428D and 432D Backhoe Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Backhoe Loader:
- 428D (S/N: BMT1-UP)
- 432D (S/N: BLD1-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.
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 | 14 ± 1 VDC | Refer to Special Instruction, REHS0354, "Charging System - Test". | ||
| Electric Starting System Test | 6 to 8 V at −23° C (−10° F) to −7° C (19° F) |
Refer to Testing and Adjusting, SENR5816, "Electrical Starting System - Test". | ||
| 7 to 9 V at −7° C (19° F) to 10° C (50° F) |
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| 8 to 10 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) | ||||
| Freezing Point of Engine Coolant | ||||
| Conditioner Test of Engine Coolant | ||||
| Belt Tension | Refer to Operation and Maintenance Manual. | |||
| Difference between the Upper Radiator Tank Temperature and Lower Radiator Tank Temperature | ||||
| Jacket Water Inlet Temperature from Cooling System |
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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 |
|---|---|---|---|---|
| Minimum Pressure | 30 kPa (4.4 psi) |
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| Maximum Pressure | 42 to 70 kPa (6 to 10 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 | 280 kPa (40 psi) |
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| Engine Oil Pressure at High Idle | - |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Engine Speed at Low Idle | 950 ± 30 RPM | |||
| Engine Speed at High Idle | 2350 ± 40 RPM | |||
| Torque Converter Stall Test Engine RPM | ||||
| Cylinder Cutout Test | Cat® Electronic Technician (Cat ET) Service Tool | |||
| Engine Crankcase Pressure (Blowby) |
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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 |
|---|---|---|---|---|
| Torque Converter Stall Test Boost Pressure | ||||
| Cylinder # 1 Exhaust Temperature (2) | ||||
| Cylinder # 2 Exhaust Temperature (2) | ||||
| Cylinder # 3 Exhaust Temperature (2) | ||||
| Cylinder # 4 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
Refer to Testing & Adjusting, RENR3584, "Hydraulic and Steering System" for more detail on the following test.
Operational Checks
Drift Check for the Loader Cylinders, Backhoe Cylinders, Swing Cylinders, and Stabilizer Cylinders
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Loader Lift and Tilt Cylinders Drift Test | Minutes until maximum allowable drift of 6 mm (0.24 inch) at oil temperature of 38° to 48°C (100° to 119°F) is 5.0 mins |
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| Minutes until maximum allowable drift of 6 mm (0.24 inch) at oil temperature of 49° to 65°C (120° to 149°F) is 3.2 mins |
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| Minutes until maximum allowable drift of 6 mm (0.24 inch) at oil temperature of 66° to 81°C (150° to 178°F) is 1.7 mins |
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| Minutes until maximum allowable drift of 6 mm (0.24 inch) above oil temperature of above 81° C (178° F) is 1.1 mins |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Loader Lift Cylinder Drift Test | Minutes until maximum allowable drift of 12 mm (0.5 inch) at oil temperature of 38° to 48°C (100° to 119°F) is 5.0 mins |
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| Minutes until maximum allowable drift of 12 mm (0.5 inch) at oil temperature of 49° to 65°C (120° to 149°F) is 3.2 mins |
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| Minutes until maximum allowable drift of 12 mm (0.5 inch) at oil temperature of 66° to 81°C (150° to 178°F) is 1.7 mins |
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| Minutes until maximum allowable drift of 12 mm (0.5 inch) above oil temperature of above 81° C (178° F) is 1.1 mins |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Backhoe Boom, Bucket, and Stick Cylinders Drift Test | Minutes until maximum allowable drift of 10 mm (0.40 inch) at oil temperature of 38° to 48°C (100° to 119°F) is 5.0 mins |
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| Minutes until maximum allowable drift of 10 mm (0.40 inch) at oil temperature of 49° to 65°C (120° to 149°F) is 3.2 mins |
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| Minutes until maximum allowable drift of 10 mm (0.40 inch) at oil temperature of 66° to 81°C (150° to 178°F) is 1.7 mins |
