Portable Pressure Washer Familiarization and Troubleshooting Guide Section 7 • Large Frame Pump
Spacer Plate Referring to Figure 7.17, remove the spacer plate from between the crankcase and pump head, as follows:
1. If present, remove two (2) M5-0.80 x 20mm truss head bolts along with the o-ring seal on each bolt. 2. Separate the spacer plate from the crankcase. 3. Remove the three (3) white pilot spacers.
Figure 7.17 - Spacer Plate Removal
4. Remove the three (3) piston oil seals from the pump crankcase. 5. Remove the thermal bypass piston and the thermal bypass spring. 6. Completely remove all traces of the head gasket from the mating surface.
Item
Name
1
Thermal bypass spring
2
Thermal bypass piston & o-ring
3
Spacer plate
4
Low pressure seal
5
Pilot spacer
6
Piston oil seal (in crankcase)
86