Kärcher 3.532-777.0 Service Handbook
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Kärcher 3.532-777.0 Service Handbook

Kärcher 3.532-777.0 Service Handbook

High-pressure washer pump
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For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983
Pump 777 9/28/01 3:55 PM Page 1
Service Handbook
High - Pressure
Washer Pump
3.532-777.0
10.00
www.mymowerparts.com

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Summary of Contents for Kärcher 3.532-777.0

  • Page 1 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 1 Service Handbook High - Pressure Washer Pump 3.532-777.0 10.00 www.mymowerparts.com...
  • Page 2 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 2 www.mymowerparts.com...

  • Page 3: Troubleshooting Overview

    KARCHER ® High-Pressure Washer Pump through the section until you find and correct the problem. Part 3.532-777.0 Low Water Pressure ... Section 1 Special Tools • Valve pliers ......4.901-062 Water Leaks .
  • Page 4 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 4 MASTER DIAGRAM 1...Pump shaft 2...Oil bath housing 3...Pump shaft seal 14...Fastening cap 4...Forward O-ring 15...Deflector cap 16...Screw (2) 5...Pump shaft ball bearing 34...Retainer clip 17...Thermal relief 6...Swash plate housing valve housing...
  • Page 5 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 5 KARCHER OVERVIEW Swash Plate Assembly The three pistons (10) are driven by the swash plate assembly (6,7,8,9), which is mounted on a pump shaft (3). In the case of a ver- tically configured machine, a drive bolt is screwed into the engine shaft and then inserted into the pump shaft.

  • Page 6: Part Numbers

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 6 KARCHER OVERVIEW & SPECS PART NUMBERS High Pressure Washer Pump 3.532-777.0 ITEM #(S) DESCRIPTION PART # QTY. IN ITEM #(S) DESCRIPTION PART # QTY. IN...

  • Page 7: Section 1 / Low Water Pressure

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:55 PM Page 7 SECTION 1 / LOW WATER PRESSURE 1...Pump shaft 2...Oil bath housing 3...Pump shaft seal 14...Fastening cap 4...Forward O-ring 15...Deflector cap 16...Screw (2) 5...Pump shaft ball bearing 34...Retainer clip 17...Thermal relief 6...Swash plate housing...

  • Page 8: Water Inlet Filter

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 8 SECTION 1 / LOW WATER PRESSURE SOLUTIONS A. Water Supply B. Nozzle C. Water Inlet Filter 2. Remove thermal relief valve housing. (figure 3) D.
  • Page 9 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 9 SECTION 1 / WATER PRESSURE SOLUTIONS F. Low-pressure Check Valve G. Water Leaks H. Pump Cycling 3. Remove valve with valve pliers. (figure 6) 3.

  • Page 10: Section 2 / Water Leaks

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 10 SECTION 2 / WATER LEAKS 1...Pump shaft 2...Oil bath housing 3...Pump shaft seal 14...Fastening cap 4...Forward O-ring 15...Deflector cap 16...Screw (2) 5...Pump shaft ball bearing 34...Retainer clip 17...Thermal relief 6...Swash plate housing...
  • Page 11 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 11 SECTION 2 / WATER LEAKS SOLUTIONS A. Thermal Relief Valve B. Weep Holes – High-Pressure Seals A. Thermal Relief Valve 1. Remove fastening cap and deflector cap. (figure 2) 4.

  • Page 12: Section 3 / Oil Leaks

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 12 SECTION 3 / OIL LEAKS 1...Pump shaft 2...Oil bath housing 3...Pump shaft seal 14...Fastening cap 4...Forward O-ring 15...Deflector cap 16...Screw (2) 5...Pump shaft ball bearing 34...Retainer clip 17...Thermal relief 6...Swash plate housing...

  • Page 13: Oil Reservoir

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 13 OIL LEAKS A. Oil Reservoir B. Weep Hole s– Oil Seals A. Oil Reservoir 1. Oil level should be 1/8”above swash disk. Overfilling causes oil 7.
  • Page 14 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 14 SECTION 3 / OIL LEAK SOLUTIONS C. Pump Shaft Seal C. Pump Shaft Seal figure 21 figure 24 1. Unscrew nut on swash plate housing (figure 21) and remove. 3.

  • Page 15: Section 4 / Detergent Delivery Failure

    For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 15 SECTION 4 / DETERGENT DELIVERY FAILURE 1...Pump shaft 2...Oil bath housing 3...Pump shaft seal 14...Fastening cap 4...Forward O-ring 15...Deflector cap 16...Screw (2) 5...Pump shaft ball bearing 34...Retainer clip 17...Thermal relief 6...Swash plate housing...
  • Page 16 For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983 Pump 777 9/28/01 3:56 PM Page 16 SECTION 4 / DETERGENT DELIVERY FAILURE SOLUTIONS A. Pump Not Drawing Detergent or Water Exiting Detergent Tube B. Pump is Cycling 7. Reassemble, placing spring behind ball to push against detergent check valve.

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