Wednesday, December 21, 2011

Trailer: Bosch and Valeo Com Terminal Alternators

This is a trailer for a training video produced by the Electrical Rebuilder's Association. The complete video is available to ERA members at: www.electricalrebuilders.org Bosch/Valeo Alternators with "Com" Terminals Basic Alternator Testing 4 minutes Included in this video: * "Com" terminal overview * Limp-in mode * Energizing the regulator * Residual field-draw test

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Saturday, December 17, 2011

Working at a Grocery Store

!±8± Working at a Grocery Store

When you first think of the people that work at your local grocery store you most likely first think of those young kids with their first jobs. You probably think of them first because they are the ones you see the most. You see them out in the rain trudging the shopping carts into the store. You also see them bagging all of your groceries in a somewhat gingerly manner. Or possibly you come to think of the younger kids first because working at a grocery store was your first job. But there are also other people who work at the grocery store as well.

Some people pick to work for a grocery store because they naturally like the work. They like working the point of sale theory and scanning in their customers' purchases. Or possibly they naturally like the work because it is mindless and doesn't take much attempt on their part. Some people who work at grocery market are retired and naturally want a place where they can go to get some adult conversation. Other people work at the grocery store naturally to make ends meet when they couldn't find a job in any place else. A grocery store is a great place to look for a job naturally because the turnaround seems to be pretty high. It seems like there is a new flier on the grocery store door every week advertising for a new job because somebody had left. A grocery store is a great place for someone to look for a job who already knows how to work the pos system.

If you are thinking about manufacture a work out of working at a grocery store, then that is an selection too. It seems as though most of the cashier's that work at the local market have work there forever since we all know their faces so well. If you were to get a job as a helper clerk bagging groceries and lugging those carts in day in and day out you might just find yourself getting promoted one day. If you come to work on time and have a great attitude, you could wind up working in the deli or bakery sections. If you have success in one of these departments you might just find yourself becoming the boss of the department. If you have great success at that position, you could even find yourself becoming boss of the whole store. There are abundance of opportunities for advancement in the grocery store system. So if you are finding for a job in which you won't have to spend too many years sitting in front of a point of sale terminal, then working at a grocery store could be perfect for you. Just ask a amiable cashier for a job application today!


Working at a Grocery Store

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Thursday, December 15, 2011

Electrical Troubleshooting for Stairmaster

!±8± Electrical Troubleshooting for Stairmaster

Stairmaster 4600, 4400, & 4000PT stairclimbers, among the most popular exercise machines sold on the market today, have three electrical components that are responsible for most troubleshooting calls. The Alternator, Diode, and the resistor are the heart and soul of the Stairmaster 4600/4400PT stairclimber and often cause resistance levels to drop creating performance problems.

Tools Needed:

7/16", 3/8", & 1/4" nut drivers. 4" piece of wire with alligator clips attached to each end, and a multi-meter,

Symptom:

The Stairmaster loses all resistance when you step onto the pedals.

Alternator Test:

First, remove the machine from its power source. Then remove the side panels so you have a clear view of the alternator. On the back of the alternator, remove the black wire from the terminal B+ (marked POS). Remove the brown wire from the field terminal. You will need a length of wire 4" long with alligator clips attached to each end of the wire. Attach the wire to the B+ (POS) terminal and the field terminal, step on the machine for 10-15 seconds; if full resistance is present, the alternator has correct current flow. If no resistance is present, the next item to check is the alternator brushes. The brown square plate with two machine screws is the cover to the brushes. Remove the two machine screws with a ¼" nut driver and remove the alternator brushes. There should be ¼" or more of brush, any less and the alternator brushes should be replaced first. If the proper amount of brush is available, replace the alternator.

Diode Test:

Remove the brown wire and diode from the field terminal of the alternator and set the multi-meter to the Ohms setting. Place one lead on each end of the diode, and then reverse the leads. A good diode will indicate a high reading in one direction and a lower reading in the opposite direction. Replace the diode if both readings are high or if both readings are low.

Resistor Test:

Remove one wire from the load resistor and place one lead from the multi-meter, one each threaded post on the resistor. If the multi-meter does not read 0.5 Ohms, replace the resistor. As with any maintenance procedures always consult your owners' manual or seek the advice of a qualified repair technician.


Electrical Troubleshooting for Stairmaster

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