Additel 927 - Repair Instructions; Pre-pressurization piston repair

03
④
⑤
2. Repair Instructions:
Use detergent to clean the pump. The detergent needs to be compatible with NBR, UPVC, brass and stainless steel. Rotate the pre-pressurization
screw press in and out several times to clean the inside of the pump. Next, blow-dry the pump (note: the pressure of the plastic chamber should
not exceed 100kPa).
Reassemble all parts and ensure operation.
High-Pressure and fine
adjustment piston
Pre-pressurization
piston
Connection ports
components
Isolation valve