Assembly And Dismantling Of Parts - Ranpump F50-AX Operating And Maintenance Manual

7.0. ASSEMBLY AND DISMANTLING OF PARTS

This explanation refers to figures defined in part (7.0) line (12) fig. 14a.
7.1. Ball check valve repair
Tools required
- Torque wrench
- 17 mm wrench
- 15 mm wrench
7.1.1 Dismantling
NOTE: To ensure proper seating, you should change the seats with the
ball check valves.
1- Relieve the pressure in pump. Remove the hoses.
2- Dismount the pump from the ground.
3- Remove the upper elbow manifolds and bolts fixing them to the
main body using 17 mm wrench.
4- Remove the manifold o-rings, ball cages, valve balls and ball
seats from the pump cover.
5- Turn the pump over. Remove inlet manifolds. Remove the o-
rings, ball cages and and valve balls from the pump.
7.1.2.Re-Assembly
1- Clean all the parts and inspect for wear.
2- You can re-assemble the pump in reverse order. Check valve
balls must be placed on the cages using their own weight.
3- If assembled differently, the pump will not work.
4- Tighten the screws applying the proper torque from the torque
chart. (Fig. 7)
WARNING:
Before service and maintenance always relieve the air and fluid
pressure.
Figure 11- check valve repair
15