Husqvarna PG 6 P Workshop Manual
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Husqvarna PG 6 P Workshop Manual

Husqvarna PG 6 P Workshop Manual

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Workshop manual
PG 6 P & PG 8 P
English
2307 - 001 - 26.04.2024

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Summary of Contents for Husqvarna PG 6 P

  • Page 1 Workshop manual PG 6 P & PG 8 P English 2307 - 001 - 26.04.2024...

  • Page 2: Table Of Contents

    5.1 Servicing tools overview........11 5.2 Servicing tools overview........12 5.3 Servicing tools overview........13 6 Product overview for repair and servicing 6.1 Component overview PG 6 P.......14 6.2 Component overview PG 6 P.......15 6.3 Component overview PG 8 P.......16 6.4 Component overview PG 8 P.......17 6.5 Display overview..........

  • Page 3: Introduction

    1.5 Servicing tools The manual gives information about necessary servicing tools. Always use original tools from Husqvarna. 2307 - 001 - 26.04.2024 Introduction - 3...

  • Page 4: Safety

    2 Safety 2.1 Safety definitions 2.3 Special safety instructions Warnings, cautions and notes are used to point out The product has an emergency stop button. specially important parts of the manual. WARNING: Used if there is a risk of injury or death for the operator or bystanders if the instructions in the manual are not obeyed.
  • Page 5 The product is not domestic waste. Recycle it at an approved disposal location for electrical and electronic equipment. This product is in compliance with applicable EU directives. Note: Other symbols/decals on the product refer to special certification requirements for some markets. 2307 - 001 - 26.04.2024 Safety - 5...

  • Page 6: Servicing Data

    3 Servicing data 3.1 Symbols in the diagrams Tightening torque, Nm 6 - Servicing data 2307 - 001 - 26.04.2024...

  • Page 7: Tightening Torques Engine

    3.2 Tightening torques engine 2307 - 001 - 26.04.2024 Servicing data - 7...

  • Page 8: Tightening Torques Grinding Head

    3.3 Tightening torques grinding head 8 - Servicing data 2307 - 001 - 26.04.2024...

  • Page 9: Tightening Torques Grinding Head

    3.4 Tightening torques grinding head 2307 - 001 - 26.04.2024 Servicing data - 9...

  • Page 10: Servicing Schedule

    4 Servicing schedule * = General maintenance. The instructions are not given. O = The instructions are given in this workshop manual. X = The instructions are given in the operator's manual. Maintenance Each Week- Every Daily month 100 h s or 250 h Do a check of the ignition lock.

  • Page 11: Servicing Tools

    5 Servicing tools 5.1 Servicing tools overview Position Designation Used for Order No./Source Adhesive for threads – Amprobe 37XR-A Grease To assemble the motor and grinding head. Loctite 243 Circlip pliers General – Hex key, kit 2.5 - 10 mm General 525 45 52-01 Socket wrench...

  • Page 12: Servicing Tools Overview

    5.2 Servicing tools overview Position Designation Order No./Source Hub pulley tool 593 53 68-01 Press tool for the inner hub 593 54 09-01 Press tool for the outer center hub 595 75 94-01 Press tool for the radial seal 593 54 11-01 Press tool for the upper center hub 593 54 12-01 Press fixture for the center hub...

  • Page 13: Servicing Tools Overview

    5.3 Servicing tools overview Position Designation Order No./Source Press tool for the radial seal 593 54 21-01 Press tool for the center hub 593 54 40-01 Press tool for the center pulley 593 54 41-01 Press tool for the hub assembly 593 54 42-01 Support for the hub assembly tool 593 54 43-01...

  • Page 14: Product Overview For Repair And Servicing

    6 Product overview for repair and servicing 6.1 Component overview PG 6 P 1. Handlebar 7. Grinding disc 2. Handlebar adjustment 8. Grinding head 3. Lifting eye 9. Connection for dust extractor 4. Lock bolt, attaches the motor and grinding head 10.

  • Page 15: Component Overview Pg 6 P

    6.2 Component overview PG 6 P 1. Lifting eye 9. Throttle control 2. Water tank 10. Indicator for oil pressure 3. Control panel 11. Emergency stop button 4. Connection for dust extractor 12. Display 5. Suspension device for dust extractor 13.

