Instruction Manual for F1300/1600 Mud Pump
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fluid end parts as following:
Note: Most of the parts in fluid end are designed with metal to metal seating to alleviate
friction wear from breathing action encountered in modern high pressure pump operation.
For this reason it is essential that all parts should be clean and free of rust, nicks and
burrs to ensure reliable seal before being assembled.
Fig. 8 F
－
1300/1600 Fluid end assembly
1. Wear-resisting plate seal; 2. Wear-resisting plate; 3. Liner flange; 4. Liner seal ring; 5. Liner press
cover; 6. Liner; 7. Liner locking ring; 8. Piston rod; 9. Piston; 10. Piston seal; 11. Nut; 12. Locating
plate; 13. Valve rod guide; 14. Plug plate; 15. Cylinder head seal ring; 16. Cylinder head plug; 17.
Cylinder head; 18. Valve cap seal ring; 19. Mud guard packing; 20. Valve cap
1.6.1. Valves and Seats
Remove three valve caps (20), three cylinder heads (17), and plugs (16) as shown in Fig.8. And
thoroughly clean all machined surfaces in the fluid end with a good cleaning solvent.
Make sure all valve seat bores are very clean and dry (free of dirt, grease, anti-rust compound, etc).
THOROUGHLY CLEAN AND DRY the valve seats and installs suction and discharge valve seats into the
valve pot bores. Drive seats firmly into place with a bar and hammer to ensure contact closely. Install
valves and springs and the other parts.
6
7
8
10
9
11 18
12
13
20
15
14
16
17
1
2
3
4
5
19