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| Minutes until maximum allowable drift of 10 mm (0.40 inch) above oil temperature of above 81° C (178° F) is 1.1 mins |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Stabilizer Cylinders Drift Test | Minutes until maximum allowable drift of 1 mm (0.04 inch) at oil temperature of 38° to 48°C (100° to 119°F) is 5.0 mins |
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| Minutes until maximum allowable drift of 1 mm (0.04 inch) at oil temperature of 49° to 65°C (120° to 149°F) is 3.2 mins |
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| Minutes until maximum allowable drift of 1 mm (0.04 inch) at oil temperature of 66° to 81°C (150° to 178°F) is 1.7 mins |
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| Minutes until maximum allowable drift of 1 mm (0.04 inch) above oil temperature of above 81° C (178° F) is 1.1 mins |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Cylinder Drift Check for the Loader, Cylinder Speed Drift for the Backhoe, and Cylinder Drift Check for the Stabilizers for 428D S/N:BMT1-UP
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| Status (1) | Description | Specification | Actual | Comments | |
|---|---|---|---|---|---|
| Maximum Time for Loader Circuit on the Single Tilt Machine at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Bucket Dump | 2.9 | ||||
| Tilt Back Operation | 3.1 | ||||
| Opening the Clam Bucket | 1.5 | ||||
| Closing the Clam Bucket | 2.0 | ||||
| Bucket Raise in the Dumped Position | 4.5 | ||||
| Float in the Down Position and in the Dumped Position | 2.9 | ||||
| Maximum Time for Loader Circuit on the Parallel Lift Machine at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Bucket Dump | 3.0 | ||||
| Tilt Back Operation | 2.2 | ||||
| Regenerative Dump | 2.2 | ||||
| Opening the Clam Bucket | 1.5 | ||||
| Closing the Clam Bucket | 2.0 | ||||
| Bucket Raise in the Level Position | 5.1 | ||||
| Float in the Down Position and in the Level Position | 2.3 | ||||
| Maximum Time for Backhoe Circuit at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Bucket Dump | 1.8 | ||||
| Bucket Curl Cylinder from Stop to Stop | 2.5 | ||||
| Stick In | 3.3 | ||||
| Stick Out | 2.6 | ||||
| Swing from Stop to Stop | 3.2 to 7.2 | ||||
| Swing from Stop to Snubber | 3.0 to 3.7 | ||||
| Extending the Extendable Stick | 4.0 | ||||
| Retracting the Extendable Stick | 3.0 | ||||
| Boom Lower | 1.5 to 2.4 | ||||
| Pause Time for the Boom | .6 | ||||
| Boom Raise from the Ground to the Snubber | 2.6 | ||||
| Boom Raise from the Ground to the Stop | 3.6 | ||||
| Stabilizer Up | 4.0 | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Cylinder Drift Check for the Loader, Cylinder Speed Drift for the Backhoe, and Cylinder Drift Check for the Stabilizers for 432D S/N:BLD1-UP
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| Status (1) | Description | Specification | Actual | Comments | |
|---|---|---|---|---|---|
| Maximum Time for Loader Circuit on the Single Tilt Machine at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Float in the Down Position and in the Dumped Position | 2.3 | ||||
| Maximum Time for Loader Circuit on the Parallel Lift Machine at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Bucket Dump | 3.0 | ||||
| Tilt Back Operation | 2.2 | ||||
| Regenerative Dump | 2.2 | ||||
| Opening the Clam Bucket | 1.5 | ||||
| Closing the Clam Bucket | 2.0 | ||||
| Bucket Raise in the Level Position | 5.1 | ||||
| Float in the Down Position and in the Level Position | 2.3 | ||||
| Maximum Time for Backhoe Circuit at HIGH IDLE and Oil Temperature of minimum 49° C (120° F) (Time in seconds) |
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| Bucket Dump | 1.8 | ||||
| Bucket Curl Cylinder from Stop to Stop | 2.5 | ||||
| Stick In | 3.3 | ||||
| Stick Out | 2.6 | ||||
| Swing from Stop to Stop | 3.2 to 7.2 | ||||
| Swing from Stop to Snubber | 3.0 to 3.7 | ||||
| Extending the Extendable Stick | 4.0 | ||||
| Retracting the Extendable Stick | 3.0 | ||||
| Boom Lower | 1.5 to 2.4 | ||||
| Pause Time for the Boom | .6 | ||||
| Boom Raise from the Ground to the Snubber | 2.6 | ||||
| Boom Raise from the Ground to the Stop | 3.6 | ||||
| Stabilizer Up | 2.0 | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic and Steering System
Refer to Testing & Adjusting, RENR3584, "Hydraulic and Steering System" for more detail on the following test.
