 | |
| Illustration 1 | g01021202 |
Note: The following specifications are for a bench test. The specifications for a pump that is tested on the machine may be different.
The rotation of the shaft is clockwise when the rotation of the shaft is viewed from the drive end.
When you perform the test, use SAE 10W at 65°C (150°F).
Test at full speed:
- Output ... 40.5 L/min (10.70 US gpm)
- Pressure ... 690 kPa (100 psi)
- Pump speed ... 2200 rpm
- Engine speed ... 2200 rpm
- Pressure ... 690 kPa (100 psi)
- Output ... 39.7 L/min (10.49 US gpm)
- Pressure ... 6900 kPa (1000 psi)
- Pump speed ... 2200 rpm
- Engine speed ... 2200 rpm
- Pressure ... 6900 kPa (1000 psi)
Test at half speed:
- Output ... 20.3 L/min (5.36 US gpm)
- Pressure ... 690 kPa (100 psi)
- Pump speed ... 1100 rpm
- Engine speed ... 1100 rpm
- Pressure ... 690 kPa (100 psi)
- Output ... 19.9 L/min (5.26 US gpm)
- Pressure ... 6900 kPa (1000 psi)
- Pump speed ... 1100 rpm
- Engine speed ... 1100 rpm
- Pressure ... 6900 kPa (1000 psi)
(1) Torque for four screws ... 23 ± 2.0 N·m (17 ± 1.5 lb ft)
(2) Pump Control valve for the axle suspension pump
(3) Torque for the guide pin ... 9.5 ± 1.5 N·m (85 ± 13 lb in)
Prior to assembly, apply 4C-4030 Thread Lock Compound to the threads of guide pin (3) .
(4) 4T-1916 Spring
- Test length ... 42.06 mm (1.656 inch)
- Test force ... 65.0 ± 6.5 N (15 ± 1.5 lb)
- Free length after test ... 54.1 mm (2.13 inch)
- Outside diameter ... 18.42 mm (0.725 inch)
- Test force ... 65.0 ± 6.5 N (15 ± 1.5 lb)
(7) 9T-4541 Spring
- Test length ... 24.2 mm (0.95 inch)
- Test force ... 315 ± 32 N (71 ± 7 lb)
- Free length after test ... 41.17 mm (1.621 inch)
- Outside diameter ... 27.76 mm (1.093 inch)
- Test force ... 315 ± 32 N (71 ± 7 lb)
(8) Torque for four bolts ... 38 ± 4 N·m (28 ± 3 lb ft)
(A) Depth of needle bearing (6) ... 0.80 ± 0.40 mm (0.032 ± 0.016 inch)
Note: The bearing must be installed with the numbered end outward.
(B) Depth of needle bearing (5) ... 1.96 ± 0.38 mm (0.077 ± 0.015 inch)
Note: The bearing must be installed with the numbered end outward.
4T-1909 Pump Control Valve
 | |
| Illustration 2 | g00013108 |
Pressure setting of the pump control valve ... 16000 ± 345 kPa (2300 ± 50 psi)
(1) 3G-5423 Spring
- Test length ... 34.11 mm (1.343 inch)
- Test force ... 560 ± 60 N (125 ± 13 lb)
- Free length after test ... 39.80 mm (1.567 inch)
- Outside diameter ... 16.08 mm (0.633 inch)
- Test force ... 560 ± 60 N (125 ± 13 lb)
(2) Torque for nut ... 9 ± 1 N·m (80 ± 9 lb in)
Note: When you tighten nut (2), hold setscrew (3) .