  • Page 16: Component Overview Pg 8 P

    6.3 Component overview PG 8 P 1. Handlebar 7. Grinding disc 2. Handlebar adjustment 8. Grinding head 3. Lifting eye 9. Connection for dust extractor 4. Lock bolt, attaches the motor and grinding head 10. Cover 5. Weight 11. Dust skirt 6.

  • Page 17: Component Overview Pg 8 P

    6.4 Component overview PG 8 P 6.5 Display overview 1. Lifting eye 2. Water tank 3. Control panel 4. Connection for dust extractor 5. Suspension device for dust extractor WARNING! DO NOT OPERATE ENGINE BETWEEN 1200 - 2600 RPM 6. Propane tank holder 7.

  • Page 18: Repair And Servicing

    7 Repair and servicing 7.1 Engine 3. Disconnect the propane hose. 7.1.1 To remove and install the engine, clutch, and grinding head from the frame 1. Turn the main switch counterclockwise. 4. Disconnect the connectors. 2. Turn the propane tank valve fully clockwise to stop the propane supply.
  • Page 19 5. Remove the cable. 7. Remove the screws for the speed control cable. 6. Remove the power cable. 8. Remove the speed control cable. 2307 - 001 - 26.04.2024 Repair and servicing - 19...
  • Page 20 9. Remove the water hoses. 11. Remove the frame. 10. Remove the screws (A) and the bracket (B). 12. Install in opposite sequence. 20 - Repair and servicing 2307 - 001 - 26.04.2024...
  • Page 21 7.1.2 To remove the engine from the gearbox 3. Remove the 4 screws. 1. Loosen the 4 screws. 2. Loosen the belt tensioner. 4. Remove the inspection plates. 2307 - 001 - 26.04.2024 Repair and servicing - 21...
  • Page 22 5. Remove the belt from the pulley wheel. 7. Remove the engine. 6. Remove the belt from the clutch drum. 22 - Repair and servicing 2307 - 001 - 26.04.2024...
  • Page 23 7.1.3 To install the engine 3. Put the belt on the grinding head shaft pulley wheel. 1. Put the engine on the transmission housing. 4. Assemble the 4 screws. 2. Put the belt on the pulley wheel above the clutch drum.
  • Page 24 5. Tighten the belt tensioner. 7.1.4 To tighten the belt 1. Tighten the belt tensioner until the belt vibrates with a frequency of 240 Hz. 6. Tighten the 4 screws. 2. Tighten the 4 screws. 7. Assemble the inspection plates. 3.
  • Page 25 5. Tighten the 4 screws. 7.1.5 To remove and install the clutch 1. Remove the screw and the sleeve. 6. Assemble the inspection plates. 2. Remove the clutch. 3. Install in opposite sequence. 2307 - 001 - 26.04.2024 Repair and servicing - 25...
  • Page 26 7.1.6 To disassemble and assemble the clutch 3. Remove the friction shoes, weights and springs. 1. Remove the 2 screws. 4. Disassemble the friction shoes, weights and springs. 2. Remove the plate. 5. Assemble in opposite sequence. 26 - Repair and servicing 2307 - 001 - 26.04.2024...
  • Page 27 7.1.7 To remove the gearbox and the engine plate 3. Remove the 4 screws for the flange bearing housing. from the grinding head 1. Remove the inspection plates. 2. Remove the pulley wheel. 4. Remove the flange bearing housing and the shaft Servicing tools with a counter stay device.
  • Page 28 5. Remove the 4 screws for the gearbox. 7. Remove the 8 screws for the engine plate. 8. Remove the engine plate. 6. Remove the gearbox. 7.1.8 To do a vapor calibration A vapor calibration is necessary when the propane regulator is replaced.

