Anest Iwata ALS 333 C, Инструкция по эксплуатации и техническому обслуживанию

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6.9 Pump rod disassembly
1. Secure the suction body (47), unscrew the liner (58) and slip it out.
2. Slip the rod (39) out of the suction body (47).
4. Loosen the adjustment nut (50) and unscrew the upper valve (56).
5. Remove the spacer, the adapters, the gaskets and the upper ball.
6. Unscrew the adjustment cup (40) from the suction body (47) and remove the spacer, the adapters and
the gaskets.
7. Unscrew the lower valve (61) from the liner (58) and remove the ball.
6.10 Pump rod maintenance
1. Dip all components in the cleaning liquid and thoroughly clean them.
2. Make sure the rod (39) and the liner (58) are not damaged. If they show deep scratches in the sliding
areas, replace them.
3. Make sure the upper valve (56) and the lower valve (61) are not damaged, especially in the area in touch
with the ball. If any anomaly is found, replace them.
4. Whenever the pumping unit is completely disassembled, it is advisable to replace the following compo-
nents:
-
46
UPPER GASKETS SET
-
54
LOWER GASKETS SET
-
55
BALL
-
60
BALL
Moreover, check the wear conditions of all the other components and replace them if necessary.
NOTE: For model ALS 423 TX the two sets of gaskets (pos. 46 and pos. 54) can also be
composed of 6 or 8 gaskets. As a matter of fact, replacing the spacer (pos. 52 or
pos. 43) with a thinner one it is possible to locate 6 gaskets. While removing the
spacer (pos. 52 or pos. 43) completely, it is possible to mount up to eight gaskets.