Part 5 - Troubleshooting - Briggs & Stratton CE8070 Troubleshooting Manual

Portable Pressure Washer Familiarization and Troubleshooting Guide
Section 6 • Medium Frame Pump

Part 5 - Troubleshooting

Problem
1. Water leakage at mating flanges.
Water leakage from chemical
2.
injector.
Water leakage between pump head
3.
and spacer plate.
Water leaks from high pressure out
4.
connector.
Water leaking out of head bolts.
5.
Water leaking out behind spacer
6.
plate.
Possible Cause
a. Head bolts improperly torqued.
b. Damaged head.
c. Missing or damaged o-rings
a. Chemical injection fitting improperly
torqued.
b.Check ball missing.
c. Check ball stuck.
a. Head bolts improperly torqued.
b. Defective head gasket.
c. Damaged head.
d. Missing or damaged o-rings.
a. Connector not properly seated.
b. Damaged connector.
a. Defective or missing head gasket.
b. Head bolts improperly torqued.
c. Porosity in spacer plate.
a. Thermal bypass piston missing or
defective.
b. Bad or missing thermal bypass piston
spring.
c. Bad o-ring on thermal bypass piston.
d. Low pressure water seals leaking.
73
Corrective Action
a. Torque head bolts.
b. Replace head.
c. Install new o-rings.
a. Torque fitting.
b. Replace check ball and spring.
c. Remove, clean and replace fitting, ball and
spring.
a. Torque head bolts.
b. Install good head gasket.
c. Replace head.
d. Install new o-rings.
a. Seal with teflon tape and tighten properly.
b. Replace bad connector.
a. Install new head gasket.
b.Torque head bolts properly.
c. Replace spacer plate.
a. Install thermal bypass piston.
b. Install new spring.
c. Install new o-ring.
d. Install new low pressure seals.