications, Operation, Inspection and Adjustment, Maintenance Standards |
| Travel Motor | 88-100 | Specifications, Operation, Care, Running Speed |
| Hydraulic Cylinder | 101-107 | Disassembly, Assembly |
| Swivel Joint | 108-111 | Specifications, Disassembly, And Reassembly |
| Joy Stick | 112-115 | Specifications, Operation, Pilot Valve |
| Solenoid Valve | 116-120 | Specifications, Operation, Relief Valve |
| Crawlers | 121-126 | Specifications and Construction, Disassembly and Reassembly, Maintenance Standards |
| Idler | 127-129 | Disassembly and Reassembly, Maintenance Standards, Oil Seal |
| Track Tension Adjusting Cylinder | 130-132 | Spring Specifications, Disassembly and Reassembly |
| Track Roller | 133-135 | Maintenance Standards |
| Sprocket | 136-137 | Disassembly and Reassembly, Maintenance Standards, Sprocket Tooth Width |
| Crawler Replacement Procedure | 138-139 | Steel Crawler Mounting Procedure, Replacement of Steel Crawlers with Rubber Crawlers |
| Electrical Device | 140-143 | Electrical Circuit Diagram, Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bolt and nut tightening torque (M6, 4T) | 0.80~0.95 kg•m | p. 40 |
| Bolt and nut tightening torque (M8, 4T) | 1.80~2.10 kg•m | p. 40 |
| Bolt and nut tightening torque (M6, 7T) | 1.00~1.15 kg•m | p. 40 |
| Bolt and nut tightening torque (M8, 7T) | 2.40~2.80 kg•m | p. 40 |
| Adaptor tightening torque (PT1/4) | 3.5~4.5 kg•m | p. 40 |
| Adaptor tightening torque (PT3/8) | 4.5~5.5 kg•m | p. 40 |
| P1 main relief pressure | 200 kg/cm2 | p. 63 |
| P2 main relief pressure | 200 kg/cm2 | p. 63 |
| Suction filter (Y-3794) pressure resistance | 1 kg/cm2 | p. 58 |
| Return filter (SP10) BY-Pass open pressure | 1.05 kg/cm2 | p. 61 |
| Main pump (Solar 030 Plus) P1, P2 maximum pressure | 200 kg/cm2 | p. 50 |
| Rubber crawler track roller to crawler contact distance | 10~15mm | p. 124 |
