M318 Wheeled Excavator TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Excavator:
- M318 (S/N: 8AL1-UP)
Introduction
Inspections are the most basic form of condition monitoring. Inspections are easy to do and surprisingly effective at helping you spot equipment health issues. Proactive monitoring and analysis of equipment information will allow Dealers to intervene effectively before problems occur.
Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for the latest specification values.
Note: Specification values are based on the following machine settings, unless otherwise stated.
- Engine Speed Dial "10"
- HP Mode
- AESC OFF
- A/C OFF
Creating an Electronic Copy
Use the following procedure to create an editable electronic copy from SIS Web.
- Click format to print.
- Save the document as an HTML format.
- Open the document with Microsoft Word.
Electrical System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Inspect Battery Cables | Cables between the battery, the starter, and the engine ground must be the correct size. Wires and cables must be free of corrosion. Wires and cables must have cable support clamps in order to prevent stress on battery connections (terminals). | |||
| Battery Test | 12.4 VDC or more | Refer to Special Instruction, SEHS7633, "Battery Test Procedure". | ||
| Charging System Test | 18 VDC to 32 VDC | Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". | ||
| Electric Starting System Test | 12 to 16 V at −23° C (−10° F) to −7° C (19° F) |
Refer to Testing and Adjusting, SENR3583, "Electric Starting System - Test". | ||
| 14 to 18 V at −7° C (19° F) to 10° C (50° F) |
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| 16 to 24 V at 10° C (50° F) to 27° C (80° F) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Engine
Cooling System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Radiator Pressure Relief (Radiator Cap) (2) | NA | Refer to System Operation Testing and Adjusting. | ||
| Freezing Point of Engine Coolant | NA | Refer to Operation and Maintenance Manual. | ||
| Belt Tension | 13 to 19 mm (0.5 to 0.7 inch) |
For alternator, fan, and air conditioner apply 110 N (25 lb) of force midway between the pulleys. For air conditioner, belt should deflect 7 to 10 mm (0.3 to 0.4 inch) with 98 N (22 lb) force midway between the pulleys. |
||
| Conditioner Test of Engine Coolant | 89° ± 3°C (192° ± 37°F) |
Full open temperature. From 3054 Specifications, SENR5815-11. | ||
| Difference between the Upper and Lower Radiator Tank Temperatures | 5° + 5° - 5° C (41° + 41° - 41°F) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Test for the pressure that is listed on the cap. |
Fuel System
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| Status (1) | Description | Specification | Actual | Comments |
| Fuel Pressure at HIGH IDLE | 390 ± 130 kPa (57 ± 19 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Lubrication System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Engine Oil Pressure at LOW IDLE | 236 + 364 - 155 kPa (34 + 53 - 22 psi) |
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| Engine Oil Pressure at HIGH IDLE | 320 + 280 - 45 kPa (46 + 41 - 7 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
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| "Engine Performance - Test (Engine Speed)" | ||||
|---|---|---|---|---|
| Status (1) | Description | Specification | Actual | Comments |
| Low Idle AEC OFF |
900 to 950 rpm | |||
| Low Idle AEC ON |
900 to 950 rpm | |||
| High Idle in Mode II AEC OFF |
2120 to 2170 rpm | |||
| Minimum Engine Speed at High Idle in Mode III (Load) | 1950 rpm | |||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Pump Stall Boost Pressure | 141.0 ± 21.2 kPa (20.5 ± 3.1 psi) |
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| Cylinder # 1 Exhaust Temperature (2) | ||||
| Cylinder # 2 Exhaust Temperature (2) | ||||
| Cylinder # 3 Exhaust Temperature (2) | ||||
| Cylinder # 4 Exhaust Temperature (2) | ||||
| Cylinder # 5 Exhaust Temperature (2) | ||||
| Cylinder # 6 Exhaust Temperature (2) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Compare the exhaust temperature variance at each exhaust port. |
Performance Checks
ReferenceRefer to Testing & Adjusting, RENR1182, "Operational Checks" for more detail on the following test.
