Waratah 620 - 622 - 622B Heads Drive Motor Heavy Equipment Parts Sauer Danfoss 11022237
Timberjack; Waratah;John Deere
151B0308
151B0309
151B0310
151B3510
151B3511
151B0369
151B3030
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Main Specification:
| Type | BMT 315 | BMT 400 | BMT500 | BMT 630 | BMT 800 | BMT 1000 |
| Geometric displacement (cm3 /rev.) | 326.3 | 410.9 | 523.6 | 629 | 801 | 990 |
| Max. speed (rpm) | cont. | 510 | 500 | 400 | 320 | 250 | 200 |
| int. | 630 | 600 | 480 | 380 | 300 | 240 |
| Max. torque (N·m) | cont. | 920 | 1180 | 1460 | 1660 | 1880 | 2015 |
| int. | 1110 | 1410 | 1760 | 1940 | 2110 | 2280 |
| peak | 1290 | 1640 | 2050 | 2210 | 2470 | 2400 |
| Max. output (kW) | cont. | 38 | 47 | 47 | 40 | 33 | 28.6 |
| int. | 46 | 56 | 56 | 56 | 44 | 40 |
| Max. pressure drop (MPa) | cont. | 20 | 20 | 20 | 18 | 16 | 14 |
| int. | 24 | 24 | 24 | 21 | 18 | 16 |
| peak | 28 | 28 | 28 | 24 | 21 | 18 |
| Max. flow (L/min) | cont. | 160 | 200 | 200 | 200 | 200 | 200 |
| int. | 200 | 240 | 240 | 240 | 240 | 240 |
| Weight (kg) | 31.8 | 32.6 | 33.5 | 34.9 | 36.5 | 38.6 |
How do I know if my hydraulic motor is bad?
Common Symptoms Of Hydraulic Pump Problems
- Unusual Sounds. Hydraulic pumps are designed to work quietly, but as parts wear down and seals deteriorate, you may begin to notice unusual noises. ...
- Interior & Exterior Leaks. Many hydraulic leaks occur inside the machine, with no exterior signs of a malfunction. ...
- Failing Seals.
What causes hydraulic motor failure?
Air and Water Contamination
Air and water contamination are the leading causes of hydraulic failure, accounting for 80 to 90% of hydraulic failures. Faulty pumps, system breaches or temperature issues often cause both types of contamination.
What will happen if there is air trapped in the hydraulic system?
Aeration occurs when air contaminates the hydraulic fluid. ... Other symptoms include foaming of the fluid and erratic actuator movement. Aeration accelerates degradation of the fluid and causes damage to system components through loss of lubrication, overheating and burning of seals.
Why is it important to bleed the air from a hydraulic system?
If any amount of air is present in the hydraulic system, as the pressure increases, the air compresses due to its compressible nature. This compressed air reduces the amount of force transmitted by the fluid into the hydraulic system. Hence, it is necessary to bleed out the air from a hydraulic braking system.
