Gear Pump (Hoist and Brake)
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Illustration 1 | g00513649 |
Rotation of the pump is clockwise when the pump is viewed from the drive end.
Type of pump: Gear
Bench test requirements: SAE 10W oil must be stabilized at 66°C (151°F) before the test is performed.
Drive End
Test at Full Speed:
- Output ... 361 L/min (95.4 US gpm)
- Test pressure ... 689 kPa (100 psi)
- Test speed of engine ... 2000 rpm
- Test speed of pump ... 2100 rpm
- Output ... 360 L/min (95.0 US gpm)
- Test pressure ... 6895 kPa (1000 psi)
- Test speed of engine ... 2000 rpm
- Test speed of pump ... 2100 rpm
- Test pressure ... 689 kPa (100 psi)
Test at Half Speed:
- Output ... 173 L/min (45.8 US gpm)
- Test pressure ... 689 kPa (100 psi)
- Test speed of engine ... 1000 rpm
- Test speed of pump ... 1050 rpm
- Output ... 172 L/min (45.4 US gpm)
- Test pressure ... 6895 kPa (1000 psi)
- Test speed of engine ... 1000 rpm
- Test speed of pump ... 1050 rpm
- Test pressure ... 689 kPa (100 psi)
Cover End
Test at Full Speed:
- Output ... 100 L/min (26.5 US gpm)
- Test pressure ... 689 kPa (100 psi)
- Test speed of engine ... 2000 rpm
- Test speed of pump ... 2100 rpm
- Output ... 97 L/min (25.5 US gpm)
- Test pressure ... 5516 kPa (800 psi)
- Test speed of engine ... 2000 rpm
- Test speed of pump ... 2100 rpm
- Test pressure ... 689 kPa (100 psi)
Test at Half Speed:
- Output ... 50 L/min (13.2 US gpm)
- Test pressure ... 689 kPa (100 psi)
- Test speed of engine ... 1000 rpm
- Test speed of pump ... 1050 rpm
- Output ... 45 L/min (12.0 US gpm)
- Test pressure ... 5516 kPa (800 psi)
- Test speed of engine ... 1000 rpm
- Test speed of pump ... 1050 rpm
- Test pressure ... 689 kPa (100 psi)
(1) Torque for eight bolts ... 228 ± 10 N·m (168 ± 7 lb ft)
(2) Torque for four nuts ... 115 ± 7 N·m (85 ± 5 lb ft)
Note: Assemble the shaft seals with the spring loaded member that is opposite each other.
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