
Table of Contents 3
© Lutz-Jesco GmbH 2018
Subject to technical changes.
181112
BA-10407-02-V08
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions
Table of Contents
1 Notes for the Reader ..........................................................4
1.1 General non-discrimination..........................................................4
1.2 Explanation of the signal words ....................................................4
1.3 Explanation of the warning signs ..................................................4
1.4 Identification of warnings.............................................................4
1.5 Identification of action instructions...............................................4
2 Safety .................................................................................5
2.1 General warnings.........................................................................5
2.2 Warnings for use within explosive-risk zones................................6
2.3 Hazards due to non-compliance with the safety instructions .........6
2.4 Working in a safety-conscious manner .........................................6
2.5 Personal protective equipment.....................................................6
2.6 Personnel qualification.................................................................7
3 Intended use ......................................................................8
3.1 Notes on product warranty ...........................................................8
3.2 Intended purpose.........................................................................8
3.3 Principles ....................................................................................8
3.4 Prohibited dosing media...............................................................8
3.5 Use in explosion risk areas...........................................................8
3.6 Ex label of dosing pump and motor...............................................8
3.7 Foreseeable misuse.....................................................................9
4 Product description .........................................................10
4.1 Properties..................................................................................10
4.2 Scope of delivery .......................................................................10
4.3 Structure of the dosing pump .....................................................10
4.4 Function description ..................................................................10
4.5 Rating plate ...............................................................................11
5 Technical data..................................................................12
5.1 Delivery capacity data................................................................12
5.2 Operating conditions and limits ..................................................13
5.3 Other data .................................................................................13
5.4 Motor data.................................................................................14
5.5 Electrical servomotors ...............................................................18
6 Dimensions ......................................................................19
6.1 MEMDOS LB 4 - 80, 150 ............................................................19
6.2 MEMDOS LB 110, 160 - 1010 ....................................................20
6.3 MEMDOS LB 4 - 80, 150 with electrical servomotor ....................21
6.4 MEMDOS LB 110, 160 - 1010 with electrical servomotor ............21
7 Installing the Dosing Pump..............................................22
7.1 Set up information .....................................................................22
7.2 Installation on a wall console......................................................22
8 Hydraulic installations.....................................................23
8.1 Design of the system..................................................................23
8.2 System piping............................................................................24
8.3 Suction and pressure valves.......................................................24
8.4 Connecting a leakage drain........................................................24
8.5 Hydraulic accessories ................................................................25
9 Electrical installation.......................................................27
9.1 Drive motor connection..............................................................27
9.2 Connection of electric servomotor ..............................................28
10 Control..............................................................................28
11 Operation..........................................................................29
11.1 Commissioning the dosing pump .............................................29
11.2 Commissioning the electric servomotor....................................30
11.3 Decommissioning the dosing pump..........................................30
11.4 Shutting down in an emergency ...............................................30
11.5 Storage ...................................................................................30
11.6 Transportation .........................................................................30
11.7 Disposal of old equipment........................................................30
12 Maintenance ....................................................................31
12.1 Maintenance intervals..............................................................31
12.2 Change the oil..........................................................................32
12.3 Tighten up dosing head bolts....................................................33
12.4 Diaphragm replacement ..........................................................33
12.5 Clean suction and pressure valves............................................34
13 Troubleshooting ...............................................................35
13.1 Type of fault .............................................................................35
14 Spare parts.......................................................................37
14.1 Diaphragm spare parts kits ......................................................37
14.2 Dosing head spare parts kits including valves...........................37
15 Delivery characteristic curves.........................................38
16 EU Declaration of Conformity...........................................40
17 Declaration of no objection..............................................41
18 Warranty claim.................................................................42
19 Index.................................................................................43