SECTION 1 / WATER PRESSURE SOLUTIONS
springs. (figure 9)
4. Check valve for wear, debris and pitting. (inset figure 9)
Note: If any one low-pressure valve is damaged, all three valves
should be replaced.
5. Lightly grease 0-rings with silicone grease.
6. Reassemble and reinstall.
Note: low-pressure check valves must be ordered as a unit.
Individual check valve parts can not be ordered separately.
G. Water Leaks–See Section 2 / Water Leaks
H. Pump is Cycling –
See Section 4 / Detergent Delivery Failure
3. Remove valve with valve pliers. (figure 6)
4. Check valve for wear, debris and pitting. (figure 7)
Replace if necessary.
5. Grease O-rings lightly with silicone grease and reassemble.
(figure 7 inset)
F. Low-Pressure Check Valve
1. Remove water inlet housing with socket wrench (4 bolts).
(figure 8)
2. Remove piston housing. (figure 8 inset)
3. Remove low-pressure check valves, including valve disks and
9
F. Low-pressure Check Valve
G. Water Leaks
H. Pump Cycling
figure 6
Figure 8
Figure 9
figure 7
Pump 629 9/28/01 3:22 PM Page 9
www.mymowerparts.com
For Karcher Pressure Washer Parts Call 606-678-9623 or 606-561-4983
