Ditch Witch JT40, Operator'S Manual

Page: 157 / 253

Systems and Equipment - 156
JT40/JT40 All Terrain Operator’s Manual
Electric Strike System
Use Electric Strike Simulator
Use the Electric Strike Simulator (p/n 259-506) to test voltage and current sensors on ESID. If readings are
less than indicated here, replace 9V battery in simulator and retest. If readings are still less than indicated,
contact your Ditch Witch
®
dealer to have ESID repaired before drilling.
Current Test
To test for current at normal levels:
1. Thread one lead wire through current transformer.
2. Clip ends of lead wires together to make one loop.
3. Select ESID menu on upper display.
4. Move simulator switch to "current" and press test button.
5. Watch display on upper display.
• ESID bar graph should show 1/2 scale on display.
• ESID % and Current "AMPS" should show 30% or higher in display.
To test for current at strike levels:
1. Put two or three loops through current transformer.
2. Follow steps above to test.
3. Display should show the following:
With two loops,
• Current "AMPS" should be 80% or higher.
• Strike indication might go on and off.
With three loops,
• Current should be 130% or higher.
• Strike indication should be continuous.