Operational Checks
Swing Speed
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| Swing Speed and Overswing on Level Ground - Check | ||||
|---|---|---|---|---|
| Status (1) | Description | Specifications (2) | Actual | Comments |
| Left Swing | 28.5 to 32.0 sec | |||
| Right Swing | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Time for five complete revolutions.. |
Cylinder Drift - Check
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| Cylinder Drift Per Minute | |||||
|---|---|---|---|---|---|
| Status (1) | Description | Specifications | Actual | Comments | |
| Pressure | |||||
15000 kPa (2175 psi) |
30000 kPa (4350 psi) |
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| Stick Cylinder | 7.1 mm (0.28 inch) (2) |
18.7 mm (0.74 inch) (2) |
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| Stick Cylinder (3) | 2.1 mm (0.08 inch) (2) |
11.8 mm (0.46 inch) (2) |
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| Bucket Cylinder | 4.2 mm (0.16 inch) (2) |
15.8 mm (0.62 inch) (2) |
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| VA Boom Cylinder | 2.0 mm (0.08 inch) (2) |
6.0 mm (0.24 inch) (2) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Maximum drift |
| ( 3 ) | Material Handler |
Cylinder Speed - Check
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| "Cylinder Speed - Check" | ||||
|---|---|---|---|---|
| Status (1) | Description | Specifications (2) | Actual |
Comments |
| Boom Extension | 5.2 ± 0.2 | |||
| Boom Retraction | N/A | |||
| Boom Extension (3) | 5.2 ± 0.2 | |||
| Boom Retraction (3) | N/A | |||
| Stick Extension | 3.9 ± 0.2 | |||
| Stick Retraction | 2.8 ± 0.2 | |||
| Stick Extension (3) | 5.2 ± 0.2 | |||
| Stick Retraction (3) | 3.6 ± 0.2 | |||
| Bucket Extension | 2.5 ± 0.2 | |||
| Bucket Retraction | 1.6 ± 0.2 | |||
| VA Boom Extension | 4.5 ± 0.2 | |||
| VA Boom Retraction | 15.0 ± 0.2 | |||
| Stabilizer Extension | 4.7 ± 0.2 | |||
| Stabilizer Retraction | 5.0 ± 0.2 | |||
| Blade Extension | 2.3 ± 0.2 | |||
| Blade Retraction | 2.7 ± 0.2 | |||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Cylinder Operating Speed (seconds) |
| ( 3 ) | Material Handler |
Hydraulic System
ReferenceRefer to Testing & Adjusting, RENR1182 for more detail on the following tests.
Pilot System
Relief Valve (Pilot) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Pilot Relief Valve | 3100 to 3500 kPa (450 to 507 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Accumulator - Test and Charge
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Pilot accumulator gas charge pressure (2) | 1000 kPa (145 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Nitrogen gas pressure varies with the temperature. To obtain the most accurate nitrogen charge, the temperature of the accumulator must be identical to the air temperature around the accumulator. The specification is with an air temperature of 21 °C (70 °F). Refer to Testing and Adjusting, RENR1182, "Accumulator - Test and Charge" for additional charging pressure and temperature relationships. |
Pump System
Margin Pressure and Low Pressure Standby - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Standby system pressure | 2500 to 3000 kPa (360 to 435 psi) |
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| Margin pressure | 2000 to 2300 kPa (290 to 333 psi) |
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| Main pump pressure | 32500 to 33800 kPa (4710 to 4900 psi) |
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| Main pump pressure - Heavy Lift | 37000 to 38300 kPa (5365 to 5555 psi) |
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| Load sensing signal pressure | 30500 to 31500 kPa (4420 to 4565 psi) |
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| Load sensing signal pressure - Heavy Lift | 35000 to 36000 kPa (5075 to 5220 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Main Pump (Proportional Reducing Valve) - Test and Adjust for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments | ||
|---|---|---|---|---|---|---|
| No load | Load | |||||
| Main pump pressure (Proportional reducing valve) | Mode I | 1600 to 1700 kPa (230 to 245 psi) |
1420 to 1520 kPa (205 to 220 psi) |
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| Mode II | 1900 to 2000 kPa (275 to 290 psi) |
1750 to 1850 kPa (255 to 268 psi) |
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| Mode III | 2500 to 2600 kPa (360 to 375 psi) |
1950 to 2000 rpm | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Main Pump (Proportional Reducing Valve) - Test and Adjust for M318 S/N:8AL1853-UP
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| Status (1) | Description | Specifications | Actual | Comments | ||
