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Skyjack SJ4726 Service Manual

Skyjack SJ4726
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SJ3220, SJ3226, SJ4720, SJ4726, SJ4732 223198ABA
3.33 Hydraulic Schematics - SJ4720/26/32 AS/KC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.34 Telematics Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
3.35 Electrical Schematic - SJ3220, SJ4726/32 - All Option (ANSI/CSA) . . . . . . . . . . . . . . . . . . . . . . . . . .83
3.36 Electrical Schematic - SJ3226 - All Option (ANSI/CSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
3.37 Electrical Schematic - All Option (CE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
3.38 Electrical Schematic - All Option (AS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
3.39 Electrical Schematic - All Option (KC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
3.40 Electrical Schematic - SJ4726 - ACPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Section 4 – Troubleshooting Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
4.2 Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
42-1 All Controls Inoperative 95
42-2 All Controls Except for Down Function Inoperative 97
42-3 All Controls Inoperative From Base Control Console 98
42-4 No Up Function from Base Control Console 99
42-5 No Down Function from Base Control Console  100
42-6 No Emergency Down Function from Base Control Console*                            101
42-7 All Controls Inoperative From Platform Control Console 102
42-8 No Up Function from Platform Controls (ANSI/CSA, CE, and AS) 105
42-9 No Up Function from Platform Controls (KC) 106
42-10 No Down Function from Platform Controls 108
42-11 Right Steer Inoperative 109
42-12 Left Steer Inoperative 109
42-13 Forward Drive Function Inoperative 110
42-14 Reverse Drive Function Inoperative 111
42-15 No Drive or Steer when Platform Elevated 113
42-16 High/Low Torque Inoperative 113
42-17 Pressure Transducer PT1 Inoperative 114
42-18 Angle Transducers AT1 and/or AT2 Inoperative 115
42-19 Power Deck Inoperative (if Option is installed) 115
4.3 Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
43-1 All Functions Inoperative 117
43-2 All System Sluggish 117
43-3 Platform Drifts Down 117
43-4 Platform Lifts Slowly 117
43-5 Platform Does Not Lift 117
43-6 Platform Will Not Lower 118
43-7 Platform Drives Slow 118
43-8 Platform Will Not Drive in Forward or Reverse 118
43-9 Brake(s) will not Release (Pin Brakes)  118
43-10 Brake(s) will not Release (Wet Brakes) 119
43-11 MEWP will not hold on a Grade (Wet Brakes) 119

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Skyjack SJ4726 Specifications

General IconGeneral
BrandSkyjack
ModelSJ4726
CategoryScissor Lifts
LanguageEnglish

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