Alemite 7735 Panduan Servis - Halaman 13
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Halaman Cetak
Medium-Pressure Bulk Grease Pump
Pump Indications
Pump does not cycle
Pump will not prime
Product is aerated *
Pump cycles rapidly
Pump will not stall (cycles more than
once or twice/hour)
External Leaks
Product leakage from weep hole in
Body (10)
Visible at air motor base
Product leakage at bottom of Body (10)
Visible on Upper Tube (23)
Air leakage from weep hole in
Body (10)
Felt at air motor base
Product leakage visible between Upper
Tube (23) and Lower Tube (29)
Pump will not prime or product is
aerated *
Internal Leaks
Pump will not prime or pump will not
stall (cycles more than once or
twice/hour)
* Should the pump aerate product, see Section entitled Prove the Pump for details.
Alemite Corporation
Troubleshooting Chart
Possible Problems
1. Insufficient air pressure
2. Air motor not operating properly
3. Pump tube jammed and/or contains loose
components
1. Pump leaking internally
2. Improper seal between Camlock
Adapter (19) and camlock
3. Bulk container connection fittings leaking
4. Pump leaking externally
1. Improper seal between Camlock
Adapter (19) and camlock
2. Bulk container connection fittings leaking
3. Pump leaking externally
Product source empty
1. Pump leaking internally
2. Pump leaking externally
3. Distribution system leaking
1. Damaged U-Cup Seal (13)
2. Damaged air motor piston rod.
1. Pump tube not sufficiently tight
2. Damaged O-Ring (22)
Damaged Seal (11)
1. Pump tube not sufficiently tight
2. Damaged O-Ring (27)
1. Damaged O-Ring (18)
2. Damaged O-Rings (16)
1. Foreign material between Check Valve (26) and
Upper Valve Seat (28)
2. Foreign material between Lower Valve Seat (33)
and Valve Plate (35)
3. Worn or damaged Check Valve (26)
4. Worn or damaged Upper Valve Seat (28)
5. Worn or damaged Lower Valve Seat (33)
6. Worn or damaged Valve Plate (35)
7. Worn or damaged U-Cup Seal (25)
8. Worn or damaged Lower Rod (21)
9. Worn or damaged U-Cup Seal (31)
10. Worn or damaged Lower Tube (29)
Changes Since Last Printing
Removed Kit 393673
13
Solution
1. Increase air pressure
2. Inspect air motor and rebuild or replace as
necessary
3. Rebuild pump tube
1. See Internal Leaks
2. Replace seal in camlock
3. Seal fittings and tighten securely
4. See External Leaks
1. Replace seal in camlock
2. Seal fittings and tighten securely
3. See External Leaks
Replenish product
1. See Internal Leaks
2. See External Leaks
3. Correct leak
1. Separate pump tube from air motor and replace
U-Cup Seal (13)
2. Inspect piston rod and replace as necessary
1. Tighten pump tube assembly
2. Separate pump tube from air motor and replace
O-Ring (22)
Separate pump tube from air motor and replace
Seal (11)
1. Tighten pump tube assembly
2. Separate Upper Tube (23) from Lower Tube (29)
and replace O-Ring (27)
1. Remove Camlock Adapter (19) and replace
O-Ring (18)
2. Replace O-Rings (16)
Locate and eliminate source of foreign material.
Disassemble pump tube, clean, inspect and replace
worn or damaged components.
Revision (6-03)
SER 7735