Air Dimensions Incorporated Dia-Vac Instructies voor onderhoud en demontage

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Standard DIA-VAC®
MAINTENANCE AND DISASSEMBLY INSTRUCTIONS
A. General Operations Characteristics
1. The Dia-Vac® normally runs at 130 to 150 degrees F. It is not an indication of trouble if the
outer surfaces of the Dia-Vac® Pump or motor are hot to the touch.
2. To check pumping efficiency, employ suitably damped gauges connected so as to dead-end
either pressure or vacuum.
NOTE: Check each separately, One or the other port must be open during this test. Use 0-60 PSI
pressure gauge and 0-30 inch hg. vacuum gauge, (or mercury manometer.)
Minimum pressure should be 40 PSIG for the .222 eccentric
Minimum vacuum should be 22 inches hg. For the .222 eccentric
3. The Dia-Vac® normally runs quietly, especially when both pressure and vacuum ports are
connected into a closed system. An obvious knock or rattle could indicate a problem. Check
through "Disassembly and Inspection Procedures" with particular attention to the tightness of all
screw fasteners.
4. All bolts and screws except A19005 and A19006 should have one drop of Loctite® Remov-
able 242® (or equivalent) on threads before tightening.
B. Maintenance Procedures
1. Motor oiling
No oiling or other lubrication addition is necessary at all with the Dia-Vac® pumps. Please note
the Air driven GAST® motor does require SAE 10 oil lubrication for proper operation.
2. Diaphragm Replacement (See also Maintenance Procedure Below)
a.) Standard EPDM (part 4002 or complete repair kit 11009).
b.) Teflon® coated EPDM (part 4001 or complete repair kit 11005).
c.) Viton® (part 4003 or kit complete repair kit 11007).
d.) Teflon®/Viton® (part 4009 or kit 1 complete repair kit 11006)
e.) All-Teflon® (part 4009 or kit complete repair kit 11011)
The degree of usage and condition of operating temperatures or pressure will determine the rate
of replacement of part or parts. For heavy loads (25-75 PSI) and constant operation the dia-
phragm should be inspected at least every six months.
(0707)
Air Dimensions Incorporated
1371 West Newport Center Drive, Suite # 101
Deerfield Beach, FL, 33442
800.423.6464 / 954.428.7333 ph , 954.360.0987 fax
www.airdimensions.com
"We Pass Your Gas"