Husqvarna PG 280 S Workshop Manual Download | Manualshive

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6 Repair and servicing

6.1 Motor

6.1.1 To remove the motor and grinding head

1. Remove the cable from the connector.

2. Remove the retaining pin (A) and remove the clevis

pin (B).

A

B

3. Remove the motor and grinding head from the

frame.

1022 - 002 -

Repair and servicing - 11

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Summary of Contents for PG 280 S

Page 1: ...Workshop manual PG 280 S English 1022 002 ...

Page 2: ...ng 5 1 Component overview PG 280 S 8 5 2 Component overview electrical enclosure 9 5 3 Component view of the motor connection box PG 280 S 1 phase 10 6 Repair and servicing 6 1 Motor 11 6 2 Grinding head 12 7 Troubleshooting 7 1 Function tests 14 7 2 To do a function test of the grinding head 14 7 3 To do a function test of the electrical system 14 7 4 To do a function test of the motor 14 7 5 Bef...

Page 3: ...nderstand the manual 1 3 Revisions Changes to the product can cause changes to the maintenance work and spare parts Separate information is sent out for each change Read the manual together with all received information about changes to maintenance and spare parts for the product 1 4 Safety WARNING All personnel that repair or do servicing on the product must read and understand the safety instruc...

Page 4: ... are damaged Disconnect the product from the mains socket If possible keep the power cord disconnected when you repair or do servicing of the product Use cables adapted to outdoor operation Do not touch the wires when the product is on An electrical shock can cause injury Do not point compressed air to your body Compressed air can go into the blood stream Always tighten the nuts and the bolts on t...

Page 5: ...3 Servicing data 3 1 Symbols in the diagrams Tightening torque Nm 1022 002 Servicing data 5 ...

Page 6: ...3 2 Tightening torques 30 37 30 6 Servicing data 1022 002 ...

Page 7: ... motor and grinding head 3 Multimeter To control the functions of the electrical system Amprobe 37XR A or other model that can measure induc tance 4 Hex key kit 2 5 10 mm General 525 45 52 01 5 Socket wrench General 531 11 95 32 6 Torque wrench 30 100 Nm General 7 Inner puller To remove the tool holder assembly There are many manufacturers for example Kukko Baur eihe 202 8 Socket 8 18 mm General 1...

Page 8: ...for handlebar adjustment 3 ON OFF switch 4 Electrical enclosure 5 Connection for motor cable 6 Counterweight 7 Power plug 8 Rubber wheels 9 Lock bolt to attach the motor grinding head 10 Grinding head cover 11 Electric motor 12 Lifting eye 13 Brush strip 14 Tool plate 15 Connection vacuum hose 8 Product overview for repair and servicing 1022 002 ...

Page 9: ...ectrical enclosure 3 1 2 4 5 6 7 1 Electrical enclosure 2 ON OFF switch 3 Ground points 4 Motor cable connector 5 Connection to mains plug 6 Resettable fuse 7 Terminal block 1022 002 Product overview for repair and servicing 9 ...

Page 10: ... 2 7 1 4 6 8 3 5 1 Motor connection box 2 Electronic motor starter switch 3 Connection bridge 4 Motor run capacitor 5 Connection bridge 6 Connection to electrical enclosure 7 Ground point 8 Motor start capacitor 10 Product overview for repair and servicing 1022 002 ...

Page 11: ...tor 6 1 1 To remove the motor and grinding head 1 Remove the cable from the connector 2 Remove the retaining pin A and remove the clevis pin B A B 3 Remove the motor and grinding head from the frame 1022 002 Repair and servicing 11 ...

Page 12: ...ew that attaches the holder assembly to the motor shaft with an impact wrench 2 Put the internal puller claws A on the inner edges of the center hole of the holder Put the extension B on the motor shaft C A B C 3 Remove the tool holder assembly from the motor shaft slowly to prevent damage to the vibration damping units 4 Remove the tool holder assembly 12 Repair and servicing 1022 002 ...

Page 13: ...ve the spring pins in the grinding head bracket 8 Remove the dust cover from the motor bracket 6 2 2 To assemble the grinding head and the motor When you assemble the grinding head and the motor use Thread lock medium and tighten the screws refer to Servicing tools on page 7 1022 002 Repair and servicing 13 ...

Page 14: ...s from the tool holder 2 Push the handle down to slightly lift the tool holder from the surface 3 Start the motor with the start stop switch The motor must then be at its operation speed in less than 5 seconds 4 Examine the product for noise and vibrations while the motor operates 5 Let the motor operate for approximately 1 minute 6 Push the stop button 7 5 Before you do the troubleshooting Before...

Page 15: ... between the connection box and the motor cable connector with a multimeter Is the voltage in the connection blocks for external cable according to the voltage specified on the motor Reduce the load Check the power source and extension cable dimensions ACTION Replace the external cable and plug ACTION Replace the cable between the electrical cabinet and the motor ACTION Is the voltage level in the...

Page 16: ... the wiring diagram ACTION Is the fuse in the power source blowing when the motor cable is disconnected from the electrical cabinet during start up Check the components wires and connections in the electrical cabinet with help from the wiring diagram ACTION Replace the electric motor ACTION Are the starting and running capacitors OK Measure the capacitance with a multimeter Are the motor windings ...

Page 17: ...CTION Are the starting and running capacitors OK Measure the capacitance with a multimeter Are the motor windings OK Measure the inductance with help from this workshop manual Replace the electric motor ACTION Replace the electronic motor starter switch ACTION Replace the capacitors ACTION The electric motor stops during operation ERROR Has the thermistor fuse blown Has the fuse in the power sourc...

Page 18: ... Box Door Motor POWER CONNECTOR THERMISTOR MOTOR CONNECTOR GND GND GND CONNECTION BLOCK ELECTRONIC CENTRIFUGAL SWITCH RUN CAPACITOR START CAPACITOR M1 C2 C1 BLUE WHITE RED BLK BLUE BRN GRN Y Harting 04 02 03 01 05 01 08 03 010 EU 1 Blue 2 Brown 3 Green Yellow 09 CONNECTION BLOCK 02 07 06 18 Diagrams 1022 002 ...

Page 19: ...ications Motor p n Cert Voltage V Frequency Hz Power kW Pha ses Poles Flange size R Ca pacitor μF VA S Ca pacitor μF VA 597048201 CE 220 50 2 2 1 4 B14 40 450 150 250 597048202 CE 230 60 2 2 1 4 B14 40 450 200 250 1022 002 Technical data 19 ...

Page 20: ...2019 04 23 ...

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