SECTION 4 / DETERGENT DELIVERY FAILURE
15
Detergent Delivery Failure
A. Pump Not Drawing Detergent or Water Exiting Detergent Tube
Detergent filter (39) or check valve (35) may be clogged or damaged.
High-pressure nozzle on trigger gun may be damaged.
B. Pump Is Cycling
Nozzle insert (30) is damaged and must be replaced.
8...Swash plate ball bearings
6...Swash plate housing
4...Forward O-ring
2...Oil bath housing
37...Ball bearing
38...Spring
10...Piston (3)
41...High-pressure valve plug (3)
29
...
Bushing (3)
30...High pressure seal (3)
47...Pump head bolt (4)
44...High-pressure valve cap (3)
43...High-pressure valve spring (3)
42...High-pressure valve cage (3)
11...Piston spring
12...Piston housing
33...Water outlet
21...Water inlet
31...non-return check valve
31...Nozzle insert
22...Water
inlet filter
40...Detergent filter with
metering valve
9...Swash disk
1...Pump shaft
35...Nipple
20...Bypass valve
19...Spring
18...Thermal relief valve
17...Thermal relief
valve housing
16...Screw (2)
15...Deflector cap
14...Fastening cap
27...Low-pressure valve basket (3)
26...Low-pressure valve spring (3)
25...Low-pressure valve plate (3)
24...Low-pressure valve seat (3)
5...Pump shaft ball bearing
7...Nut
39...Detergent tube
34...Retainer clip
36...Detergent non-return
check valve
23...Connection piece (2)
13...Weep holes (3)
45...High-pressure valve seat (3)
46...Pump head
3...Pump shaft seal
28...Oil seal (3)
Pump 777 9/28/01 3:56 PM Page 15
www.mymowerparts.com
For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983
