Alemite 7886-S5 Посібник з експлуатації - Сторінка 13

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Alemite 7886-S5 Посібник з експлуатації
Medium-Pressure Stainless Material Pump
Pump Indications
Pump does not cycle
Pump will not prime
Pump cycles rapidly
Pump cycles continuously, or
slowly (once or twice/hour)
External Leaks
Product leakage visible at torque
hole or bottom of Packing Screw
(12)
Product leakage visible at top of
Body (23)
Product leakage visible at bottom
of Body (23)
Product leakage visible at top of
Foot Valve (40)
Internal Leaks
Pump does not prime or cycles
continuously, or slowly
(once or twice/hour)
Alemite Corporation

Troubleshooting Chart

Possible Problems
1. Packing Screw (12) too tight
2. Air motor not operating properly
3. Pump tube jammed and/or contains
loose components
4. Insufficient air pressure
1. Excessive cycling speed
2. Pump leaking internally
Product source empty
1. Pump leaking internally
2. Pump leaking externally
3. Distribution system leaking
1. Packing Screw (12) not sufficiently tight
2. Worn or damaged V-Packings (19)
3. Damaged Piston (11)
1. Gland Screw (16) not sufficiently tight
2. Damaged Gasket (22)
1. Pump tube not sufficiently tight
2. Damaged Gasket (22)
1. Foot Valve (40) not sufficiently tight
2. Damaged Gasket(s) (22)
1. Foreign material between Ball (39) and
Foot Valve (40)
2. Foreign material between Valve (37)
and Valve Seat (36)
3. Worn or damaged Ball (39)
4. Worn or damaged Foot Valve (40)
5. Worn or damaged Valve (37)
6. Worn or damaged Valve Seat (36)
7. Worn or damaged Cup Packing (32)
8. Worn or damaged Packing (34)
9. Worn or damaged Cylinder (24)
Changes Since Last Printing
Changed Cylinder 326908-1
13
SER 7886-S5
Solution
1. Loosen Packing Screw (12)
2. Inspect air motor and rebuild or
replace as necessary
3. Rebuild pump tube
4. Increase air pressure
1. Reduce air pressure
2. See Internal Leaks
Replenish product
1. See Internal Leaks
2. See External Leaks
3. Correct leak
1. Tighten Packing Screw (12) with
use of torque bar
2. Replace V-Packings (19)
3. Inspect Piston (11) and replace as
necessary
1. Tighten Gland Screw (16)
2. Replace Gasket (22)
1. Tighten pump tube assembly
2. Replace Gasket (22)
1. Tighten Foot Valve (40) into
Cylinder (24)
2. Replace Gasket(s) (22)
Locate and eliminate source of foreign
material.
Disassemble pump tube, clean, inspect
and replace worn or damaged
components.
Revision (8-00)