To Check Valves, GP7122 Repair Instructions

GP7122 REPAIR INSTRUCTIONS

NOTE: Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring.

TO CHECK VALVES

1)Lossen and remove screws (58C) with a 24mm socket wrench.

4)Take out valve assemblies (52 & 51) using either tool (part #07704) or a stud bolt.



	58B	58A	57

2) Take plugs (58) out of valve	3) Remove the compression
casing (50) by tightening	spring (57) O-Ring		(58A)
screws (58C) against valve	and support ring (58B).
casing with two screws.

51C (Suction)

52C (Discharge)

5)Valve seats (51C and 52C) are pressed out of spacer pipe (51F) by hitting the valve plate (51D) with a socket extention.



51E	51D	52C	51A	51B

6)Check surfaces of valve plate (51D), valve seat (51C or 52C), o-rings (51A), and support rings (51B). Replace worn parts.