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Portable Pressure Washer Familiarization and Troubleshooting Guide
Section 6 • Medium Frame Pump
Sectional View Parts List
Item
Qty
1
3
2
3
3
6
4
3
5
1
6
3
7
3
8
3
9
1
10
1
11
1
12
1
13
1
14
1
15
1
16
1
17
1
18
1
19
1
20
1
21
1
22
1
23
1
24
1
25
1
26
1
27
3
Description
Outlet port cap
O-ring, outlet port
Check valve
O-ring, check valve
Head sub-assembly
Bearing ring
High pressure seal
O-ring, check valve
Thermal bypass actuator and stem
Trapped line pressure seat
Chemical injection venturi
Chemical injection spring
Chemical injection ball
Chemical injection fitting
Unloader ball spring
Trapped line pressure piston
assembly
Unloader ball
Ball seat assembly
Unloader spindle assembly
Unloader handle
Setscrew, M6-1.0 x 8mm
Plastic cap
Unloader spring
Thermal actuator piston o-ring
Thermal actuator spring
Thermal actuator piston
Piston
Item
Qty
28
1
29
-
30
1
31
1
32
1
33
1
34
1
35
1
36
1
37
1
38
1
39
1
40
4
or 4
41
4
or 4
43
3
44
6
45
3
46
1
47
1
48
3
49
1
50
6
51
6
53
Description
Oil breather cap
Loctite
O-ring
Axial cam bearing assembly
Axial cam
Engine adapter
Engine adapter bearing
Thrust washer
O-ring
Washer retainer
Engine shaft adapter
C-ring cam retainer
Button head cap screw, 5/16"-24
Socket head cap screw, 5/16"-24
O-ring, if button head
Flat washer, if socket head
Piston pivot shoe
Socket head cap screw, M6-1.0
Piston return spring
Pump crankcase
Spacer plate
Pilot ring
Head gasket
Socket head cap screw, M8-1.25
Special steel washer
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Table of Contents
Troubleshooting
