Quietpact 40G Diagnostic Repair Manual Model 4700 - Generac Parts

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Section 6 TROUBLESHOOTING FLOWCHARTS Page 34
Problem 10 - 7.5A (F1) Fuse Blowing Section 6 TROUBLESHOOTING FLOWCHARTS INSTALL NEW 7.5 AMP FUSE FUSE BLOWS UPON INSTALLATION CHECK THAT FUSE HOLDER IS NOT GROUNDED PASS FAIL REPLACE HOLDER DISCONNECT WIRE 15 AT J3 TERMINAL FROM ENGINE CONTROLLER CIRCUIT BOARD. DOES FUSE BLOW? NO REPLACE ENGINE CONTROLLER CIRCUIT BOARD YES FUSE IS GOOD BUT BLOWS WHEN START / STOP SWITCH IS PRESSED CHECK WIRE 15 FOR SHORTTO GROUND CHECK REMOTE HARNESS WIRE 15 FOR SHORTTO GROUND TEST 16 - CHECK BATTERY CHARGE RECTIFIER DISCONNECT WIRE 14 AT J2 TERMINAL ON ENGINE CONTROLLER CIRCUIT BOARD AND CHECK WIRE 14 FOR SHORT TO GROUND. IS CONTINUITY PRESENT? NO YES PERFORM RESISTANCE TESTS ON FUEL PUMP, FUEL SOLENOID, CHOKE HEATER AND REMOTE HARNESS WIRE 14 (SEE * BELOW). ALSO CHECK WIRE 14 TO EACH COMPONENT FOR SHORTTO GROUND. * CHECK FOR CONTINUITY TO FRAME GROUND. CONNECT ONE TEST LEAD TO THE POSITIVE WIRE FOR EACH COMPONENT. CONNECT THE OTHER TEST LEAD TO FRAME GROUND. RESISTANCE SHOULD BE MEASURED.IF CONTINUITY “0” IS MEASURED TO GROUND, THAT COMPONENT OR WIRE IS SHORTED. ALSO, REFER TO THE INDIVIDUAL TESTS FOR EACH COMPONENT IN SECTION 7, UNDER “PROCEDURE - SHORTTO GROUND.” REPLACE COMPONENT OR WIRE CHECK CHOKE SOLENOID AND STARTER CONTACTOR STARTER CONTACTOR PIN LOCATION J1-1 TEST TO GROUND CHOKE SOLENOID PIN LOCATION J1-2 TEST TO GROUND FAIL FAIL CHECK WIRE 56 SHORTTO GROUND CHECK WIRE 90 SHORTTO GROUND REPAIR OR REPLACE COMPONENT OR WIRE Page 35
Page 1 and 2: diagnostic repair manual ® QuietPa
Page 3 and 4: Table of Contents Safety ..........
Page 5 and 6: Section 1 GENERATOR FUNDAMENTALS Ma
Page 7 and 8: Section 1 GENERATOR FUNDAMENTALS Fi
Page 9 and 10: Section 2 MAJOR GENERATOR COMPONENT
Page 11 and 12: Section 2 Major Generator Component
Page 13 and 14: Section 3 Insulation Resistance Tes
Page 15 and 16: Section 4 MEASURING ELECTRICITY Met
Page 17 and 18: Section 4 MEASURING ELECTRICITY Ele
Page 19 and 20: Section 5 ENGINE DC CONTROL SYSTEM
Page 27 and 28: The “Flow Charts” in this secti
Page 29 and 30: Section 6 TROUBLESHOOTING FLOWCHART
Page 35: Section 6 TROUBLESHOOTING FLOWCHART
Page 39 and 40: Section 7 DIAGNOSTIC TESTS 3. Start
Page 41 and 42: Section 7 DIAGNOSTIC TESTS PROCEDUR
Page 43 and 44: Section 7 DIAGNOSTIC TESTS Test 9 -
Page 45 and 46: Section 7 DIAGNOSTIC TESTS Test 15
Page 47 and 48: Section 7 DIAGNOSTIC TESTS b. Actua
Page 49 and 50: Section 7 DIAGNOSTIC TESTS RESULTS:
Page 51 and 52: Section 7 DIAGNOSTIC TESTS Short to
Page 53 and 54: Section 7 DIAGNOSTIC TESTS or an ex
Page 55 and 56: Section 7 DIAGNOSTIC TESTS (Connect
Page 57 and 58: Section 7 DIAGNOSTIC TESTS CHECKING
Page 59 and 60: Section 7 DIAGNOSTIC TESTS 1 3 0 2
Page 61 and 62: Section 7 DIAGNOSTIC TESTS Test 39
Page 63 and 64: Section 7 DIAGNOSTIC TESTS Short to
Page 65 and 66: Section 8 ASSEMBLY Enclosure/Panels
Page 67 and 68: Section 9 Exploded Views ITEM QTY.
Page 87 and 88:
Section 9 Exploded Views ITEM QTY.
Page 89 and 90:
Section 10 SPECIFICATIONS & CHARTS
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Section 11 ELECTRICAL DATA Electric
Page 98:
Part No. 0E1881 rev. C / Printed in
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Quietpact 40G Diagnostic Repair Manual Model 4700 - Generac Parts

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