Boxxer 427 Page 5-9
HydraMaster Corporation
2.4. Chemical metering valve is faulty or partially obstructed. Inspect valve and clean or
replace as necessary.
2.5. High pressure check valve is faulty. Remove and inspect. Clean or replace as
necessary.
3.0. Solution jug fills with water
3.1. Three-way chemical valve is defective. Check valve for leaks between ports. Replace
as necessary
3.2. Inlet check valve in chemical pump is faulty. Remove and inspect valve. Clean or
replace as necessary.
4.0. Chemical in water box
4.1. Chemical pump diaphragm is faulty. Remove and inspect. Replace as necessary.
4.2. High-pressure check valve is faulty. Remove and inspect. Clean or replace as
necessary.
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