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Husqvarna 536LiBX Workshop Manual
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Husqvarna 536LiBX Workshop Manual

Husqvarna 536LiBX Workshop Manual

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Workshop Manual
436LiB / 536LiB / 536LiBX
Up to S/N: 20180100001
English

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Summary of Contents for Husqvarna 536LiBX

  • Page 1 Workshop Manual 436LiB / 536LiB / 536LiBX Up to S/N: 20180100001 English...
  • Page 3 Service Tools .................11 Service Data..................12 Basic Dismantle/Assembly ............16 Repair Instructions ..............20 Diagnosis and Troubleshooting ..........35 Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice. English –...
  • Page 4 Index Index Basic dismantle/assembly 16, 17, 18 Chain brake Dismantling the chain brake 17, 22, 23, 25, 35 Controller Assembling the control unit 31 Dismantling the control unit 31 Dismantling/assembling ESD 22 Introduction and safety regulations 7 General 7 General directions 8 Numbering 7 Revisions 7 Security 7...
  • Page 5 Index English –...
  • Page 6 Introduction and safety regulations 2 Introduction and safety regulations Table of contents General ...................................7 Safety ....................................7 Target group .................................7 Modifications ................................7 Tools ....................................7 Structure ..................................7 Numbering ...................................7 General instructions ..............................8 Special instructions ..............................8 2.10 Symbols on the machine ............................9 2.11 Symbols in the Workshop Manual ........................9 –...
  • Page 7 Position references to components in the figures Usage is made evident in each section. are designated A, B, etc. The figures are numbered 1, 2 etc. Always use original Husqvarna: The position references and figure numbers restart in each new section. • Spare parts •...
  • Page 8 Use ear protection during testing. NOTE! 2.10 Limitations This box warns of material damage if This workshop manual is intended for repair work the instructions are not followed. on the 436LiB/536LiB/536LiBX leaf blower. – English...
  • Page 9 Introduction and safety regulations 2.10 Symbols on the machine 2.11 Symbols in the Workshop Manual The machine keypad has the following symbols. This symbol warns of personal injury when the instructions are not followed. Activating/Deactivating Throttle adjuster Boost Warning indicator/Fault indi- cator English –...
  • Page 10 Technical Data 3 Technical data Weight without battery Weight with battery (4.2 Ah) Ibs/kg Ibs/kg 436LiB 5.1/2.4 7.6/3.7 536LiB 5.1/2.4 7.6/3.7 6.7/2.8 (inc. cable) 536LiBX Airflow at Airflow at normal operation Turbo-boost cubic meters/hour cubic meters/hour 436LiB 536LiB 536LiBX – English...
  • Page 11 4 Service tools INSTRUCTION Common Service Tool The Common Service Tool (CST) is a service tool for Husqvarna products comprising Diagnostic Tool Kit (583 89 71-01) and software for the installation of a PC (can be down- loaded from the support site).
  • Page 12 Service data Service data 436LiB: S/N XXXXXXXXX-, 536LiB: S/N YYYYYYYYY-, 536LiBX: S/N ZZZZZZZZ- (x2) 1 Nm (x2) 1 Nm 4 mm (x3) 1.6 Nm (x3) 1,6 Nm 4 mm (x3) 2.8 Nm 4 mm 4 mm (x3) 2,8 Nm (x3) 1.9 Nm...
  • Page 13 Service data Service data 436LiB: S/N XXXXXXXXX-, 536LiB: S/N YYYYYYYYY-, 536LiBX: S/N ZZZZZZZZ- (x12) 1.9 Nm 4 mm (x12) 1,9 Nm 4 mm (x2) 0.7 Nm (x2) 0,7 Nm 4 mm (x13) 1.9 Nm (x13) 1,9 Nm 4 mm English –...
  • Page 14 Service data Service data 436LiB: S/N XXXXXXXXX-, 536LiB: S/N YYYYYYYYY-, 536LiBX: S/N ZZZZZZZZ- (x3) 1.9 Nm (x3) 1,9 Nm 4 mm 4 mm (x3) 0.7 Nm 4 mm (x3) 0,7 Nm 4 mm (x9) 1.9 Nm 4 mm (x9) 1,9 Nm 4 mm 1.9 Nm...
  • Page 15 Service data Service data 436LiB: S/N XXXXXXXXX-, 536LiB: S/N YYYYYYYYY-, 536LiBX: S/N ZZZZZZZZ- English –...
  • Page 16 Basic dismantle/assembly 6 Basic dismantle/assembly Table of contents Battery ....................................17 Nozzle ..................................17 Chassis ..................................17 – English...
  • Page 17 Basic dismantle/assembly 6 Basic dismantle/assembly The steps described below are the basic steps that must be carried out before any other service or repair work or final assembly is possible. 6.1 Battery Press in the catches and remove the battery. See figure 1.
  • Page 18 Basic dismantle/assembly 6 Basic dismantle/assembly 6.3 Chassis (536LiBX) Loosen the screws (x9) and lift off the left chassis half (A) and ventilation cover (B). See figure 3b. Fig 3b Loosen the service cable fastened to the left chas- sis half. Use tweezers or a small pair of pliers, see figure 3c.
  • Page 19 Basic dismantle/assembly English –...