|---|---|---|---|---|---|---|
| No load | Load | |||||
| Main pump pressure (Proportional reducing valve) | Mode I | 1600 to 1700 kPa (232 to 247 psi) |
-30 bits | |||
| Mode II | 1900 to 2000 kPa (276 to 290 psi) |
-30 bits | ||||
| Mode III | 2500 to 2600 kPa (363 to 377 psi) |
0 bits | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Main Pump (Destroke Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Destroke Pressure (2) | 14000 to 16000 kPa (2030 to 2320 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Use the 123-6471 Diagnostic Tool Gp or the M300 Technician to adjust the constant mode from 1770 kPa (257 psi). |
Main Control Valve System
Main Control Valve - Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Main Relief Valve (implement or travel) (4) | 36000 to 37000 kPa (5220 to 5365 psi) (2) |
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41000 to 43000 kPa (5947 to 6237 psi) (3) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 4 ) | If the machine is equipped with the "heavy lift option", the correct pressure specification is 40000 to 42000 kPa (5800 to 6090 psi) |
| ( 2 ) | for M318 S/N:8AL1-1852 |
| ( 3 ) | for M318 S/N:8AL1853-UP |
Relief Valve (Signal Limiter) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Signal Limiter Relief Valve pressure | 30500 to 31500 kPa (4420 to 4565 psi) |
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| Signal Limiter Relief Valve pressure - Heavy Lift | 35000 to 36000 kPa (5075 to 5220 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Line) - Test and Adjust (Implement) for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments | ||
|---|---|---|---|---|---|---|
| Line relief valve | Boom Cylinder | Head End (2) | 36000 to 38000 kPa (5220 to 5510 psi) |
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| Rod End | ||||||
| Stick Cylinder | Head End | |||||
| Rod End (2) | ||||||
| Bucket Cylinder | Head End | |||||
| Rod End | ||||||
| VA Boom Cylinder | Head End | |||||
| Rod End | 40000 to 42000 kPa (5800 to 6090 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | If the machine is equipped with the "heavy lift option", the correct pressure specification is 40000 to 42000 kPa (5800 to 6090 psi) |
Relief Valve (Line) - Test and Adjust (Implement) for M318 S/N:8AL1853-UP
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| Status (1) | Description | Specifications | Actual | Comments | ||
|---|---|---|---|---|---|---|
| Line relief valve | Boom Cylinder | Head End | 40000 to 42000 kPa (5800 to 6090 psi) |
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| Rod End | ||||||
| Stick Cylinder | Head End | 36000 to 38000 kPa (5220 to 5510 psi) |
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| Rod End | 40000 to 42000 kPa (5800 to 6090 psi) |
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| Bucket Cylinder | Head End | 40000 to 42000 kPa (5800 to 6090 psi) |
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| Rod End | ||||||
| VA Boom Cylinder | Head End | 36000 to 38000 kPa (5220 to 5510 psi) |
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| Rod End | 40000 to 42000 kPa (5800 to 6090 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Boom System
Control Valve (Boom Lowering) - Test and Adjust for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Lowering control valve pressure | 36000 to 38000 kPa (5220 to 5510 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Control Valve (Boom Lowering) - Test and Adjust for M318 S/N:8AL1853-UP
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Lowering control valve pressure | 40000 to 42000 kPa (5800 to 6090 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Pressure Switch (Overload Warning) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Overload Warning Pressure | 16000 kPa (2320 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Stick System
Control Valve (Stick Lowering) - Test and Adjust for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Lowering control valve pressure | 36000 to 37000 kPa (5220 to 5365 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Control Valve (Stick Lowering) - Test and Adjust for M318 S/N:8AL1853-UP
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Lowering control valve pressure | 40000 to 42000 kPa (5800 to 6090 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Swing System
Swing Pump Control (Mechanical Zero) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Swing charge pressure (pump) | 2000 to 2200 kPa (290 to 320 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Swing Pump Control (High Pressure Cutoff) - Test and Adjust for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Swing cutoff pressure | 31000 to 32000 kPa (4495 to 4640 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Swing Pump Control (High Pressure Cutoff) - Test and Adjust for M318 S/N:8AL1853-UP