Hydraulic Pump - Test and Adjust
Low Pressure Standby Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Maximum system pressure at HIGH IDLE | 2850 ± 750 kPa (415 ± 110 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Margin Pressure Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Margin pressure at HIGH IDLE | 2200 ± 350 kPa (320 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
High Pressure Stall Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Pressure for STICK OUT Circuit at LOW IDLE | 22800 ± 700 kPa (3300 ± 100 psi) |
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| Pressure for STICK IN Circuit at LOW IDLE | ||||
| Pressure for STICK EXTEND Circuit (if equipped) at LOW IDLE | ||||
| Pressure for STICK RETRACT Circuit (if equipped) at LOW IDLE | ||||
| Pressure for Auxiliary Circuit (if equipped) at LOW IDLE | ||||
| Pressure for SWING Circuit at LOW IDLE | ||||
| Pressure for Backhoe BUCKET DUMP Circuit at LOW IDLE | ||||
| Pressure for Backhoe BUCKET CLOSE Circuit at LOW IDLE | ||||
| Pressure for BOOM RAISE Circuit at LOW IDLE | ||||
| Pressure for BUCKET DUMP Circuit (parallel lift machines) at LOW IDLE | 16200 ± 700 kPa (2350 ± 100 psi) |
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| Pressure for RACK BACK Circuit (parallel lift machines) at LOW IDLE | 22800 ± 700 kPa (3300 ± 100 psi) |
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| Pressure for BUCKET DUMP and RACK BACK Circuit (single tilt machines) at LOW IDLE | 15400 ± 800 kPa (2230 ± 120 psi) |
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| Pressure for LIFT Circuit at LOW IDLE | 22800 ± 700 kPa (3300 ± 100 psi) |
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| Pressure for BOOM LOWER Circuit at LOW IDLE | 15200 ± 700 kPa (2200 ± 100 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Line) - Test and Adjust
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| Line Relief Valve Pressure Setting | |||||
| Status (1) | Description | Specification | Actual | Comments | |
| Cylinder | Circuit | ||||
| Auxiliary for the Loader | Head End for the Auxiliary Cylinder | 24200 ± 350 kPa (3500 ± 50 psi) |
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| Loader Tilt Circuit for all other Single Tilt Machine | Rod End for the Dump Operation | 27600 ± 350 kPa (4000 ± 50 psi) |
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| Head End for the Tilt Back Operation | |||||
| Loader Tilt Circuit for Parallel Lift Machines | Rod End for the Tilt Back Operation | 27900 ± 350 kPa (4045 ± 50 psi) |
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| Head End for the Dump Operation | 16200 ± 350 kPa (2350 ± 50 psi) |
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| Backhoe Boom | Head End to LOWER | 15200 ± 350 kPa (2200 ± 50 psi) |
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| Rod End to RAISE | 29000 ± 350 kPa (4200 ± 50 psi) |
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| Backhoe Swing | Rod End to Swing LEFT | 22800 ± 350 kPa (3300 ± 50 psi) |
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| Rod End to Swing RIGHT | |||||
| Backhoe Bucket | Head End of the Bucket Cylinder | 27600 ± 350 kPa (4000 ± 50 psi) |
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| Rod End of the Bucket Cylinder | 28300 ± 350 kPa (4100 ± 50 psi) |
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| Backhoe Stick | Head End for retracting the Stick IN | 26900 ± 350 kPa (3900 ± 50 psi) |
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| Rod End for extending Stick OUT | 24800 ± 350 kPa (3600 ± 50 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Pilot System Pressure - Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Pilot System Pressure at HIGH IDLE | 3500 ± 450 kPa (500 ± 65 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Steering Priority) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Relief Valve Pressure at HIGH IDLE | 17250 ± 700 kPa (2500 ± 100 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Ride Control Accumulator - Test and Charge
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Ride Control Accumulator Pressure | 1860 ± 34.5 kPa (270 ± 5.0 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU7400, "Maintenance Interval Schedule" and Operation and Maintenance Manual, SEBU7401, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
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| Status (1) | Description | Obtain | Comments | |
|---|---|---|---|---|
| Engine Oil Sample | ||||
| Engine Coolant Sample (Level II) | ||||
| Hydraulic Oil Sample | ||||
| Transmission Oil Sample | ||||
| Front Right Final Drive Oil Sample | ||||
| Front Left Final Drive Oil Sample | ||||
| Rear Right Final Drive Oil Sample | ||||
| Rear Left Final Drive Oil Sample | ||||
| Front Axle/Diff Oil Sample | ||||
| Center Axle/Diff Oil Sample | ||||
| Rear Axle/Diff Oil Sample | ||||
| Transfer Case Oil Sample | ||||
| Brake Fluid Oil Sample | ||||
| Power Steering Oil Sample | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
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