1989-Montero · Рулевое управление с усилителем · страница 13 из 40 · Открыть оригинал PDF ↗
OIL PRESSURE SWITCH CHECK <Vehicles with an automatic transmission> NlIIFuMa
1. Disconnect the pressure hose from the oil pump, and then
connect the special tools.
2. Bleed the air, and then turn the steering wheel several
times while the vehicle is not moving so that the
temperautre of the fluid rises to approximately
50-6O”C( 122-140°F).
3. The engine should be idling.
4. Disconnect the connector for the oil pressure switch, and
place an ohmmeter in position.
5. Gradually close the shut-off valve of the pressure gauge
and increase the hydraulic pressure then check whether
the hydraulic pressure that activates the switch is the
standard value.
Standard value: 1.5-2.0 MPa (213-284 Ibs.)
6. Gradually open the shut-off valve and reduce the hydraulic
pressure: then check whether the hydraulic pressure that
deactivates the switch is the standard value.
Standard value: 0.7-1.2 MPa (100-171 Ibs.)
7. Remove the special tools, and then tighten the pressure
hose to the specified torque.
8. Bleed the system.
STEERING WHEEL CENTERING SIMPLIFIED STEERING WHEEL CENTERING
NIFNAB
DETERMINING STEERING WHEELS OFF CENTER
1. For the road test, take along chalk or tape and a ruler.
2. Drive straight ahead on an uncambered level surface.
3. When the vehicle’s wheels are pointing straight ahead,
mark the steering wheel hub and column cover with a
chalk or tape line.
4. Stop the vehicle and line up the marks on the hub and
column cover.
5. Place a tape strip or mark on the steering wheel rim.
6. Hold a ruler next to the rim as shown in the illustration,
and centered position.
7. Record the distance the strip or mark on the rim has
moved. This is how far the steering wheel is off center. If it
is more than 16 mm (5/8 in.) of center, it can be centered
by indexing it ten degrees towards the center.
INDEXING STEERING WHEEL TO CENTER IT
The steering wheel shaft has 36 splines, allowing the steering
wheel to be indexed in ten-degree increments.
1. Remove the steering wheel.
2. Without disturbing the position of the steering wheel
shaft, re-install the wheel as near on-center as possible.
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