The ISC motor toggles back and forth at closed throttle on an overhead valve V8 with DI ignition. A permanent magnet sensor inside the distributor is used to generate the rpm signal. Technician A says that a loose timing chain may be causing the problem. Technician B says that the problem may be the result of a worn distributor shaft gear. Who is right?
What will be an ideal response?
Both A and B
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What are some of the dangers of stopping mid-repair to wait on parts?
What will be an ideal response?
____________________ push buttons combine the operation of a selector switch and push button in the same unit.
Fill in the blank(s) with the appropriate word(s).
?What is an important advantage of simple casting?
A. ?material costs are relatively low B. ?dimensional accuracy is excellent C. ?additives used are safe D. ?cycle time is short
Answer the following statement(s) true (T) or false (F)
1. Allen-Bradley offers two types of counters: up counters (CTU) and down counters (CTD). 2. By only having one counter file, the MicroLogix 1000 is limited to 64 counters (counters 0 through 63). 3. Timers can be combined with counters when it is necessary to extend the time of the timer beyond its normal limits. 4. The same CU, CD, DN, OV, and UN bits are available on the Logix5000 counters as was available on the other Allen-Bradley counters. 5. If the accumulated value should exceed the upper limit, the overflow bit (OV) will be set and the counter then rolls over to -2,147,483,647 and begins counting up again.