
TROUBLESHOOTING OVERVIEW
Tools Necessary to Service the
KARCHER
®
High-Pressure Washer Pump
Part 3.532-757.0
Special Tools
•
Valve pliers . . . . . . . . . . . . . . . . . . . . . . . . . 4.901-062
•
Installation tool . . . . . . . . . . . . . . . . . . . . . . 2.901-034
(HP seal, oil seal)
•
Silicon grease . . . . . . . . . . . . . . . . . . . . . . . 6.288-044
(for packing and O-rings)
•
Lithium grease . . . . . . . . . . . . . . . . . . . . . . 6.288-079
(for O-rings on bypass valve)
•
Non-detergent pump oil . . . . . . . . . . . . . . . .6.288-050.0
Generic Tools
•
Allen Wrench 8mm
•
Allen Wrench 6mm
•
Torx TX30 Socket Wrench
•
Needle Nose Pliers
•
Rubber Mallet
•
Pliers
•
Flat Head Screwdriver
•
Phillips Head Screwdriver
•
Hammer
•
Safety Goggles
How to Use This Manual
It is not necessary to read this entire manual to find a solution
to a problem. This manual identifies four basic ways the pump may
malfunction. Find the section that defines the malfunction
of the pump. Turn to that section's overview page and identify
the specific problem. Then go to the solutions page for that
specific problem. If you don't know what the problem is, work your
way through the problems listed until you find and correct the
problem.
Low Water Pressure . . . . . . . . . . Section 1
Water Leaks . . . . . . . . . . . . . . . . . Section 2
Oil Leaks . . . . . . . . . . . . . . . . . . . Section 3
Detergent Delivery Failure . . . . . Section 4
Always wear safety rated eye protection and clothing.
For any other problems contact KARCHER
®
technical support
at
1-800-877-2424.
3
Pump 785 9/28/01 3:06 PM Page 3
www.mymowerparts.com
For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983