Link-Belt published this 192-page operator manual under book number 235X3-OM-LXG-01 for the 235X3 hydraulic excavator, the X3-generation machine with an electronic monitor in the cab. As a Link-Belt 235X3 operator manual PDF, it walks you through the cab and controls: lever patterns C and D, the menu screens and message display list, the gate lock, and diesel particulate diffuser operation. Lubrication, filters and fluids take up a good share of the book. After them come the daily inspection lists, track and idler adjustment, quick coupler operation and the ISO-rated lifting capacity tables. On a 600 mm pad, torque the track shoe bolts to 221 lb-ft (300 N-m) and then turn them a further 120°; the fuel pre-filter body goes to between 28 and 32 N-m. A filter change stalls when one torque value is missing. The chapters are bookmarked and the text is searchable, and once you buy this copy it stays yours for the life of your machine.
What's Inside This Link-Belt 235X3 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| To the Owner | 7-8 | Technical Manuals, Operator's Manuals, Parts Manuals, Service Manuals, Maintenance Records, Excavator Serial Number |
| Excavator Components | 9-14 | Engine Components, Identification Numbers |
| Safety, Decals, and Hand Signals | 15-40 | Safety Rules, Safety Area, Utility Safety, Operator Precautions, Decals, Hand Signals |
| Instruments and Controls | 41-80 | Cab, Steps and Access Handles, Position of the Cab Controls and Accessories, Operator's Seat, Seat Controls, Right-Hand Control Arm, Left-Hand Control Arm, Front Console |
| Operating Instructions | 81-110 | Before Operating the Excavator, Operating the Excavator, Run-In Period, Anti-Theft Protection Device, Starting the Engine, Bringing the Excavator Up to Operating Temperature |
| Servicing Intervals | 111-118 | Daily Inspections, Maintenance Information Screen |
| Lubrication, Filters, and Fluids | 119-148 | Fluids and Lubricants, Lubrication Chart, Lubrication Points, Fluid Levels, Engine, Cooling System, Fuel System, Releasing Pressure in the Hydraulic System |
| Maintenance and Adjustments | 149-164 | Tracks, Track Rollers and Idler Wheels, Radiator and Oil Cooler, Fan and Alternator Belt, Inspecting and Cleaning the Excavator, Checking for Cylinder Leakage, Replacing a Bucket |
| Electrical Systems | 165-172 | Fuses, Battery Disconnect Switch, Battery |
| Transportation & Storage Instructions | 173-180 | Transporting the Excavator, Loading the Excavator, Lifting the Excavator |
| Specifications | 181-188 | Engine, Hydraulic System, Weights, Undercarriage, Capacity of Systems and Components, Attachment, Digging Force, Excavator Overall Dimensions |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torque of the track shoe (600 mm track pad) | 221 lb-ft (300 N-m), then turn 120° | p. 151 |
| Tightening torque of the track shoe (800 mm track pad) | 557 - 629 lbf-ft (755 - 853 N-m) | p. 151 |
| Fuel pre-filter drain plug and bleed screw tightening torque | 5.90 - 8.85 lb-ft (8 - 12 N-m) | p. 131 |
| Fuel pre-filter body tightening torque | 20.66 - 23.62 lbf-ft (28 - 32 N-m) | p. 132 |
| Pilot filter cartridge tightening torque | 21.689 - 28.917 lbf-ft (29.4 - 39.2 N-m) | p. 138 |
| Air filter compressed air cleaning pressure | 100 psi or less | p. 144 |
| Fan and alternator belt tension slack | 0.236 in (6 mm) to 0.315 in (8 mm) | p. 154 |
| Track tension value | 11.8 - 12.99 in (300 - 330 mm) | p. 149 |
| Travel reduction gear (*) | 267 - 312 N-m | p. 162 |
| Batteries | 20 - 29 N-m | p. 162 |
| Engine Oil Capacity | 6.1 gal (23.1 liters) | p. 127 |
| Hydraulic Tank Capacity | 30 gal (114 liters) | p. 137 |
Link-Belt 235X3 Common Problems This Manual Covers
Link-Belt 235X3 radiator, oil cooler, and fan belt check when the engine is overheating during operation
Check fan and alternator belt slack following page 154 and set it to 0.236 to 0.315 in (6 to 8 mm). Inspect and clean the radiator and oil cooler. Then drain, rinse, and refill the cooling system following page 129. The system holds 8.2 gal (30.9 liters), so have that much coolant ready.
