Gear Pump (Hoist and Rear Brake Cooling) - Single Section
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Illustration 1 | g00122987 |
Rotation of the pump is counterclockwise when the pump is viewed from the drive end.
Bench test requirements: SAE 10W oil must be stabilized at 65°C (150°F) before the test is performed.
Test at Full Speed:
- Output ... 115.6 L/min (30.5 US gpm)
- Test pressure ... 690 kPa (100 psi)
- Test speed of engine ... 1840 rpm
- Test speed of pump ... 1750 rpm
- Output ... 110.7 L/min (29.2 US gpm)
- Test pressure ... 6900 kPa (1000 psi)
- Test speed of engine ... 1840 rpm
- Test speed of pump ... 1750 rpm
- Test pressure ... 690 kPa (100 psi)
Test at Half speed:
- Output ... 57.2 L/min (15.1 US gpm)
- Test pressure ... 690 kPa (100 psi)
- Test speed of engine ... 920 rpm
- Test speed of pump ... 875 rpm
- Output ... 50.4 L/min (13.3 US gpm)
- Test pressure ... 6900 kPa (1000 psi)
- Test speed of engine ... 920 rpm
- Test speed of pump ... 875 rpm
- Test pressure ... 690 kPa (100 psi)
(1) Assemble the shaft seals so that the spring-loaded surfaces are opposite each other.
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