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Troubleshooting
Pump indications
Pump does not cycle.
Pump will not prime.
Pump cycles rapidly.
Pump cycles continuously, or slowly
(once or twice/ minute).
External leaks
Product leakage visible at weep hole
in body (7).
Product leakage visible at bottom
of body (7).
Air leakage at weep hole in body (7).
Product leakage visible at weep hole
in tube (26) and/or adapter (41).
Internal leaks
Pump does not prime or cycles
continuously, or slowly (once or twice/
minute),
Possible problems
Air motor not operating properly.
Pump tube jammed and/or contains loose components.
Insufficient air pressure.
Excessive cycling speed.
Pump leaking internally.
Product source empty.
Pump leaking internally.
Pump leaking externally.
Distribution system leaking.
Damaged seal (17).
Damaged air motor piston rod.
Pump tube not sufficiently tight.
Damaged gasket(s) (20).
Damaged seal (15).
Pump tube not sufficiently tight.
Damaged gasket(s) (27).
Foreign material between ball (36) and adapter and
insert assembly (38).
Foreign material between valve body (46) and valve
seat (47).
Worn or damaged ball (36).
Worn or damaged adapter and insert (38).
Worn or damaged valve body (46).
Worn or damaged valve seat (47).
Worn or damaged seal (30).
Worn or damaged piston (33).
Worn or damaged seal (45).
Worn or damaged primer rod (40).
15
Solution
Inspect air motor and rebuild or replace as
necessary.
Rebuild pump tube.
Increase air pressure.
Reduce air pressure.
→ Internal leaks.
Replenish product.
→ Internal leaks.
→ External leaks.
Correct leak.
Separate pump tube from air motor and
replace seal (17).
Inspect piston rod and replace as necessary.
Tighten pump tube assembly.
Separate pump tube from air motor and
replace gaskets (20).
Separate pump tube from air motor and
replace seal (15).
Tighten pump tube assembly.
Disassemble pump tube and replace
gaskets (27).
Locate and eliminate source of foreign material.
Disassemble pump tube, clean, inspect and
replace worn or damaged components.
Table 7
Publicidad
