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SeaLand Vacuum Pump manual

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Table of contents for the manual

  • Page 1

    1 Dometic Corporation 13128 S tate Rt 226, P .O. Box 38 Big Prairie, Ohio 4461 1-0038 USA SeaLand Product Hotline 1-800-321-9886 (8:00 a.m. - 5:00 p.m. ET) M-Series V acuum Pump OWNER’S MANUAL[...]

  • Page 2

    2 TABLE OF CONTENTS W ARNING: When using this product, always exercise basic safety precautions including the following: • Read all instructions before use or installation. • Never connect this product to any electrical circuit other than the specified voltage, and never exceed the amperage draw specified in “Electrical Wiring” on page 3. ?[...]

  • Page 3

    3 Electrical Wiring It is imperative that adequate wire size and proper over-current protection (fuse or circuit breaker) sizes are used. The following chart can be used as a guideline. Refer to chart on page 10 for solenoid/relay information. 12 VDC 24 VDC 32 VDC 1 15 V AC (1 phase) 230 V AC (1 phase) 6 to 8 ga. 8 to 10 ga. 10 to 12 ga. 12 to 14 g[...]

  • Page 4

    4 4. Disconnect electrical source to motor , following lock-out/t ag-out procedure. 5. Remove the six (6) 5/16" fasteners around the circumference of the pump top. 6. Carefully remove the pump top from the pump body . 7. Turn the pump top upside down to expose the diaphragm and rod bolt. (See Fig. 3) 8. Remove the rod bolt. 9. Pull the diaphra[...]

  • Page 5

    5 3. Install and adjust first hex nut for proper bushing clearance of 0.020" [.50mm]. 4. Hold adjustment nut from turning and install and tighten the lock nut. 5. Recheck bushing clearance. IMPORT ANT : INADEQUA TE CLEARANCE OR LOOSE LOCK NUT WILL CAUSE THE ECCENTRIC T O BIND, RESUL TING IN PUMP ST ALLING AND PREMA TURE BUSHING WEAR. 6. Follow[...]

  • Page 6

    6 G . MOTOR REPLACEMENT T o Remove: 1. Turn off electrical power to pump. 2. Remove access plate from wiring junction box on motor . 3. Unhook wiring from motor leads. 4. Remove the four (4) motor mounting bolts securing the motor to the speed (gear) reducer . 5. Pull the motor away from the gear reducer . (See Fig. 10) IMPORT ANT : OVER TIME THE M[...]

  • Page 7

    7 TROUBLESHOOTING W ARNING Before attempting to open or service the pump: 1. If possible, flush pump with clean water and disinfectant. 2. Allow motor to cool if overheated. 3. Disconnect power supply to pump before servicing unit. Follow proper lock-out/tag-out procedures. 1. Pump fails to prime. 2. Pump stops or has reduced flow . 3. Excessive cu[...]

  • Page 8

    8 DIMENSIONALSPECIFICA TIONS WIRING DIAGRAMS M-Series V acuum Pump Wiring Schematic (V acuFlush System) NOTE : V acuum t ank pressure switches are wired in parallel for multiple toilet inst allations. Wire to B connections only .[...]

  • Page 9

    9 PARTS LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 310537 310538 342812 342813 342814 342815 342816 342817 342818 341792 342820 342821 342822 342823 341797 340704 Seal and Gasket Kit Bearing and Race Kit Input Shaft 920 MDSN *(SPECIFY RA TIO, SERIAL/MODEL NUMBERS TO ORDER) W orm Gear 920 MDSN *(SPECIFY RA TIO, SERIAL/MODEL NUMBERS TO ORDER) Output Shaft Co[...]

  • Page 10

    10 12VDC SOLENOID 24VDC SOLENOID 32VDC SOLENOID 1 15V AC RELA Y 50/60 HZ 220V AC RELA Y 50/60 HZ 345831 346900 346530 341431 342478 345831 346900 346530 342479 342478 Parts Below Not Shown 1/2HP 3/4HP PARTS LIST M-Series V acuum Pump[...]

  • Page 11

    11 PARTS LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 342469 341598 342422 342466 342770 342454 340689 640286 340720 342413 342472 342759 342404 342405 342419 342406 346604 346615 346795 340687 342459 342675 342757 640321 348702 342684 342456 342449 342402 342403 342467 342688 342462 342675[...]

  • Page 12

    12 MANUF ACTURER’S ONE-YEAR LIMITED WARRANTY SeaLand warrants to the original purchaser only , that this product, if used for personal, family or household purposes, is free from defects in material and workmanship for a period of one year from the date of purchase. If this SeaLand product is placed in commercial or business use, it will be warra[...]