Waikato MK5, Technical Manual, Page: 2 / 34

Mk5 Milk Meter
Technical Manual
CONTENTS
2
10 February 1995
Page #
1.
INTRODUCTION 4
2. FEATURES 5
3. DESCRIPTION 6
3.1. THE MILK METER 6
3.2. MEASURING FLASK OPTIONS 7
3.3. SAMPLING 7
3.4. MOUNTING OPTIONS 8
3.4.1. PERMANENT MOUNTING 8
3.4.2. DETACHABLE MOUNTING 8
3.5. LABELLING VARIATIONS 9
3.6. QUALITY ASSURANCE 9
3.7. WAIKATO MK5 MILK METER APPROVAL 9
3.8. MAJOR PARTS OF THE MILK METER 10
4. INSTALLATION 12
4.1. LOCATION 12
4.2. MILK TUBE SIZE 12
4.3. INSTALLATION WITH AUTOMATIC CLUSTER REMOVERS 12
4.4. USE WITH ALFA-LAVAL DUOVAC (or DV300) 12
4.5. WAIKATO MILK METER CONVERSION FROM
30kg (65lb) TO 42kg (92lb) CAPACITY 14
5. OPERATION 15
5.1. TO OPERATE THE METER WITH OPEN BOTTOM FLASK 15
5.2. TO OPERATE THE METER WITH CLOSED BOTTOM FLASK 17
6. CLEANING PROCEDURES 18
6.1. CLEAN IN PLACE PROCEDURE 18
6.1.1. BEFORE MILKING 18
6.1.2. IMMEDIATELY AFTER USE 19
6.1.3. REVERSE FLOW CLEANING SYSTEMS 19
6.1.4. ALKALINE DETERGENTS 19
6.2. MANUAL CLEANING PROCEDURE 20
7. ROUTINE MAINTENANCE 21
8. MILKING MACHINE REQUIREMENTS 22
8.1. EFFECTIVE VACUUM RESERVE 22
8.2. VACUUM LEVEL 22
8.3. AIR ADMISSION AT THE CLAW 23
8.4. LONG MILK TUBE 23
8.5. MILK PIPE SLOPE AND SIZE 23
8.6. RESTRICTING TUBES AND FITTINGS 23
9. TROUBLE SHOOTING 24
9.1. OPERATIONAL PROBLEMS 24
9.1.1. AIR BUBBLING UP THROUGH MILK IN FLASK 24
9.1.2. MILK DOES NOT ENTER FLASK WHEN COW IS MILKING 24
9.1.3. MILK SAMPLE NOT RELEASED WHEN FLASK DEPRESSOR
OPERATED 24
9.2. ACCURACY PROBLEMS 25
9.3. CLEANING PROBLEMS 26
10. PERIODIC INSPECTION 27
10.1. DISMANTLING 27
10.2. INSPECTION 27
11. PERIODIC TEST PROCEDURE 29
11.1. BASIC TEST RIG SET UP 29
11.2. BASIC TEST PROCEDURE 30
11.3. RESULTS ANALYSIS 32
12. REPAIR AND RECALIBRATION PROCEDURE 33
12.1. DAMAGED MILK METERS 33
12.2. MILK METERS THAT FAIL `PERIODIC TEST PROCEDURE' 33