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REPAIR  GUIDELINE 

String Trimmer_ST1300E 

Version: 1 

Issue Date: 02//2016 

Summary of Contents for ST1300E

Page 1: ...REPAIR GUIDELINE String Trimmer_ST1300E Version 1 Issue Date 02 2016...

Page 2: ...Table of Contents 2 NO Contents Page 1 Troubleshooting 3 2 Tool list 4 3 Part 1 Replace the motor assembly 5 26 4 Part 2 Replace the PCBA 27 37...

Page 3: ...Motor is burned Motor If the cables are well connected check the motor and test with a new motor PCBA is broken PCBA in rear housing If the cables are well connected and motor is functional replace th...

Page 4: ...For Repair 4 NO Tool List SPEC Remark 1 Magnetic bits 1 2 phillips 2 Socket wrench 13mm 3 Hex wrench M5 4 Electric soldering iron 5 Heat gun 6 Heat shrinkable sleeves 7 Scissor To remove the shrinkab...

Page 5: ...5 Part 1 Replace the Motor Assembly...

Page 6: ...mer 2 Loosen the two combination screws in the guard with the M5 hex wrench remove the guard from the shaft base Description Part Number Guard assembly 2824273001 Combination screws 5620526001 Replace...

Page 7: ...retainer Spool 3 Press the two release tabs on the trimmer head base pull the spool and spool retainer out 7 Replace the Motor Description Part Number Spool 2824055002 Spool Retainer 2824019002 Releas...

Page 8: ...l it straight out Remove the bump knob compression spring and washer from the trimmer head base Description Part Number Bump Knob 2824022001 Compression Spring 3660582001 Washer 5650349002 PULL Compre...

Page 9: ...9 Replace the Motor 5 Wear gloves and hold the trimmer head base with one hand use a 13mm manual socket wrench to turn the hexagon nut counterclockwise to loosen it Hexagon nut...

Page 10: ...base and pull it straight out from the motor shaft remove the flange from the base Description Part Number Outer Flange 3520800001 Hexagon Nut 5630271001 Trimmer Head Base 2824082003 Hexagon nut Trim...

Page 11: ...24421001 Spool spool retainer bump knob compression spring washer trimmer head base hexagon nut Shield Cover 3127655001 Screw 5610059007 Washer 5650396003 7 Loosen the three screws on the shield cover...

Page 12: ...ring pins may be remained in the right housing If the rear housing set need replacing take down the pins and assemble them to the new housing 12 Description Part Number Qty Tapping Screw 5610032004 11...

Page 13: ...ing ring take out the shaft from the housings 13 Description Part Number Qty Fixed Ring 3705178001 1 Plain Washer 5650005002 1 Tapping Screw 5610032004 1 Internal Cable Assembly 4860300002 1 Replace t...

Page 14: ...move the heat shrinkable sleeves from the connectors with a scissor 11 Move the transparent sleeves aside and pull the connectors to separate 14 Replace the Motor Transparent sleeve Heat shrinkable sl...

Page 15: ...15 12 Take out the motor from the motor housing 13 Remove the heat shrinkable sleeves from the cables and disconnect the cables Replace the Motor Motor housing Motor...

Page 16: ...inkable sleeves through the cables Connect the cables by electric soldering iron Correct connection Black to black white to white green to blue Replace the Motor Description Part Number Qty Motor Hous...

Page 17: ...to cover the soldering points and use a hot air gun to shrink the sleeves Replace the Motor 17 Position the motor into the motor housing Mount the shield cover on the motor assembly and lock it with...

Page 18: ...head set onto the motor shaft a Position the flange into the trimmer head base NOTICE the flat surface of the flange should be rested on the trimmer head base Replace the Motor Outer flange Trimmer h...

Page 19: ...19 b Mount the trimmer head base together with the flange onto the motor shaft lock the base with the hexagon nut Replace the Motor Hexagon nut...

Page 20: ...d Align the ribs in the bump knob with the slots in the trimmer head base fix the bump knob onto the base e Press the bump knob until it is fully slid in position and locked on the base Replace the Mo...

Page 21: ...Spool retainer Spool 21 f Put the spool in the spool retainer and mount the spool retainer to the trimmer head base Replace the Motor...

Page 22: ...ect connection Black to black white to white green to blue b Move the transparent sleeves and the heat shrinkable sleeves to cover the connectors and use a hot air gun to shrink the sleeves Replace th...

Page 23: ...23 20 Fix the switches into the housing and align the cables in the grooves Replace the Motor Switches Cable alignment Cable alignment...

Page 24: ...rear housing with the groove in the shaft Fig 2 so as to place the shaft into its position Fig 1 Lock the shaft by the fixed ring with tapping screw and plain washer 22 Insert the PCBA magnetic ring i...

Page 25: ...the eleven tapping screws NOTICE Mind the two spring pins Fig 3 They are may be remained in the right housing In case they drop during disassembling insert them into the holes either in the right or...

Page 26: ...26 Replace the Motor 24 Mount the guard assembly onto the shaft base and lock it with two combination screws Combination screws...

Page 27: ...27 Part 2 Replace the PCBA...

Page 28: ...ring pins may be remained in the right housing If the rear housing set need replacing take down the pins and assemble them to the new housing 28 Description Part Number Qty Tapping Screw 5610032004 11...

Page 29: ...ing ring take out the shaft from the housings 29 Description Part Number Qty Fixed Ring 3705178001 1 Plain Washer 5650005002 1 Tapping Screw 5610032004 1 Internal Cable Assembly 4860300002 1 Replace t...

Page 30: ...emove the heat shrinkable sleeves from the connectors with a scissor 4 Move the transparent sleeves aside and pull the connectors to separate 30 Replace the PCBA Heat shrinkable sleeve Transparent sle...

Page 31: ...latch battery ejection lever housings can be replaced if they are broken or worn Battery release button Latch Battery ejection lever Description Part Number PCBA 2830117001 Battery Release Button 3127...

Page 32: ...ect connection Black to black white to white green to blue b Move the transparent sleeves and the heat shrinkable sleeves to cover the connectors and use a hot air gun to shrink the sleeves Replace th...

Page 33: ...33 8 Fix the switches into the housing and align the cables in the grooves Replace the PCBA Switches Cable alignment Cable alignment...

Page 34: ...e left rear housing with the groove in the shaft Fig 2 so as to place the shaft into its position Fig 1 Lock the shaft by the fixed ring and the tapping screw Replace the PCBA PCBA magnetic ring 3 Pla...

Page 35: ...y are broken Description Part Number Qty Lock off Trigger 3128088001 1 Compression Spring 1 3660453002 1 Compression spring 2 3660075001 1 Switch Trigger 3128086001 1 Speed Adjustment Switch 312808700...

Page 36: ...ing holes with the fixing poles in the handle Make sure they are pushed into place 11 Insert the speed adjustment switch into the handle housing slot as shown 12 Position the shaft in the rear housing...

Page 37: ...h the eleven tapping screws NOTICE Mind the two spring pins Fig 3 They are maybe remained in the right housing In case they drop during disassembling insert them into the holes either in the right or...

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