SKF MKU Series Assembly Instructions

5
Table of contents
Masthead ............................................................................................. 4
Table of contents ............................................................................... 5
Safety alerts, visual presentation, and layout ................................ 7
1. Safety instructions ........................................................................ 8
1.1 General safety instructions .................................................... 8
1.2 General electrical safety instructions ................................... 8
1.3 General behaviour when handling the product ................... 8
1.4 Intended use ............................................................................ 8
1.5 Persons authorized to use the product ................................ 8
1.6 Foreseeable misuse ................................................................ 9
1.7 Referenced documents ........................................................... 9
1.8 Prohibition of certain activities .............................................. 9
1.9 Painting plastic components and seals ................................ 9
1.10 Safety markings on the product ......................................... 9
1.11 Note on the type plate.......................................................... 9
1.12 Notes on CE marking ........................................................... 9
1.13 Note on Low Voltage Directive ........................................ 10
1.14 Note on UKCA marking ..................................................... 10
1.15 Note on EAC marking ........................................................ 10
1.16 Note on China RoHS mark ............................................... 10
1.17 Emergency shutdown ........................................................ 10
1.18 Assembly, maintenance, fault, repair .............................. 10
1.19 First start-up, daily start-up ............................................ 10
1.20 Residual risks ...................................................................... 11
2. Lubricants .....................................................................................12
2.1 General information ............................................................. 12
2.2 Material compatibility .......................................................... 12
2.3 Temperature properties ...................................................... 12
2.4 Aging of lubricants ............................................................... 12
2.5 Avoidance of faults and hazards ........................................ 12
2.6 Solid lubricants ..................................................................... 12
3. Overview, functional description ...............................................13
3.1 General .................................................................................. 13
3.2 Structure of a gear pump unit ........................................... 13
3.3 Description of designs ......................................................... 14
3.4 Gear pump unit without control unit ................................. 15
3.5 Gear pump unit with control unit (IG/IZ38, IGZ36, IG54) 15
3.6 Control unit designs with their basic settings .................. 15
3.7 Lubrication systems ............................................................. 17
3.7.1 General ...................................................................... 17
3.7.2 Total-loss lubrication systems................................ 17
3.7.3 Single-line lubrication systems with piston
metering devices ................................................................. 18
3.7.4 Lubrication cycle sequence ..................................... 18
3.7.5 Lubrication cycle of relubrication metering device
.............................................................................................. 18
4. Technical data ..............................................................................19
4.1 Technical connection data ................................................... 19
4.2 Order code for MKU gear pump units ............................... 20
4.3 Order code for MKF gear pump units ............................... 22
4.4 Order code for MKL gear pump units ............................... 23
5. Delivery, returns, storage ...........................................................24
5.1 Delivery .................................................................................. 24
5.2 Return shipment .................................................................. 24
5.3 Storage .................................................................................. 24
5.4 Storage temperature range ............................................... 24
5.5 Storage conditions for products filled with lubricant ...... 24
5.5.1 Storage period up to 6 months .............................. 24
5.5.2 Storage period between 6 and 18 months .......... 24
5.5.3 Storage period more than 18 months .................. 24
6. Assembly ...................................................................................... 25
6.1 General .................................................................................. 25
6.2 Setup and attachment ......................................................... 25
6.3 Minimum mounting dimensions ........................................ 25
6.4 Assembly drawing with minimum mounting dimensions
....................................................................................................... 26
6.4.1 MKU/MKF gear pump units with 2-liter plastic
reservoir for oil and fluid grease ...................................... 26
6.4.2 MKU/MKF/MKL gear pump units with 3-liter plastic
reservoir for oil and fluid grease ...................................... 27
6.4.3 MKU/MKF/MKL gear pump units with 3-liter metal
reservoir for oil and fluid grease ...................................... 28
6.4.4 MKU/MKF/MKL gear pump units with 6-liter plastic
reservoir for oil and fluid grease ...................................... 29
6.5 Connection examples ........................................................... 30
6.5.1 MKF hydraulic connection ....................................... 30
6.5.2 MKU hydraulic connection ...................................... 30
6.5.3 MKL hydraulic connection ....................................... 31
6.6 Attachment of a gear pump unit ........................................ 31
6.7 Electrical connection ............................................................ 31
6.7.1 Electric motor connection ....................................... 32
6.7.2 Electric motor connection with cable socket and
circular connector ............................................................... 33
6.7.3 Electric motor connection with screwed glands .. 33
6.8 Terminal diagrams ............................................................... 33
6.8.1 Legend to the terminal diagrams .......................... 33
6.8.2 Terminal diagrams for MKU/MKF, without control
unit ....................................................................................... 34
6.8.3 Terminal diagrams for MKU/MKF/MKL, 3- or 6-
liter reservoir, with control unit ........................................ 46
6.8.4 MKF, IG/IZ38 control unit, voltage design
230/115 VAC ...................................................................... 47
6.9 Lubrication line connection ................................................. 49
6.10 Assembly of the main lubrication line with cone ring
fitting ............................................................................................. 50
6.11 Assembly of the lubrication lines using quick couplings50
6.12 System criteria for MKL gear pump unit ........................ 51
6.13 General information on lubrication line routing ............ 51
6.14 Venting an MKU/MKF/MKL centralized lubrication
system .......................................................................................... 52
7. First start-up ............................................................................... 53
8. Operation ...................................................................................... 54
8.1 General .................................................................................. 54
8.2 Intermediate lubrication pushbutton ................................. 54
9. Maintenance and repair ............................................................. 55
9.1 General .................................................................................. 55
9.2 Maintenance schedule ......................................................... 55
9.3 Service ................................................................................... 55
10. Cleaning ...................................................................................... 56
10.1 Basics .................................................................................. 56
10.2 Interior cleaning ................................................................. 56
10.3 Exterior cleaning ................................................................ 56
11. Faults, causes, and remedies .................................................. 57

SKF MKU Series Specifications

General

Brand	SKF
Model	MKU Series
Category	Water Pump
Language	English