Water Pump - Test
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| Tools Needed | ||
| Part Number | Part Name | Quantity |
| 6V-7775 | Air Pressure Gauge | 1 |
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| Illustration 1 | g02235576 |
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Right side of engine (1) Sampling valve (2) Adapter | |
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| Illustration 2 | g02237033 |
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Right side of engine (3) Quick disconnect fitting (4) Adapter | |
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Making contact with a running engine can cause burns from hot parts and can cause injury from rotating parts. When working on an engine that is running, avoid contact with hot parts and rotating parts. |
Perform the following procedure in order to determine if the water pump is operating correctly:
- Remove sampling valve (1) from adapter (2), if necessary.
- Install a quick disconnect fitting into adapter (2).
- Install the 6V-7775 Air Pressure Gauge onto the fittings.
- Start the engine. Run the engine until the coolant is at operating temperature.
- The water pump pressure should be at least
100 kPa (15 psi) at 1800 rpm.
Caterpillar Information System:
5110B Excavator, 24H Motor Grader, 69D, 769D, 773D, 773E, 776D and 777D Off-Highway Truck/Tractors, 771D, 775D and 775E Quarry Trucks and AD40 Series II, AD45 and AE40 II Underground Articulated Trucks Caterpillar Monitoring System MID 030 - CID 0826 - FMI 08
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