Macnaught Lubemate L-DDP13 Instruction Manual

Double diaphragm pump

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L-DDP-im-issue3-2023
INSTRUCTION MANUAL
DOUBLE DIAPHRAGM PUMPS
L-DDP13 (1/2") Nitrile
L-DDP19 (3/4") Nitrile
L-DDP19NA (3/4") Nitrile (Aluminium Body)
L-DDP19V (3/4") Viton
L-DDP25 (1") Nitrile

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Summary of Contents for Macnaught Lubemate L-DDP13

  • Page 1 L-DDP-im-issue3-2023 INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 (1/2") Nitrile L-DDP19 (3/4") Nitrile L-DDP19NA (3/4") Nitrile (Aluminium Body) L-DDP19V (3/4") Viton L-DDP25 (1") Nitrile...
  • Page 2: Technical Specifications

    (dispensing device closed) and will resume pumping when line pressure is reduced (dispensing valve open). IMPORTANT Working Pressure(Bar) POLYPROPYLENE DIAPHRAGM PUMPS ARE COMPATIBLE WITH A WIDE RANGE OF CHEMICALS, ENGINE COOLANTS AND WATER ONLY. lubemate by macnaught | Instruction manual...
  • Page 3: Air And Lube Requirements

    INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 WARNING WARNING Do not exceed the maximum inlet air pressure as stated Static spark can cause an explosion resulting in severe on the pump model plate. injury or death.
  • Page 4 INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 CONNECTIONS lubemate by macnaught | Instruction manual...
  • Page 5 INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 Description Description Hex-bolt M8×70 Connecting Shaft Discharge Manifold Screw O-ring Air Chamber Valve Cover Screw Valve Ball O-ring Valve Seat Air Motor Assembly Liquid Chamber Bracket Hex-bolt M8X50 Hex-bolt M12x25 Diaphragm...
  • Page 6 Valve Seat Screw M5X8 Liquid Chamber O-ring 94.92X2.62 Hex-bolt M8X35 Air Motor Assembly Nut M8 Hex-bolt M8x25 Diaphragm O-ring (9.75x1.78) Air Chamber Plate Liquid Chamber Plate Note: The Part No. with “*”are the wearing parts. lubemate by macnaught | Instruction manual...
  • Page 7 INSTRUCTION MANUA DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 L-DDP19NA PARTS DIAGRAM Description Description Description Hex-bolt M8×55 Hex-bolt M8X25 Hex-bolt M8 Discharge Manifold Bracket Screw M5X8 Valve cover Diaphragm Washer Valve Ball Air Chamber Plate Air Motor Assembly Valve Seat Screw M8X16...
  • Page 8 Seal for press board Seal for gasket O-ring (7.1x2.65) Spacer Washer Pilot valve Spacer Major valve O-ring (6.86x1.78) Spacer O-ring (9.93 x 2.62) Muffler 3/8 O-ring 15.60X1.78 O-ring (20.35 x 1.78) Sleeve AVAILABLE SERVICE KITS lubemate by macnaught | Instruction manual...
  • Page 9 INSTRUCTION MANUA DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 AIR MOTOR DIAGRAM (For Pumps built after Aug 22) 14 15 9 10 11 Improved Valve Core Description Description Description Hex-bolt M6X20 Washe Muffler 3/8" Press board Sleeve O-ring 15.60X1.78 Seal for press board...
  • Page 10 INSTRUCTION MANUA DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 AIR MOTOR DIAGRAM (For Pumps built after March 24) 14 15 9 10 11 Improved Valve Core Description Description Description Hex-bolt M6X20 O-ring 20.35X1.78 *25 O-ring 13.94X2.62 Press board Retaining Ring 25 Major Valve...
  • Page 11 INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 319mm 224.5mm DIMENSIONAL DATA FOR L-DDP13 / L-DDP19 / L-DDP19V 191.5mm 261mm lubemate by macnaught | Instruction manual...
  • Page 12 INSTRUCTION MANUAL DOUBLE DIAPHRAGM PUMPS L-DDP13 / L-DDP19 / L-DDP19NA / L-DDP19V / L-DDP25 DIMENSIONAL DATA FOR L-DDP19NA 182mm 232mm lubematebymacnaught.com.au...
  • Page 13: Troubleshooting Guide

    Check all connections for leaks. NOTE: All connections must be air tight Inspect the pump for solid objects clogged in the diaphragm chamber or check valves. For Warranty Terms and Conditions refer to www.lubematebymacnaught.com.au lubemate by macnaught | Instruction manual...

This manual is also suitable for:

Lubemate l-ddp19Lubemate l-ddp19naLubemate l-ddp19vLubemate l-ddp25

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