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REPAIR  GUIDELINE 

String Trimmer_ST1500E-F 

Version: 1 

Issue Date: 12/02/2016 

Summary of Contents for Power ST1500E-F

Page 1: ...REPAIR GUIDELINE String Trimmer_ST1500E F Version 1 Issue Date 12 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 28 4 Part 2 Replace the PCBA 29 42...

Page 3: ...to motor are loose or disconnected from motor Motor Open the motor housing check the cable connection with motor Motor is burned Motor If the cables are well connected check the motor and test with a...

Page 4: ...epair 4 NO Tool List SPEC Remark 1 Phillips PH2 2 Socket wrench 14mm 3 Torx screwdriver T 15 4 Hex wrench M5 5 Electric soldering iron 6 Heat gun 7 Heat shrinkable sleeves 8 Scissors To remove the shr...

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

Page 6: ...er 2 Loosen the two hex bolts in the guard with the M5 hex wrench remove the guard from the shaft Description Part Number Guard Assembly 2824871002 Hex Bolt 5620216003 Spring Washer 5650015012 6 Bolts...

Page 7: ...3 Press the release tabs on the lower housing assembly to remove the lower housing assembly 7 Description Part Number Qty Lower Housing Assembly 2824808001 1 Release tab Replace the Motor Assembly...

Page 8: ...4 Pull the spring out of the motor shaft 8 Replace the Motor Assembly...

Page 9: ...5 Rotate the nut counterclockwise to remove the nut 9 Replace the Motor Assembly...

Page 10: ...6 Pull washer out of the motor shaft 10 Replace the Motor Assembly...

Page 11: ...7 Pull the upper housing assembly out of the motor shaft and then pull the outer flange out of the motor shaft 11 Replace the Motor Assembly...

Page 12: ...umber Qty Shield cover 3127655001 1 Screw 5610059007 1 washer 5650396003 1 8 Loosen the three screws on the shield cover remove the shield cover from the motor assembly Shield cover Screw Washer Repla...

Page 13: ...and handle assembly 7 screws remove the housings upper cover and lower cover 13 Description Part Number Qty Tapping Screw 5610294001 14 Upper cover 3127650001 1 Lower cover 3127675002 1 Upper cover L...

Page 14: ...e two locking screws on the fixing rings take out the shaft from the housings 14 Description Part Number Qty Fixed Ring 3705178001 2 Plain Washer 5650005002 2 Tapping Screw 5610294001 2 Replace the Mo...

Page 15: ...the heat shrinkable sleeves from the connectors with a scissor 12 Move the transparent sleeves aside and pull the connectors to separate 15 Heat shrinkable sleeve Transparent sleeve Replace the Motor...

Page 16: ...3 Take out the motor assembly from the motor housing 14 Remove the heat shrinkable sleeves from the cables and disconnect the cables Motor housing Motor assembly Motor assembly Replace the Motor Assem...

Page 17: ...Place new heat shrinkable sleeves over the cables Connect the cables with electric soldering iron Correct connection White to White Black to Black Blue to Green Replace the Motor Assembly Blue Green B...

Page 18: ...the soldering points and use a hot air gun to shrink the sleeves shield cover Replace the Motor Assembly 19 Position the motor assembly into the motor housing mount the shield cover on the motor asse...

Page 19: ...20 Put the outer flange onto the shaft and then put the upper housing assembly onto the shaft 19 Replace the Motor Assembly...

Page 20: ...21 Mount washer onto the motor shaft 20 Replace the Motor Assembly...

Page 21: ...22 Mount the nut onto the motor shaft and then rotate the nut clockwise with a socket wrench 21 Replace the Motor Assembly...

Page 22: ...23 Mount the spring onto its position 22 Replace the Motor Assembly...

Page 23: ...23 24 Align the tabs on the lower housing assembly with the holes on the upper housing assembly to mount the lower housing assembly onto the upper housing assembly Replace the Motor Assembly...

Page 24: ...24 25 Rotate the lower housing assembly counterclockwise as necessary to align the mark LOAD on the lower housing assembly with the eyelets on the upper housing assembly Replace the Motor Assembly...

Page 25: ...he line comes out of the other side of the upper housing assembly Pull the line from the other side until equal amounts of line appear on both sides of the spool 27 Rotate the lower housing assembly c...

Page 26: ...three connectors and make sure they are fully insert in place Correct connection White to White Black to Black Blue to Green c Move the transparent sleeves and the heat shrinkable sleeves to cover th...

Page 27: ...27 29 Align the cables in the grooves of the rear housing Notice the black cable must be aligned as followed in the figure below Cable alignment Replace the Motor Assembly...

Page 28: ...and handle housing lock it by the fixed rings with the tapping screws 31 Close the handle housing put the support leg and upper cover into position then close the rear housing lock the housings with...

Page 29: ...29 Part 2 Replace the PCBA...

Page 30: ...crews and handle assembly 7 screws remove the housings upper cover and lower cover 30 Description Part Number Qty Tapping Screw 5610294001 14 Upper cover 3127650001 1 Lower cover 3127675002 1 Upper co...

Page 31: ...en the two locking screws on the fixed rings take out the shaft from the housings Replace the PCBA 31 Description Part Number Qty Fixed Ring 3705178001 2 Plain Washer 5650005002 2 Tapping Screw 561029...

Page 32: ...Remove the heat shrinkable sleeves from the connectors with a scissor 4 Move the transparent sleeves aside pull the connectors to separate Replace the PCBA 32 Heat shrinkable sleeve Transparent sleev...

Page 33: ...ction lever housings can be replaced if they are broken or worn Battery release button Latch Battery ejection lever Rear housing PCBA Handle housing Description Part Number PCBA 2830204001 Battery rel...

Page 34: ...the three connectors and make sure they are fully inserted in place Correct connection White to White Black to Black Blue to Green c Move the transparent sleeves and the heat shrinkable sleeves to co...

Page 35: ...s on the housings with the holes in the shaft so as to put the shaft into place both in the rear housing and handle housing lock it by the fixed rings with tapping screw and washer Align the pins with...

Page 36: ...36 9 Align the cables in the grooves of the rear housing Notice the black cable must be aligned as followed in the figure below Cable alignment Replace the PCBA...

Page 37: ...37 Replace the PCBA 10 Fix the switches into the handle housing and put the rubber block into the groove of switch 1 Rubber Block Switch 1 Switch 2...

Page 38: ...38 Replace the PCBA 11 Align the cables in the grooves Cable alignment Cable alignment...

Page 39: ...e the lock off trigger or switch trigger if they are broken Description Part Number Qty Lock off Trigger 3127654001 1 Compression Spring 3660030005 1 Switch Trigger 3127653001 1 Lock off trigger Switc...

Page 40: ...ition the shaft in the handle housing lock it by the fixed ring with the tapping screw Align the fixing hole in the switch trigger with the fixing pole in handle and push the trigger in place Align th...

Page 41: ...hen close the rear housing pictures on next page NOTICE The locating pin in the rear housing and handle housing must align with the fixing hole in the shaft Replace the PCBA 41 Fixing hole in the shaf...

Page 42: ...42 Replace the PCBA 16 Lock the housings with 14 tapping screws...

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