Book WDL2001-OE, the 188-page Link-Belt 2800, 3400 operator manual PDF, takes both hydraulic excavators from pre-start walkaround through travel, transport and storage. Electric and hydraulic circuit diagrams sit in the specifications chapter, so you can trace a dead switch or a sluggish function back through the system. Inspection and maintenance runs to more than a quarter of the book: the check list, the lubrication and element chart, swing and travel unit service, track shoe bolt torque and a troubleshooting section. The operation chapter maps every console switch, monitor lamp and lever. Change the fuel filter element every 500 hours and the pilot, return and drain filters every 1,000; main relief should read 4550 ± 70 PSI standard and 4980 ± 70 PSI in power up. Every hour your excavator sits parked is an hour the crew can't bill. Bookmarks jump to each chapter, and the pages print clean enough to take to the bench and get greasy.
What's Inside This Link-Belt 2800, 3400 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 3 | Hydraulic Excavator, Technical Design, Operating Methods, Maintenance Procedures, Safety Information |
| Caution | 4-8 | Construction Equipment, Operator Training, Machine Maintenance, Safety Labels, Accident Prevention |
| Safety | 9-24 | Warning Signs and Labels, Before Moving to the Job Site, Operation Practices, During Operations, During Traveling, On Completion of Daily Operations, During Transportation |
| Operation | 25-52 | Location of Components (Overall View, Operator's Cab, Instruments and Controls) |
| Operating Instructions | 53-88 | Bucket Turning Over and Replacement, On Completion of Daily Operations, Operating in Cold Climates, Operation Under Special Conditions, Special Attachments, Transportation, Storage |
| Inspection and Maintenance | 89-140 | Precautions During Inspection, Maintenance, Rules for Inspection, Maintenance Check List, Lubrication and Element Chart, Inspection Before Starting |
| Specifications and Etc | 141-188 | Main Specifications, Optional Parts, Electric Circuit Diagram, Hydraulic Circuit Diagram, Pressure Measurement and Adjustment, Long Front Attachment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuel filter element replacement time | Every 500 hours | p. 99 |
| Pilot oil filter element replacement time | Every 1000 hours | p. 99 |
| Shoe Bolt Torque | 570-650 ft-lbs | p. 113 |
| Main Relief Pressure (Standard) | 4550 ± 70 PSI (320 ± 5 kgf/cm²) | p. 186 |
| Main Relief Pressure (Power up) | 4980 ± 70 PSI (350 ± 5 kgf/cm²) | p. 186 |
| Boom Port Relief Pressure (Up) | 5550 ± 210 PSI (390 ± 15 kgf/cm²) | p. 172 |
| Boom Port Relief Pressure (Down) | 3560 ± 210 PSI (250 ± 15 kgf/cm²) | p. 172 |
| Swing Port Relief Pressure | 4410 ± 210 PSI (310 ± 15 kgf/cm²) | p. 174 |
| Pilot Relief Pressure | 585 ± 40 PSI (41 ± 3 kgf/cm²) | p. 186 |
| Engine Oil Replacement Interval | 500 hours | p. 108 |
| Fuel Filter Replacement Interval | 500 hours | p. 107 |
| Hydraulic Oil Replacement Interval | 5000 hours | p. 117 |
Link-Belt 2800, 3400 Common Problems This Manual Covers
Link-Belt 2800 and 3400 Quantum excavator engine will not start, starter does not run or cranks slowly
Check the starter switch connection and battery charge first, following the engine chart on page 135. Turn the starter switch OFF before inspecting or handling the battery (page 50). Inspect for contaminated or loose wiring connectors, refill the fuel tank if empty, clean or replace a clogged fuel filter and completely bleed air from the fuel system. Crank no longer than 10 seconds, then wait 1 or 2 minutes before retrying (page 56).
Manual Section: Engine and Related Area Troubleshooting p. 135Monitor shows overheat warning and buzzer sounds with water temperature too high during operation
Check the coolant level and refill if low, then inspect for water leakage and a worn or damaged belt, following the monitor chart on page 136. Clean a clogged radiator, oil cooler and dust-protective net. Stop the engine before opening the engine hood, and latch the hood open (page 23). If the thermostat, water pump or monitor is suspect, contact the distributor.
Manual Section: Monitor Display Troubleshooting p. 136Suction side air leak or clogged suction filter, hydraulic pump making unusual noise
Check that hydraulic oil is filled to the proper level and refill if necessary, following the pump chart on page 137. Retighten or grease loose suction side joints and inspect the suction hose for damage. Replace the suction filter, and replace the hydraulic oil if it is dirty or of excessively high viscosity. The suction filter element is due every 5000 hours (page 99).
Manual Section: Hydraulic Pump Troubleshooting p. 137Working attachments boom, arm and bucket show overall low power and insufficient work power
Check the hydraulic oil level and refill if low, then confirm the oil viscosity is correct and replace it if not, following the attachment chart on page 137. Replace a clogged suction filter. If power is still down, contact the distributor: the chart lists main or port relief valve settings, hydraulic pump wear and damaged cylinder packing as dealer items.
Manual Section: Working Attachments Troubleshooting p. 137Track too tight or unevenly tensioned, machine travel is rough or crooked
Remove any stone or object caught in the track, then adjust both tracks to equal and proper tension, following the travel chart on page 138. Check track shoe tension clearance against 11 to 11.8 inches (280 to 300 mm) per page 127. Grease in the track compensating system is under heavy spring pressure: do not disassemble it or completely remove the check valve or retaining bracket (page 12).
Manual Section: Travel Unit Troubleshooting p. 138Swing bearing short on grease, swing unit makes unusual noise during swing operation
Add grease to the swing bearing first, since insufficient lubrication is a listed cause on page 138. If the noise continues, bleed air from the swing motor and check the oil level. If swing force or swing braking force also drops, contact the distributor, because the chart marks swing motor and control valve repairs for dealer service.
Manual Section: Swing Unit Troubleshooting p. 138Frequently Asked Questions
What are the torque specifications for the track shoe bolts on the Link-Belt 2800/3400?
The torque specification for the M20 shoe bolts on the Link-Belt 2800/3400 is 570-650 ft-lbs (800-900 N-m). p. 113
How often should I replace the engine oil and engine oil filter on a Link-Belt 2800, 3400?
The engine oil and engine oil filter should be replaced every 500 hours of operation. p. 108
What is the standard V-belt tension for the alternator?
The standard V-belt tension is a deflection of 0.3-0.4 inches (8-12mm) at the center point between the alternator and water pump when pressed with a force of approximately 22 lbs (10kg). p. 112
How do I release hydraulic pressure before performing inspection or maintenance?
To release hydraulic pressure, lower the attachment to the ground, stop the engine, turn the starter switch to ON, release the lever lock, move the operation levers back and forth about 10 times, turn the starter switch to OFF, and finally release pressure from the hydraulic tank by pushing the button inside the breather. p. 91
How often should the hydraulic oil be replaced on the Link-Belt 2800, 3400 excavator?
The hydraulic oil should be replaced every 5000 hours of operation. p. 117
How is this Link-Belt 2800 Operator Manual delivered?
All 188 pages arrive as one searchable PDF at checkout. Read it at the desk, then take the phone out to the machine.
Does this Link-Belt 2800 manual allow printing?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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