This is the full factory repair set for the Caterpillar 330B L excavator (serial 6DR00001-UP, 1997-2001): Systems Operation, Testing and Adjusting, and Disassembly and Assembly bundled as 18 section PDFs, 6034 pages total. It covers the 3306 diesel and the pilot-operated hydraulic system the way Cat dealer techs work on them - with the actual test ports, tool numbers, and pressure values. You get main relief at 34300 kPa (4950 psi), stick and bucket line reliefs at 36800 kPa (5350 psi), swing at 29900 kPa (4350 psi), pilot at 4100 kPa (595 psi), plus full teardown procedures for pumps, main control valve, swing drive, final drives, and undercarriage. No guesswork, no forum numbers.
What's Inside This Caterpillar 330B L Repair Manual
| System | Pages | Key Topics |
|---|
| Air Inlet and Exhaust System | 1-69 | Turbocharger, Aftercooler, Exhaust, Air Cleaner Service |
| Basic Engine | 70-575 | 3306 Engine Disassembly and Assembly, Cylinder Head, Block, Crankshaft, Bearings |
| Cooling System | 576-694 | Radiator, Water Pump, Thermostat, Fan Drive, Cooling Tests |
| Electrical and Starting System | 695-2334 | Alternator, Starter, Batteries, Grounds, Wiring and Circuit Diagrams |
| Engine Arrangement | 2335-2387 | Engine Mounting and Arrangement Drawings |
| Frame and Body | 2388-2479 | Frame, Covers, Guards, Counterweight |
| Fuel System | 2480-2931 | Injection Pump, Injectors, Filters, Fuel System Testing |
| Hydraulic System | 2932-4239 | Pressure Specifications, Relief Valve Test and Adjust, Main and Pilot Pumps, Control Valves, Cylinders |
| Implements | 4240-4431 | Boom, Stick, Bucket, Linkage Service |
| Lubrication System | 4432-4497 | Oil Pump, Filters, Lubrication Routing and Pressures |
| Machine Arrangement | 4498-4511 | Overall Machine Arrangement Drawings |
| Operator Station | 4512-5497 | Cab, Controls, Monitor Panel, HVAC |
| Power Train | 5498-5583 | Travel Motors, Final Drives, Swing Drive, Drive Shafts |
| Schematics | 5584-5653 | Hydraulic and Electrical Schematics |
| Service Equipment and Supplies | 5654-5752 | Special Tools, Service Supplies, Sealants |
| Torque Specifications | 5753-5800 | Standard and Machine-Specific Tightening Torques for Bolts, Fittings and Hose Clamps |
| Undercarriage | 5801-5926 | Track Chain, Rollers, Idlers, Track Adjuster |
| Work Tools | 5927-6034 | Bucket and Attachment Service |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Main Relief Valve Pressure | 34300 ± 490 kPa (4950 ± 72 psi) | p. 3158 |
| Main Relief Valve Locknut Torque | 50 ± 10 N·m (37 ± 7 lb ft) | p. 3158 |
| Stick Cylinder Line (head end) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3158 |
| Stick Cylinder Line (rod end) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3158 |
| Bucket Cylinder Line (head end) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3158 |
| Bucket Cylinder Line (rod end) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3158 |
| Stick/Bucket Cylinder Line Relief Valve Locknut Torque | 20 ± 2 N·m (14 ± 4 lb ft) | p. 3158 |
| Swing Relief Pressure (right) | 29900 ± 980 kPa (4350 ± 140 psi) | p. 3159 |
| Swing Relief Pressure (left) | 29900 ± 980 kPa (4350 ± 140 psi) | p. 3159 |
| Swing Relief Pressure Locknut Torque | 160 ± 30 N·m (120 ± 22 lb ft) | p. 3159 |
| Left Travel Crossover Relief Valve (forward) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3159 |
| Left Travel Crossover Relief Valve (reverse) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3159 |
| Right Travel Crossover Relief Valve (forward) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3159 |
| Right Travel Crossover Relief Valve (reverse) Pressure | 36800 ± 1470 kPa (5350 ± 215 psi) | p. 3159 |
| Travel Crossover Relief Valve Locknut Torque | 130 ± 13 N·m (95 ± 10 lb ft) | p. 3159 |
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