Guardian 4389 Diagnostic Repair Manual

Diagnostic Repair Manual for Guardian 4389 Inverter, Portable Generator (151 pages)

Specifications:

371/371279-4389.pdf file (05 Mar 2024)
  • Manufacturer: Guardian
  • Category of Device: Inverter, Portable Generator
  • Document: 4389, File Type: PDF Diagnostic Repair Manual
  • Updated: 05-03-2024
  • Count of Pages: 151
Download 4389 Manual (151 pages)

Read PDF Document Online:

Data: UPD 5th March 2024

Guardian 4389 Inverter, Portable Generator PDF Diagnostic Repair Manual (Updated: Tuesday 5th of March 2024 10:41:55 PM)

Rating: 4.6 (rated by 7 users)

Compatible devices: 004583-0, 4721, 02010-2, 04164-3, 4451 & 4986, 004988-4, 05650, 04389-3, 005348-0.

Recommended Documentation:

Text Version of Guardian 4389 Inverter, Portable Generator Manual (Summary of Contents)

(Ocr-Read of Guardian 4389 Document (Main Content), UPD: 05 March 2024)
  • 111, SECTION 4.4 DIAGNOSTIC TESTS PART 4 4. Tighten both mounting screws. 5. To remove the thickness gauge, rotate the flywheel. 6. Repeat the above procedure for the second magneto. Figure 23. Setting Ignition Magneto (Armature) Air Gap 7. Repeat Test 55 and check for spark across the spark tester …

  • 67, SECTION 3.4 DIAGNOSTIC TESTS PROCEDURE: 1. Make sure that all main line circuit breakers in the utility line to the transfer switch are “On” or “Closed.” 2. Test for utility source line-to-line voltage across terminal lugs N1 and N2 (see Figure 1). Normal utility source voltage should be …

  • 77, SECTION 4.2 OPERATIONAL ANALYSIS PART 4 DC CONTROL Page 4.2-1 Figure 1. Circuit Condition - Utility Source Voltage Available INTRODUCTION This "Operational Analysis" is intended to familiarize the service technician with the operation of the DC control system on prepackaged units w…

  • 42, SECTION 2.4 DIAGNOSTIC TESTS AC GENERATORS RESULTS: 1. If the resistance reading is correct, check your VOM meters fuse and repeat Test 4. 2. If INFINITY is measured on your VOM meter, go to Test 9. TEST 9 - CHECK BRUSHES AND SLIP RINGS DISCUSSION: The function of the…

  • 100, Guardian 4389 SECTION 4.4 DIAGNOSTIC TESTS 7. Connect the positive (+) test lead to the AUTO-OFF- MANUAL switch Terminal 4, Wire 17/178. Connect the negative (-) test lead to a clean frame ground. Battery voltage should be measured. 8. Connect the positive (+) test lead to Pin location 11, wire 17 at the…

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