"In advance" fuel Buick ignition switch has 5 gears, as shown. The different gear positions of the Buick Ignition Switch are as follows: 1. ACESSORY (position A-accessory): The ignition key is inserted from the B position. When rotated counterclockwise, it reaches the position A. When the engine is off, the ignition key is at This position will turn on the accessory power supply, and accessories such as the car stereo, windshield wiper, etc. will still be available. Note: The steering wheel is still locked at this time. 2. LOCK (position B - lock): The ignition key can only be inserted and withdrawn from the locked position. In this position, the ignition, steering wheel and shift lever are locked.
3.OFF (position C-closed): When the ignition key is in this position, the engine is off, but the steering wheel can be turned. The indicator light is off except on the indicator on the meter. You can push the vehicle or trailer in this position. 4. RUN (position D-operation): When the engine starts, the ignition key automatically returns to the RUN position, at which point the engine runs and the instrument works. 5.START (position E-start): This position turns on the starter.
Body vertical load. It is closely related to the weight distribution of the front and rear wheels and the driving state of the car. When the vehicle is stationary, the vertical load ratio of the front and rear wheels is determined only by the longitudinal position of the vehicle's center of gravity. When the vehicle is braking during running, inertia will move the center of gravity forward and the vehicle body will forwardly tilt, resulting in a vertical load ratio of the front wheel to the rear wheel. Large, that is, the front wheel load increases and the rear wheel load decreases, and the greater the braking deceleration, the larger the vertical load ratio of the front and rear wheels. The reduction of the rear wheel load speeds up the locking process of the two rear wheels. Therefore, the new “Wuling Light†model is equipped with a mechanical load-carrying proportioning valve in the rear brake pipe to eliminate the rear wheels resulting from excessive rear brake force. Locking problem. This should be the focus of inspections during maintenance.
The adhesion coefficient of the tire to the road surface. It is directly related to tread pattern wear, tire pressure, tire out-of-roundness, and road conditions. For example, if two tires on the same axis do not have the same air pressure, not only the adhesion of the tire itself to the road surface is affected, but also the camber angle of the wheel alignment system will change or be biased to one side. The resulting problem of brake runaway is also a minority.
The third factor in the brake deviation is the two wheels on the same axis, especially the braking forces generated by the left and right wheel brakes on the steering shaft are not equal. Which side of the car to go to the wrong side, according to the specific circumstances, as shown: Assume that the wheel braking force in the adhesion range, if the braking force of the left front wheel brake table 1TECH2 capture stored data item "-6" screen "-5" screen "-4" screen "-2" screen "0" screen Engine speed 7330 Setting idle 720768 IAC position 260 Ignition 1 signal 13.9V0 Fuel pump command Engaged engine operating time 00:01:0100:00:00 The verification of the method is very simple. Unplug the plug of the gas pump wiring harness. Connect a light bulb (usually a voltage meter of a multimeter) to the side of the harness. Turn the ignition key from “LOCK†to “OFF†and you will see. To indicate the bulb is shining.
The “delayed†oil supply general maintenance information seldom describes the operation of the petrol pump after the ignition is switched off. The actual situation is that, after the Buick vehicle is turned off, the power system control module (PCM) does not immediately control the stop of the petrol pump, but controls the petrol pump to continue running for about 2 seconds. This “delayed†oil supply guarantees the next time. When starting, the fuel system has enough oil pressure. The following method can be used to verify this control method: To find a Buick with a long driving range and a “puff†noise when the petrol pump is running, after the engine is turned off, the petrol pump can be heard running for about 2 seconds.
A typical idler can be seen below together with an indication of the individual components :
The improved sealing arrangement protects the bearing from dust and moisture, as well as other environmental contaminants. In addition, the quality of idlers also varies depending on the quality of the individual components and of the manufacturing process.
Conveyor idler Roller Structure
Idler roller consist of idler roller shell, shaft, bearing, bearing house, seals and axial clip etc.
1. Tube or shell. The Shells are made from steel tube with close tolerance ensuring smooth, Shock free and eccentricity free running with minimum dimensional run out, smallest rotating weight of rollers requires low horse power, thereby conserving power and energy due to lowest possible dynamic friction.
2. Seals should be multi labyrinth type to prevent ingress of dirt, air and moisture. The outer seal should be corrosion resistant.
3. Bearing housing are formed from strip steel deep pressed in automatic presses machine, this tolerance allowing a perfect match between the bearing and the relevant parts of the sealing.
4.Bearing. Large clearance C3/C4 serials deep groove ball bearings, reinforced cage with big rivet, thick inner ring and outer ring. usually use double sealed structure to improve the water and dust proof ability.
5. SHAFT: Shaft is formed from cold drawn round bar and calibrated to ISO to ensure precise assembling of bearing.
Main ball bearing for Conveyor Idler roller:
Series 60.., 62.., 63.., Open/ ZZ/2RS..
6200 Series - Light Series Ball Bearings – Balanced between space and load capacity
6300 Series - Medium Series Ball Bearings – Ideal for heavier load capacity applications
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