Advanced Marine Electrics and Electronics Troubleshooting A Manual for Boatowners and Marine Technicians
A simple cable voltage drop test, performed by attaching the leads to each end of any circuit. It will definitively isolate exc ...
24 electrical systems troubleshooting First, you enter some basic information, such as whether the battery is in or out of the “ ...
technology to determine battery condition, only with a more sophisticated algorithm pro- grammed to its internal microprocessor. ...
5-minute discharged battery test, either before or after recharging the battery. At the end of the testing, the inTELLECT EXP-10 ...
that its measurement range (up to 700 amps) is not enough to capture starter current draw on some modern medium and large marine ...
have previously established a baseline for the circuit, as with cranking amps Normal figures for older, noncomputer- ized engine ...
testing batteries, charging systems, and starter circuits 29 system test by pressing the “Next” key after the starter circuit te ...
The values given in Table 2-3 are approxi- mate, and actual current draw will vary based on specific equipment. It’s always best ...
testing batteries, charging systems, and starter circuits 31 Turn on critical electrical loads as specified by ABYC Standard E-1 ...
32 electrical systems troubleshooting Decision Action NO PROBLEMS The system is showing normal output from the alternator. No pr ...
If you use the optional amp clamp, the unit will display alternator output in amps, both loaded and unloaded. This information i ...
depending upon where you place the leads. The readout identifies the voltage drop in the positive and negative sides of the circ ...
Limitations of the inTELLECT EXP-1000 Despite the inTELLECT EXP-1000’s tremen- dous capabilities, it does have some minor limita ...
but I believe you will benefit from seeing the capabilities of the specific models shown here as these types of instruments are ...
Testing Continuity and Tracing Circuits T wo of the most time-consuming tasks for marine troubleshooters are finding breaks in l ...
$60 to $100 range. TDRs, on the other hand, are not quite as basic. The alphanumeric unit described in this chapter costs about ...
testing continuity and tracing circuits 39 fuses bus bar alligator clips positive negative For this example, connect the transmi ...
Alphanumeric Time Domain Reflectometer The TDR has been around for some time. Widely used by the military, computer net- work te ...
Determining the VOP Value For this example, we are using the AEMC Fault Mapper’s method to determine VOP, but the steps will be ...
1 Determine the cable’s VOP using Table 3-1 and enter it into the TDR. 2 Connect the two leads to both conduc- tors at one end o ...
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