Karcher PW 20 Service Manual

Summary of PW 20

  • Page 1

    English 5.906-507.0 rev. 00 (08/10) 1 pw 20, pw 30/1 service manual.

  • Page 2

    2 english 5.906-507.0 rev. 00 (08/10) contents 1 preface 3 2 safety instructions 3 2.1 hazard levels 3 3 technical features 3 3.1 required tools 3 4 parts of the system 3 5 basic settings and service procedures 6 5.1.1 remove the covering plate 6 5.1.2 replacing the brush roller - pw 20 6 5.1.3 repl...

  • Page 3

    English 5.906-507.0 rev. 00 (08/10) 3 good service work requires extensive and practice- oriented training as well as well-structured training materials. Hence we offer regular basic and advanced training programmes covering the entire product range for all service engineers. In addition to this, we...

  • Page 4

    4 english 5.906-507.0 rev. 00 (08/10) 1 casing 2 power cord 3 spray hose 4 power switch 5 running roller 6 safety switch 7 mount for swivel arm 8 valve handle 9 suction pipe 10 carrying handle 1 brush roller 2 spray nozzles 3 covering plate 4 brush roller drive 5 running roller 4 parts of the system...

  • Page 5

    English 5.906-507.0 rev. 00 (08/10) 5 1 power switch 2 holding plate 3 running roller 4 safety switch 5 hood 6 casing 7 spray hose 8 valve handle 9 suction pipe 10 power cord 1 running roller 2 brush roller 3 spray hose 4 spray nozzle 4.2 pw 30/1 10 5 1 4 9 8 2 6 3 7.

  • Page 6

    6 english 5.906-507.0 rev. 00 (08/10)  danger first pull out the plug from the mains before carrying out any tasks on the machine. 1 fastening screws 2 covering plate Î unscrew locking screws. Î remove the covering plate. 1 brush motor 2 swivel arm, right 3 brush roller drive 4 brush roller 5 swive...

  • Page 7

    English 5.906-507.0 rev. 00 (08/10) 7 Î remove the connecting cable from the brush mo- tor. Î unscrew the fastening screws (2x) for the brush motor. Î remove the brush motor. Î install the new brush motor in reverse sequence. 1 brush motor 2 anti-interference filter 3 power cord 4 clamp for mains ca...

  • Page 8

    8 english 5.906-507.0 rev. 00 (08/10) 1 toothed wheel, brush roller 2 fastening screw, brush roller 3 gear belt 4 toothed drive wheel Î remove the fastening screw from the brush roller. 1 toothed wheel, brush roller 2 gear belt 3 toothed drive wheel Î remove the toothed belts from the toothed wheels...

  • Page 9

    English 5.906-507.0 rev. 00 (08/10) 9 1 fastening screw, brush roller Î tension the toothed belt at the fastening screw and tighten the fastening screw using suitable tools. Î screw in the toothed belt cover. 1 toothed belt cover 2 fastening screws Î unscrew locking screws. Î remove cover. Î remove ...

  • Page 10

    10 english 5.906-507.0 rev. 00 (08/10) 1 motor holder 2 fastening screws, motor support Î unscrew locking screws. 1 motor Î carefully remove the motor from the casing. 1 connector 2 motor connection plug 3 cable connector screw, noise filter 4 anti-interference filter Î remove the connector from the...

  • Page 11

    English 5.906-507.0 rev. 00 (08/10) 11 Î remove the motor as described in chapter 5.2.2. 1 motor connection plug 2 cable connector screw, noise filter 3 anti-interference filter 4 connecting cable, noise filter Î pull the motor connection plug from the motor. Î unscrew the cable connector screw from...

  • Page 12

    12 english 5.906-507.0 rev. 00 (08/10) 1 spray valve 2 spray hose 3 lock nut Î unscrew the knurled nut. Î pull the spray hose from the spray nozzle. 1 hose inlet 2 spray hose 3 suction pipe Î pull the spray hose from the hose grommets. Î replace the spray hose and install it in reverse or- der. Î pu...

  • Page 13

    English 5.906-507.0 rev. 00 (08/10) 13 Î remove the motor as described in chapter 5.2.2. Î remove the mains cable from the connector on the motor. Î loosen the hexagonal (arrow). Î remove the cable ties from the suction pipe. Î replace the mains cable and install it in reverse order. Î install the m...

  • Page 14

    14 english 5.906-507.0 rev. 00 (08/10)  danger first pull out the plug from the mains before carrying out any tasks on the machine. Î rinse pw 20 or pw 30/1 with clear water. Î clean the brush roller of lint and dirt. Î check the spray pattern of the nozzle mouth piece; if it is irregular, clean th...

  • Page 15

    English 5.906-507.0 rev. 00 (08/10) 15 9 circuit diagram 9.1 pw 20

  • Page 16

    16 english 5.906-507.0 rev. 00 (08/10) 9.2 pw 30/1.