Service
Ball Check Valve Repair
Tools Required
DTorque wrench
D
D
NOTE: A Fluid Section Service Kit is available. See the Repair Kit Matrix on page 21 to find the correct kit for your pump. Parts included in the kit are marked with an asterisk in the Parts Drawing on page 22, for example (201*). Use all the parts in the kit for the best results.
NOTE: To ensure proper seating of the balls (201), always replace the seats (101) when you replace the balls.
Disassembly (See Fig. 6)
1.Relieve the pressure.
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9.
WARNING
Some of the pump parts and assemblies are heavy. Use proper lifting equipment and techniques.
2.Using a
(54)holding the outlet manifold (50) to the fluid covers (51).
3.Remove the seats (101), balls (201), and
(102)from the fluid covers (51).
4.Remove the inlet manifold bolts (54).
5.Remove the seats (101), balls (201), and
(102)from the fluid covers (51).
Reassembly (See Fig. 6)
1. | Clean all parts, and inspect for wear or damage. |
| Replace parts as needed. |
2. | Reassemble in the reverse order, following all |
| notes in Fig. 6. Be sure all parts are assembled |
| exactly as shown. |
1Torque to 55 to 60
2The ball seat is on the same side as the step for the
3To ensure proper seating, visually check that the manifold (50 or 53) is centered on the fluid covers (51) before you tighten the screws (54).
54 1
50 3
201
102
101 2
51
54 1
201
102
101 2
53 3
NOTE: To ensure proper seating, visually check |
that the manifold (50 or 53) is centered on the fluid |
covers (51) before you tighten the screws (54). |
Fig. 6
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