  • Page 29: Grinding Head

    7.2 Grinding head c) Connect a tachometer. d) Connect a pressure gauge to the regulator. 7.2.1 To remove the tool holders e) Connect an air/fuel ratio gauge to the muffler. 1. Remove the center screws from the tool holders. 2. Open the propane tank and do a leak test of the connections at the lockoff valve.
  • Page 30 3. Remove the center bolts from the tool holders. 7.2.2 To open the grinding head 1. Loosen the belt tensioner screw. 4. Remove the tool holders from the grinding head. 2. Make sure that the line on the belt tensioner aligns with the mark on the arrow.
  • Page 31 3. Remove the 9 screws from the lid. 5. Tighten the removal tools for the grinding head. Refer to the picture and tighten in sequence from A to F. 6. Remove the lid from the housing. 4. Put a removal tool for the grinding head in 3 of the Servicing tools overview on page 13 .
  • Page 32 7. Remove the O-ring from the housing. 7.2.3 To close the grinding head 1. Install the new O-ring on the housing. 8. Discard the O-ring. 2. Make sure that the line on the belt tensioner aligns with the mark on the arrow. 32 - Repair and servicing 2307 - 001 - 26.04.2024...
  • Page 33 3. Put the lid on the housing. 5. Tighten the screws. Use a torque wrench. Refer to the picture and tighten in sequence from A to W. 4. Put the 12 screws in the 12 holes. 6. Use torque wrenches to adjust the belt tensioner. Hold the belt tensioner (B) and tighten the locknut (A).

  • Page 34: Radial Shaft Seal

    7.3 Radial shaft seal 7.3.2 To install the radial shaft seals 1. Put 3 new radial shaft seals on top of the holes in 7.3.1 To remove the radial shaft seals the lid. 1. Remove the radial shaft seals. Use a screwdriver. 2.

  • Page 35: Belt Tensioner

    Servicing tools overview on 7.4 Belt tensioner 3. Apply grease. Refer to page 11 . 7.4.1 To remove the belt tensioner 1. Remove the belt tensioner from the housing. 2. Remove the belt tensioner stop. 2307 - 001 - 26.04.2024 Repair and servicing - 35...
  • Page 36 7.4.2 To disassemble the belt tensioner 4. Remove the bearings from the idler pulley. Use a mandrel. 1. Remove the O-ring from the belt tensioner. 2. Remove the idler shaft. 7.4.3 To assemble the belt tensioner 1. Push the bearings into the idler pulley. Use a force of 2000 kg.
  • Page 37 3. Put the idler pulley into the belt tensioner. 7.4.4 To install the belt tensioner 1. Install the belt tensioner in the housing. 4. Put the idler shaft into the belt tensioner. 2. Install the belt tensioner stop. 5. Put the O-ring onto the belt tensioner. 2307 - 001 - 26.04.2024 Repair and servicing - 37...

  • Page 38: Primary Belt

    7.5 Primary belt 7.6 Hub assemblies 7.5.1 To remove and install the belt 7.6.1 To remove the hub assemblies 1. Remove the primary belt from the housing. 1. Remove the screws and the 3 washers. 2. Install in opposite sequence. Note: Make sure that the drive belt ribs align with the 2.
  • Page 39 3. Push in the locking plates. 6. Remove the secondary belt. 4. Turn the secondary pulley to make it possible to remove 1 hub assembly. 7. Turn the secondary pulley to make it possible to remove the other 2 hub assemblies. 5.
  • Page 40 7.6.2 To install the hub assemblies 4. Install the secondary belt. 1. Put the locking plates at their inner position. 2. Move the secondary pulley into a position where you can install 2 hubs. 5. Install the third hub assembly in the housing. 3.
  • Page 41 6. Install the washers and the screws. 8. Put the screws. 7.6.3 To disassemble the hub assembly 1. Put the hub assembly in the hub pulley tool. 7. Put the belt tensioners in the outer positions. 2307 - 001 - 26.04.2024 Repair and servicing - 41...
  • Page 42 Tool number: 593 53 68-01 4. Remove the pulley. 2. Install the bearing extractor bracket. Tool number: 593 54 52-01 3. Put the assembly in a press. Push in the bearing with the mandrel. 5. Put the shaft on the support. Tool number: 593 54 43-01 42 - Repair and servicing 2307 - 001 - 26.04.2024...
  • Page 43 6. Remove the bearing with a press. 3. Put the hub assembly, the nut and the socket in the tool. 7.6.4 To assemble the hub assembly 1. Push the bearing onto the hub assembly. Use a force of 2000 kg. Use a press tool. Tool number: 593 54 17-01 4.

