HPP ET Serie Instrucciones Para El Ensamblaje Y Mantenimiento página 37

e) Reassemble the valves, and
always replace the O-rings.
Feed and delivery valves for pumps with LQ head
EN
Feed and delivery valves for pumps with MQ and HQ heads
Fig. 13
CAUTION
• At every disassembly operation, always replace the O-rings and grease the seals with silicone grease: degree of penetration
according to ASTM 265-295 standard.
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