  • Page 20: Table Of Contents

    Repair instructions 7 Repair instructions Table of contents General repair instructions .............................21 Dismantling the throttle ............................21 Assembling the throttle ............................21 Dismantling the ESD cable ..........................22 Assembling the ESD cable ...........................22 Dismantling motor and blow pipe ........................23 Assembling motor and blow pipe........................25 Dismantling the main cable ..........................28 Assembling the main cable ..........................30 7.10...

  • Page 21: Repair Instructions

    Repair instructions 7 Repair instructions 7.1 General repair instructions WARNING! NOTE! The battery must always be removed Note how wires, components, etc., are for service/repair work and may only positioned before dismantling. Make sure be replaced once the machine has to position them correctly to avoid pinching been completely assembled again! when the machine is reassembled.

  • Page 22: Dismantling The Esd Cable

    Repair instructions 7.4 Dismantling ESD cables Loosen contact (B) from the motor and contact (C) from the ESD cable from the contact spring. See figure 4 Unhook the ESD clasp from the handle and care- fully loosen the cable from its attachments in the chassis.

  • Page 23: Dismantling Motor And Blow Pipe

    Repair instructions 7.6 Dismantling motor and blow pipe Loosen the contact (A) from the control unit. Take care not to damage the connector (B) and cables. Loosen the connector/cable (C) from the contact spring. NB! Do not pull the wires. See figure 8 Lift the blow pipe and motor housing straight out of the chassis.
  • Page 24 Repair instructions Loosen connector (H) from the contact spring in the motor housing. NB! Do not pull the wires. See figure 12 Loosen the screws (x3) securing the motor in the motor housing. See figure 13 Lift the motor out of the motor housing. NB! Do not pull the wires.

  • Page 25: Assembling Motor And Blow Pipe

    Repair instructions 7.7 Assembling motor and blow pipe Place the motor with cables and contact spring into the motor housing. It is very important that the motor is positioned correctly. Check that the red (X) and blue (Y) cables are positioned to the right of the contact spring (H) and the white (Z) cable to the left.
  • Page 26 Repair instructions Secure the shaft (F) on the motor and press on the fan (G) with a maximum force of 9 kN and a mini- mum force of 2 kN. The fan is pressed on until it is 1 mm outside or at most in line with the edge of the motor housing.
  • Page 27 Repair instructions Place the blow pipe and motor housing in the chassis. Make sure the rubber pads are positioned correctly. See figure 22 NOTE! Ensure cables, etc., are positioned correctly to avoid pinching. Couple connector (A) to the control unit. Take care not to damage the connector (B) with cables.

  • Page 28: Dismantling The Main Cable

    See figure 24 Fig 24 (436LiB, 536LiB) Loosen the screws (2x) for the battery contact. See figure 25a. (536LiBX) Loosen the screws holding the battery cable. See figure 25b. NOTE! The flat cable to the keypad is very fragile. Fig 25a Fig 25b –...
  • Page 29 Remove the connector from the control card with a screwdriver, see figure 32, and lift the cables out of the chassis. Insert the cables through the display cover. NB! Do not pull the wires. See figure 26b (536LiBX). Fig 26a Fig 26b English –...

