If you are the owner of Chore Master pressure washer you will need the table below. This is a great manual that can be used to repair faults. It is written in simple language that allow using the information even if you are not a professional. It describes the problems of various kinds – pressure washing is not working, is not turning on, has low pressure and so on. Choose your type of failure and solve the problem yourself.
| SYMPTOM | PROBABLE CAUSE | REMEDY |
|---|---|---|
| Engine will not start. | Various engine problems. Unit components are frozen. | Allow to thaw. If any part of the unit becomes frozen; excessive pressure may build up in the unit which could cause the unit to burst resulting in possible serious injury to the operator or bystanders. |
| No discharge at nozzle when trigger mechanism is squeezed. | Inadequate water supply. | Ensure hose is 3/4” diameter and incoming water supply is turned on. Remove kink. |
| Low or fluctuating pressure. | Kink in water inlet hose. | Replace hose. |
| Kink in high pressure discharge hose. Water inlet screen obstructed. | Remove screen, clean or replace. Tighten all water intake connections | |
| Pump sucking air. (Prime eliminated) Eliminate leaks in intake line. | Insert a high pressure nozzle. Remove, clean or replace. | |
| Not in high pressure mode. Obstructed or worn spray nozzle. Damaged or obstructed valve assy. | Remove, inspect, clean or replace, on pump. | |
| Pump packings worn. | Replace packings. | |
| Bypass valve not operating correctly. | Repair or replace. | |
| Water is leaking from the “Heat Dump Valve” | Water temperature is too high. Defective valve. | Do not allow the unit to operate in the bypass mode (with trigger gun closed) for more than 3 minutes. Replace. |
| Oil appears milky or foamy. | Water in oil. | Change pump oil. Fill to proper level. |
| Oil leaking from unit. | DO NOT USE!!!!! | Contact Choremaster Customer Service. |
| Detergent will not siphon into Low Pressure Detergent mode. | Detergent strainer is not completely submerged in detergent solution. Detergent strainer obstructed. | Check, submerge if necessary. Inspect, clean or replace. |
| Detergent hose cut, obstructed or kinked. | Inspect, clean or replace. | |
| Detergent adjusting knob on pump turned to closed position. (If applicable.’ | Open adjusting knob. Refer to )“Cleaning with Detergents” | |
| Not in low pressure mode. | Insert 6540° (BLACK) nozzle. | |
| Nozzle assembly is plugged. | Clean or replace. | |
| Too many high pressure hose extensions attached to the water outlet. | Use one extension maximum. | |
| Ball & Spring in Venturi stuck. | Remove, clean or replace. | |
| Water flows back into detergent container. | Ball & Spring in Venturi reversed, missing or corroded. | |
| Water flows from the nozzle when the trigger gun is locked in the “OFF” position. | Gun is malfunctioning. | Repair or replace. |