Manual Section: Cooling System Troubleshooting p. 129Track chain and idler on the undercarriage with track tension too loose or too tight
Measure track tension following page 149 and compare it against 11.8 to 12.99 in (300 to 330 mm). Adjust until the reading sits inside that range, then recheck. While you are down there, inspect the track rollers and idler wheels. Tighten 600 mm track shoes to 221 lb-ft (300 N-m), then turn them 120° as shown on page 151.
Manual Section: Track Tension Troubleshooting p. 149Battery, fuses, and alternator check when the engine does not start or battery charge runs low
Check the battery charge state following page 168. The manual schedules that check every 50 hours, plus an electrolyte level check every 250 hours. Verify the battery disconnect switch is on. Inspect the fuses using the fuse functions and locations on page 165. Check fan and alternator belt slack against 0.236 to 0.315 in (6 to 8 mm) on page 154.
Manual Section: Electrical System Troubleshooting p. 165Fuel pre-filter and fuel main filter service when the engine stops during operation
Drain the fuel pre-filter following page 131, then tighten the drain plug and bleed screw to 5.90 to 8.85 lb-ft (8 to 12 N-m). Replace the pre-filter and tighten the body to 20.66 to 23.62 lbf-ft (28 to 32 N-m), as shown on page 132. Replace the fuel main filter. Then follow the fuel flushing system procedure before you restart.
Manual Section: Fuel System Troubleshooting p. 131During the daily inspection, a hydraulic cylinder rod appearance pointing to cylinder leakage
Release pressure in the hydraulic system before you get near any line or fitting. Inspect each cylinder rod against the rod appearance checks in the Checking for Cylinder Leakage procedure. Check the hydraulic oil level and top it up as needed. The tank holds 30 gal (114 liters) according to page 137, and the total system holds 67.0 gal (252 liters).
Manual Section: Cylinder Leakage TroubleshootingAir conditioning belt, filters, and refrigerant charge state check when cab cooling is weak
Check the air conditioning belt tension first, because that is the quickest item to rule out. Clean the air conditioning filters and reinstall them. Check the refrigerant charge state using the Air Conditioning procedure in Maintenance and Adjustments. If the charge state is off, have the system serviced before running long shifts in the heat.
Manual Section: Air Conditioning TroubleshootingFrequently Asked Questions
What are the hydraulic pressure settings for the Link-Belt 235X3?
The relief valve pressure settings for the Link-Belt 235X3 are 4970 psi (34.3 MPa) for the boom, arm, and bucket, 5330 psi (36.8 MPa) in Power Boost Mode, 4260 psi (29.4 MPa) for swing, 4970 psi (34.3 MPa) for travel, and 2990 psi (20.6 MPa) for the blade. p. 181
What are the torque specifications for the track shoe screws on the Link-Belt 235X3?
For the 23.622 inch (600 mm) track pad, the torque is 221 lb-ft (300 N-m) followed by a 120-degree turn. For the 31.496 inch (800 mm) track pad, the torque is 557 - 629 lb-ft (755 - 853 N-m). p. 151
How do you perform a manual DPF regeneration on the Link-Belt 235X3?
To perform a manual regeneration, move the excavator to a well-ventilated area, disengage the gate lock lever, and set the engine throttle to idle. Then, press and hold the DPD switch for 3 seconds, release it, and press it again to start the process, which takes 20 to 25 minutes. p. 90
What is the engine oil capacity for the Link-Belt 235X3?
The engine oil capacity for the Link-Belt 235X3 is 6.1 gallons (23.1 liters). p. 127
What is the correct belt tension for the fan and alternator belt?
The fan and alternator belt tension should be between 0.236 inches (6 mm) and 0.315 inches (8 mm) when applying a pressure of approximately 22.046 lbs (10 kg) to the center of the belt. p. 154
How is this Link-Belt 235X3 Operator Manual delivered?
Delivery is instant: a 192-page searchable PDF is yours the second checkout clears. Laptop, tablet, or phone, all fine.
Am I free to print this Link-Belt 235X3 Operator Manual?
Yes. Print a single page or a chapter for your own shop use, on letter or A4.
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