  • Page 30: Assembling The Main Cable

    See figure 28b. Place all cables (in their attachments), control unit, main switch and main cables into the chassis. See figure 26a (436LiB, 536LiB). See figure 26b (536LiBX). NOTE! Ensure cables, etc., are positioned correctly to avoid pinching. Fig 28b (436LiB, 536LiB) Fasten the screws (A) for the battery contact.

  • Page 31: Dismantling The Control Unit

    Repair instructions 7.10 Dismantling the control unit Dismantle the main cables. See Chapter 7.8. Unplug the connector between the main cables and the control unit. See figure 31 Lift the cover (A) and loosen the connector (B) from the control unit. Carefully use a screwdriver to help to prise loose the connector if it sticks.

  • Page 32: Dismantling The Main Switch

    Repair instructions 7.12 Dismantling the main switch Dismantle the main cables. See Chapter 7.8. Loosen contact (A) from pin B+ on the main switch. NB! Do not pull the wires. See figure 35 Take loose the connector (B) using a small screw- driver to carefully free the heels (C) on each end of the connector and main switch from each other.

  • Page 33: Assembling The Main Switch

    Repair instructions For products with S/N: 20170000000- (LiPX), 20170000000- (LiP4), 20170000000- (LiPT5). Dismantle the control handle as described in "6 Basic dismantle/assembly" on page 16. Dismantle the throttle trigger lock and throttle trig- ger as described in "7.1 Dismantling the throttle trigger lock and throttle trigger" on page 18. Fig 52 Lift out the main switch and disconnect cable (A).

  • Page 34: Repairing Damaged Threads

    Repair instructions 7.13 Assembling the main switch Lubricate the connector (B) with water resistant grease and connect it to the main switch. Also lubricate the outside of the connector after assem- bling to ensure it is watertight. See figure 38 Connect the contact (A) to the main switch.
  • Page 35 Diagnosis and troubleshooting 8 Diagnosis and troubleshooting Table of contents Remove the battery ..............................35 Connect the diagnostic tool ...........................35 No signal to diagnostic tool ..........................35 Overhaul ..................................35 Troubleshooting guide, product ........................36 Troubleshooting guide, battery and charger ....................38 Annex ...................................39 – English...
  • Page 36 Connect cable (B) to CST for troubleshooting the battery. See figure 2 (536LiBX) Connect the product with the battery. Remove the plastic cover and use tweezers to extract the service cable. See figure 3 Couple together the adapter cable for the Common Fig 2 Service Tool (CST) with the product service cable.
  • Page 37 -20170000000 (LiP4), -20170000000 (LiPT5). See figure 3. The switch used in professional battery products from Husqvarna has two functions, to supply cur- rent to the control unit and the electric motor, and act as a position sensor for the variable speed control.
  • Page 38 Diagnosis and troubleshooting 5.5 Troubleshooting the BLDC control unit Check that the blade terminals and associated wires are not bent or damaged. (A) 4.8x0.8mm M phase (Gray wire) (B) 4.8x0.8mm M phase (Black wire) (C) 4.8x0.8mm M phase (Red wire) See figure 5.
  • Page 39 Troubleshooting 8.5 Troubleshooting - product Symptom Possible causes Recommended action The product cannot be activated. No Faulty battery. 1. Check the battery by pressing the LEDs come on after pressing the on/ status button. At least one green off button. LED should light up.
  • Page 40 Troubleshooting Warning triangle flashes continually Temperature too high. 1. Wait for the product to cool down on keypad. (max. 5 minutes). Temperature of control unit or bat- 2. Make sure neither the product nor tery too low. the battery is colder than -10 C Water in breaker signal connector.
  • Page 41 Troubleshooting 8.6 Troubleshooting - battery and charger Symptom Possible causes Recommended action No LEDs come on on the battery after Faulty battery. Replace the battery. pressing the status button. A warning triangle lights up solid red Faulty battery. Replace the battery. on the battery when the status button is pressed.
  • Page 42 Troubleshooting - annexe 8.7 Troubleshooting - annexe 1. Current contacts Make sure the contacts are clean and that none of the metal surfaces are damaged. Take extra care in checking the connection tabs. The current contacts have the same basic design for product, battery and charger.
  • Page 43 • 1141006-26 2015W42...

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