432E Backhoe Loader TA2 Technical Inspection{0372, 1000, 7000, 753T, 7565}
- Backhoe Loader:
- 432E (S/N: JBA1-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, RENR2415, "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 |
|---|---|---|---|---|
| Fuel Pressure at LOW IDLE | 25 kPa (3.63 psi) |
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| Maximum Pressure at HIGH IDLE | 25 kPa (3.63 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 | ||||
| Engine Speed at High Idle | ||||
| 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, KENR8845, "Hydraulic and Steering System" for more detail on the following test.
Operational Checks
Maximum Implement Drift
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Maximum Implement Drift for Loader Lift Cylinder within 5 minutes | 12 mm (0.5 inch) |
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| Maximum Implement Drift for Loader Tilt Cylinder within 5 minutes | 12 mm (0.5 inch) |
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| Maximum Implement Drift for Loader Bucket Cylinder within 5 minutes | 12 mm (0.5 inch) |
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| Maximum Implement Drift for Stabilizer Cylinder within 5 minutes | 5 mm (0.2 inch) |
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| Maximum Implement Drift for Backhoe Boom Cylinder within 5 minutes | 10 mm (0.4 inch) |
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| Maximum Implement Drift for Backhoe Stick Cylinder within 5 minutes | 10 mm (0.4 inch) |
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| Maximum Implement Drift for Backhoe Extendable Stick Cylinder within 5 minutes | 10 mm (0.4 inch) |
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| Maximum Implement Drift for Backhoe Bucket Cylinder within 5 minutes | 10 mm (0.4 inch) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Maximum Cycle Time
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| Status (1) | Description | Specification | Actual | Comments | |
|---|---|---|---|---|---|
| Maximum Time for Loader Circuit (Time in seconds) | |||||
| Lower | 3.0 | ||||
| Raise (Ground to Stop) Parallel Tilt |
4.9 | ||||
| Bucket Open | 2.0 | ||||
| Bucket Close | 2.1 | ||||
| Bucket Dump Parallel Lift |
3.4 | ||||
| Bucket Rack Back Parallel Lift |
2.4 | ||||
| Maximum Cycle Time for Backhoe Circuit (Time in seconds) | |||||
| Boom Lower | 2.7 | ||||
| Boom Raise Ground to Snubber |
2.7 | ||||
| Bucket Dump | 2.0 | ||||
| Bucket Curl | 2.4 | ||||
| Stick In | 3.8 | ||||
| Stick Out | 3.4 | ||||
| Swing Stop to Snubber |
3.4 | ||||
| Extendable Stick Extending | 3.0 | ||||
| Extendable Stick Retracting | 2.8 | ||||
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic and Steering System
Refer to Testing & Adjusting, KENR8845, "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 |
|---|---|---|---|---|
| Low Standby Discharge Pressure at Engine Speed of 1200 rpm | 2600 to 4100 kPa (377 to 595 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 Engine Speed of 1200 rpm | 2200 to 2900 kPa (319 to 421 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Torque Limiter Test
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Flow for the Low Torque Setting | 60 to 80 L/min (16 to 21 US gpm) at 20000 ± 300 kPa (2901 ± 44 psi) |
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| Flow for the High Torque Setting | 125 to 155 L/min (33 to 41 US gpm) at 20000 ± 300 kPa (2901 ± 44 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System Pressure Tests
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Backhoe System Pressure (Double Stall) | 23800 to 26000 kPa (3452 to 3771 psi) |
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| Loader System Pressure (Double Stall) | 23800 to 26000 kPa (3452 to 3771 psi) |
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| Steering System Pressure (Stall) | 16800 to 19900 kPa (2437 to 2886 psi) |
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| Pilot System Pressure | 3000 to 3500 kPa (435 to 508 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 (2) Setting | ||||
| Status (1) | Description | Specification | Actual | Comments |
| Rod End for STICK OUT | 29000 kPa (4206 psi) |
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| Head End for STICK IN | 27000 kPa (3916 psi) |
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| Extendable Stick (if equipped) Rod End for RETRACT and Head End for EXTEND |
27000 kPa (3916 psi) |
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| Auxiliary for backhoe (if equipped) Head end and Rod end |
28000 kPa (4061 psi) |
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| SWING Swing LEFT Swing RIGHT |
27000 kPa (3916 psi) |
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| Backhoe BUCKET DUMP | 30000 kPa (4351 psi) |
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| Backhoe BUCKET CLOSE | ||||
| BOOM RAISE | 30000 kPa (4351 psi) |
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| BOOM LOWER | 16500 kPa (2393 psi) |
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| Loader Rod End for the Dump Operation | Single Tilt - 29000 kPa (4206 psi) |
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| Parallel Lift - 30000 kPa (4351 psi) |
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| Loader Head End for the Tilt Back Operation | Single Tilt - 24000 kPa (3481 psi) |
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| Parallel Lift - 16000 kPa (2321 psi) |
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| Auxiliary (if equipped) for the Loader Line valve for the Head End Port B |
24000 kPa (3481 psi) |
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| ( 2 ) | The line relief valves must be removed from the machine. |
| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Steering) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Steering Relief Valve Pressure at Engine Speed of 1200 rpm | 16800 to 19900 kPa (2437 to 2886 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Backhoe) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Backhoe Relief Valve Pressure at Engine Speed of 1200 rpm | 22800 kPa (3306.91200 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Loader) - Test and Adjust
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| Status (1) | Description | Specification | Actual | Comments |
|---|---|---|---|---|
| Loader Rod End for the Dump Operation (Single Tilt) at Engine Speed of 1200 rpm | 29000 kPa (4206 psi) |
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| Loader Rod End for the Dump Operation (Parallel Tilt) at Engine Speed of 1200 rpm | 30000 kPa (4351 psi) |
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| Loader Head End for the Tilt Back Operation (Single Tilt) at Engine Speed of 1200 rpm | 24000 kPa (3481 psi) |
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| Loader Head End for the Tilt Back Operation (Parallel Tilt) at Engine Speed of 1200 rpm | 16000 kPa (2321 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 |
|---|---|---|---|---|
| Low Setting | 2413 ± 120 kPa (350 ± 18 psi) |
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| High Setting | 5792 ± 290 kPa (840 ± 42 psi) |
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| ( 1 ) | N = Normal, M = Monitor, A = Action |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU8475, "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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