  • Page 44: Idle Pulleys

    7.7 Idle pulleys 5. Push the bearing with a support and a mandrel. 7.7.1 To disassemble the idle pulleys 1. Remove the idle pulley. Tool number: 593 54 18-01 6. Install the washer and the nut. 2. Remove the shaft with a press. Use a mandrel with a maximum diameter of 16 mm.
  • Page 45 3. Remove the bearings with a mandrel. Tool number: 593 54 19-01 2. Install the shaft and the snap ring. 7.7.2 To assemble the idle pulleys 1. Push the bearings with the mandrel. Use a force of 2000 kg. 2307 - 001 - 26.04.2024 Repair and servicing - 45...

  • Page 46: Center Pulley

    7.8 Center pulley 3. Install in opposite sequence. 7.8.2 To disassemble the secondary pulley 7.8.1 To remove and install the center pulley 1. Remove the bearing from the pulley center. 1. Remove the screws for the center pulley. Tool number: 593 54 30-01 2.
  • Page 47 3. Push out the center pulley. Make sure that there is 6. Remove the bearing. support below the area of the center hub. 7. Remove the bearing with a mandrel. 4. Push out the inner center hub. 8. Remove the snap ring. 5.
  • Page 48 9. Remove the spacer. Tool number: 593 54 09-01 2. Install the snap ring. 10. Remove the second bearing with a mandrel. 3. Install the spacer. 7.8.3 To assemble the secondary pulley 1. Push the bearing into the outer center hub with a force of 2000 kg.
  • Page 49 5. Push the radial seal with a force of 2000 kg. 7. Push the bearing into the center hub. Tool number: 593 54 12-01. Note: Make sure that the flat side of the radial shaft seal points down into the center hub. 8.
  • Page 50 10. Assemble the secondary pulley. Tool number: 593 54 12-01 13. Push the center pulley into the center hub. Tool number: 593 54 14-01 14. Install the snap ring. 11. Install the secondary pulley on the center hub. 12. Push the bearing onto the center pulley. 50 - Repair and servicing 2307 - 001 - 26.04.2024...

  • Page 51: Troubleshooting

    8 Troubleshooting 8.1 To do a function test of the grinding head 3. Examine the brush strip. 1. Put the product in servicing position to get access to 4. Examine all parts of the vibration damping system. the grinding discs. 5.

  • Page 52: Control Panel

    8.3 Control panel 3. In the selection, push the menu button quickly to select between ON/OFF. 8.3.1 To use the display 4. In the selection, push the set button to adjust the Use the menu button and the set button to control the selected selection.

  • Page 53: Engine

    9 Diagrams 9.1 Engine Connector DPDT Relay Switch Oil Pressure Magneto Switch Starter Emission Solenoid Module Starter Magneto DPDT Relay Green Black Black Black Green Fuel Lockoff Brown Blue Oil Pressure Switch Emission Module O² Black Sensor 2307 - 001 - 26.04.2024 Diagrams - 53...

  • Page 54: Control Panel

    9.2 Control Panel CONTROL PANEL ENGINE -DS1 2 x 0.5 RPM YELLOW MULTIFUNCTION LAPP 1123000 SPARK PLUG HOURMETER 7-TURNS ON IGNITION WIRE EM STOP -EM1 MOTOR CONNECTOR IGNITION IGNITION RED/WHITE WIRE MOTOR CONNECTOR START START BLUE WIRE BATTERY +12VDC +12VDC FUSE F2 ENGINE ENGINE GROUND...
  • Page 55 CONTROL PANEL ENGINE GROUND 8G1.5 LAPP 1123116 +12VDC ENGINE START MOTOR 1X16 BLACK START MOTOR +12VDC 1X16 RED MAIN BATTERY SWITCH 12VDC BATTERY 2307 - 001 - 26.04.2024 Diagrams - 55...
  • Page 56 114369926 2024-04-26...

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Pg 8 p

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