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Swing cutoff pressure | 31000 to 32500 kPa (4495 to 4710 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Swing Brake Pressure - Test
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Swing Brake Pressure | 3000 to 3200 kPa (435 to 465 psi) (2) |
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3000 to 3100 kPa (435 to 450 psi) (3) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | for M318 S/N:8AL1-1852 |
| ( 3 ) | for M318 S/N:8AL1853-UP |
Solenoid Valve (Swing Pump Proportional Relief) - Test and Adjust for M318 S/N:8AL1-1852
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| Status (1) | Description | Specifications | Actual | Comments | |
|---|---|---|---|---|---|
| Swing pump pressure (Proportional relief valve) | Mode I | 1000 to 1050 kPa (145 to 150 psi) |
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| Mode II | 1600 to 1650 kPa (230 to 240 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Solenoid Valve (Swing Pump Proportional Relief) - Test and Adjust for M318 S/N:8AL1852-UP
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| Status (1) | Description | Specifications | Actual | Comments | |
|---|---|---|---|---|---|
| Swing pump pressure (Proportional relief valve) | Mode I | 1000 to 1050 kPa (145 to 150 psi) |
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| Mode II | higher than Mode I pressure by 35 bits | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Swing Charge Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Swing Charge Pressure | 2000 to 2200 kPa (290 to 320 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Swing Pump) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Line relief valve - Swing | 34000 to 35000 kPa (4930 to 5075 psi) (2) |
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34000 to 35500 kPa (4931 to 5149 psi) (3) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | for M318 S/N:8AL1-1852 |
| ( 3 ) | for M318 S/N:8AL1853-UP |
Travel System
Travel Motor (Stall Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Travel Motor (Stall Pressure) | 30500 to 31500 kPa (4420 to 4565 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Travel Motor (Upstroke Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Travel motor pressure (upstroke) | 25000 to 26000 kPa (3625 to 3770 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission (Parking Brake Reserve Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Parking brake reserve pressure | 1150 to 1250 kPa (165 to 180 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Steering and Brake Systems
Accumulator (Wheel Brake Charge Pressure) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Wheel brake accumulator gas charge pressure (2) | 4500 kPa (650 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | Nitrogen gas pressure varies with the temperature. To obtain the most accurate nitrogen charge, the temperature of the accumulator must be identical to the air temperature around the accumulator. The specification is with an air temperature of 21 °C (70 °F). Refer to Testing and Adjusting, "Accumulator - Test and Charge" for additional charging pressure and temperature relationships. |
Relief Valve (Steering) - Test
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Steering pressure | 18000 to 19500 kPa (2610 to 2830 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Work Tool Systems
Relief Valve (Medium Pressure Function) - Test and Adjust
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| Status (1) | Description | Specifications | Actual | Comments |
|---|---|---|---|---|
| Line relief valve | 20000 to 22000 kPa (2900 to 3190 psi) |
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| Relief valve | 17000 to 18000 kPa (2460 to 2610 psi) (2) |
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17000 to 18500 kPa (2460 to 2680 psi) (3) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
| ( 2 ) | for M318 S/N:8AL1-1852 |
| ( 3 ) | for M318 S/N:8AL1853-UP |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU6879, "Maintenance Interval Schedule" for more detail on performing S.O.S samples.
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| Status (1) | Description | Obtain | Comments | |
| Engine Oil Sample | ||||
| Engine Coolant Sample (Level II) | ||||
| Hydraulic Oil Sample | ||||
| Swing Drive Oil Sample | ||||
| Right Final Drive Oil Sample | ||||
| Left Final Drive Oil Sample | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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