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H.E.R.O. Industries Pressure Washer Owners Manual
Page 15
PUMP SERVICE
All inlet and discharge valves can be serviced without disrupting the inlet or discharge plumbing. The
inlet and discharge valves are identical on all H.E.R.O. models. See pages 8-10 and 14-16.
VALVE ASSEMBLIES
1. To service any valve, remove valve cap ( ref # 10 ) and extract valve assembly ( ref # 4-A-D-9 ).
2. Examine o-rings and replace if there is any evidence of cuts, abrasions or distortion.
3. Remove valve assembly ( ref # A-D ) from valve cavity.
4. Remove o-ring ( ref # 4 ) from valve cavity.
5. Only one valve kit is necessary to repair all the valves in the pump. The kit includes new o-rings,
valve seat, poppet, spring and retainer, ( ref # 4, A-D ) all pre-assembled.
6. Install new o-ring in valve cavity.
7. Insert assembly into valve cavity.
8. Replace valve cap ( ref # 10 ) and torque to 74 foot pounds.
50
4
A
10
9
D
C
B
11
11
9
10
1
3
2