Komatsu 830E Shop Manual page 118

Hide thumbs Also See for 830E:

Table of Contents

Electric shock can cause serious or fatal injury. Only qualified electrical mainte-

nance personnel should perform electrical testing

This system is capable of causing physical harm. Use caution during test proce-

dures to protect personnel from injury.

All potential testing should be considered hazardous. Proper precautions are nec-

Any time one of the plug-in circuit cards must be removed or reinstalled, be cer-

tain the control power switch is "OFF". When removing a G.E. Propulsion system

circuit board, a grounding strap should be worn to dissipate static electrical

Extreme care should be exercised to prevent damage to the various semi-conduc-

tor devices and low impedance circuits under test. When using an ohmmeter to

check diodes, transistors and low power conductors, care must be used when

using the X1 scale. Excessive current can damage meter.

Check wiring and cables for proper routing, clamping and termination.

Chapters

Table of Contents