Alemite 3643 Manuale di servizio - Pagina 14
Sfoglia online o scarica il pdf Manuale di servizio per Unità di controllo Alemite 3643. Alemite 3643 14. Electronic preset metered control valve
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Control Valve Indications
Continuous product flow
Reduced or zero flow
No product flow
Leakage at Top Case (16) or
Bottom Case (43)
Leakage at Swivel
Assembly (13)
Leakage at Valve Assembly
Leakage at front end of Nozzle
Leakage at Extension Assembly 1. Initial tightening not sufficient
Meter Indications
Battery indicator appears on
display
The AUTO icon disappears
from the display
Display blank
Meter is not accurate
Meter does not count and the
flow rate is normal
* Do not apply thread sealant to the first two (2) threads. Contamination can occur.
Revision (10-04)
Troubleshooting Chart
Possible Problems
1. O-Ring (28) worn or damaged
2. Foreign material under valve Seal (31)
1. Gears (35 and 36) clogged
2. Clogged Screen (14)
3. Clogged system
4. Gears (35 and 36) installed incorrectly
Manual Nozzle (2, 4, or 10) not open
1. Seal (25) worn or damaged.
2. O-Ring (26) worn or damaged
3. Initial tightening of Screws (32) not
sufficient
4. O-Ring (34) worn or damaged
1. Swivel internal seal worn or damaged.
2. Initial tightening of Swivel Assembly
(13) not sufficient
3. O-Ring (12) worn or damaged.
Seal (31) worn or damaged.
Nozzle damaged
2. Thread sealant missing or inadequate
Possible Problems
1. Weak Batteries
2. Dirty contacts
1. Weak Batteries
2. Dirty contacts
1. Dead Batteries
2. Batteries installed incorrectly
3. Dirty contacts
1. Incorrect scale factor
2. Flow rate above maximum
3. Flow rate below minimum
1. Gears (35 and 36) installed incorrectly
2. Circuit Board (21) defective
Changes Since Last Printing
Added Model 3644-C
14
Electronic Preset Metered Control Valve
Solutions
1. Use Valve Kit 393307-217
2. Disassemble, clean, and inspect seat
area. Check mating surfaces and use
Valve Kit 393307-217as necessary.
Locate and eliminate source of foreign
material.
1. Overhaul metering gear cavity
2. Clean Screen (14)
3. Clean system filter
4. Make sure the gears mesh properly
Open Nozzle (2, 4, or 10)
1. Use Valve Kit 393307-217
2. Replace O-Ring (26)
3. Tighten Screws (32) in a crisscross
pattern to 90 inch pounds (10.2 Nm).
4. Replace O-Ring (34)
1. Use Swivel Kit 393307-219
2. Tighten Swivel Assembly (13)
3. Replace O-Ring (12)
Use Valve Kit 393307-217
Replace Nozzle
1. Tighten leaking connection
2. Apply thread sealant* to male pipe
threads
Solution
1. Replace Batteries
2. Clean Batteries and terminals
1. Replace Batteries
2. Clean Batteries and terminals
1. Replace Batteries
2. Make sure the positive terminal on
Battery coincides with the positive
indicator mark on the Battery Door
3. Clean Batteries and terminals
1. Change scale factor
2. Decrease flow rate
3. Increase flow rate
1. Make sure to locate the gears properly
in the Housing
2. Use Circuit Board Kit 393307-203
Alemite Corporation