Dynaset HKR 500 User manual

rev 1.1
HKR 500
HKR 800
HKR 1300
HKR 2000
HKR 2500
HKR 4000
HKR 5000
HKR 7500
Download PDF version from www.Dynaset.com/manuals Keycode: MQT36Y
HYDRAULIC SCREW COMPRESSORS
USER MANUAL

Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: [phone] | inf[email protected] | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
TABLE OF CONTENTS
1. GENERAL 7
1.1. PRODUCT INFORMATION 7
1.2. PRODUCT IDENTIFICATION KEY 7
1.3. TYPE PLATE 8
1.4. HKR COMPRESSOR LINEUP 9
1.5. MAIN COMPONENTS OF HKR COMPRESSOR 10
2. SAFETY 11
2.1. SAFETY PRECAUTIONS 11
2.2. SAFETY EQUIPMENT 11
2.3. OPERATING SAFETY 12
2.4. MAINTENANCE SAFETY 13
2.5. WARNING LABELS 13
3. OPERATING PRINCIPLES 15
3.1. OPERATING DESCRIPTION 15
3.2. LUBRICATION SYSTEM OF COMPRESSOR 17
3.3. PRESSURE AND COMPRESSION RATIO 17
3.4. INTAKE VALVE 18
3.4.1. FUNCTIONAL PRINCIPLE OF PNEUMATIC INTAKE CONTROL 19
3.5. MULTIBLOCK 20
3.6. OIL NONRETURN VALVE 22
3.7. AIROIL SEPARATING ELEMENT 23
3.8. MINIMUM PRESSURE VALVE 24
3.9. OIL FILTER 25
3.10. OIL THERMOSTAT 26
4. INSTALLATION 27
4.1. BEFORE INSTALLATION 27
4.1.1. HYDRAULIC SYSTEM OF A BASE MACHINE 27
4.1.2. DYNASET VALVES 34
4.2. INSTALLING DYNASET HYDRAULIC PRODUCT 35
4.2.1. PLACING DYNASET HYDRAULIC PRODUCT 35
4.2.2. INSTALLING DYNASET VALVES 35
4.2.3. CONNECTING HYDRAULIC HOSES 35
4.2.4. HYDRAULIC FLUIDS 37
4.3. INSTALLING HKR COMPRESSOR 37
4.3.1. MAXIMUM INCLINATIONS 37
4.3.2. CONNECTION TO THE AIR SUPPLY SYSTEM 38

Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: [phone] | inf[email protected] | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
TABLE OF CONTENTS
5. OPERATION 39
5.1. BEFORE STARTING THE COMPRESSOR 39
5.2. STARTING THE COMPRESSOR 40
5.3. AIR AND OIL TEMPERATURES 41
5.4. AIR HUMIDITY 42
5.5. OFFLOAD MODE 43
5.6. COLD STARTS 43
5.7. STOPPING THE COMPRESSOR 44
6. MAINTENANCE 45
6.1. MAINTENANCE INTERVALS 46
6.2. HYDRAULIC FLUIDS 46
6.3. COMPRESSOR OILS 47
6.3.1. MULTIGRADE OIL 48
6.3.2. TEMPERATURES AND OIL TYPES 48
6.4. CLEANING THE COMPRESSOR 49
6.5. OIL LEVEL CHECK 50
6.6. OIL CHANGE 52
6.7. REPLACING OIL FILTER 55
6.8. REPLACING AIROIL SEPARATING ELEMENTS 57
6.9. REPLACING AIR FILTER ELEMENT 59
6.10. ADJUST THE OFFLOAD PRESSURE 61
6.11. TROUBLESHOOTING 62
7. MANUFACTURER’S LIMITED WARRANTY 67
8. PRODUCT DISPOSAL 69
9. DECLARATION OF CONFORMITY 71
10. TECHNICAL SPECIFICATIONS 73

Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: [phone] | inf[email protected] | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
TABLE OF PICTURES
Picture 1: Identication key for HKR 7
Picture 2: Type plate 8
Picture 3: HKR compressor line-up 9
Picture 4: Main components of HKR compressor 10
Picture 5: Operating description: Air intake and lubrication 15
Picture 6: Operating description: Air output, oil ltering and cooling 16
Picture 7: The nominal discharge of hydraulic screw compressor 17
Picture 8: Operating principles of intake valve 18
Picture 9: Functional principle of pneumatic intake control 19
Picture 10: Multiblock of HKR 1300 - HKR 2500 20
Picture 11: Multiblock of HKR 4000 and HKR 5000 - HKR 7500 21
Picture 12: Operating principle of oil non-return valve 22
Picture 13: Operating principle of air-oil separating element 23
Picture 14: Operating principle of minimum pressure valve 24
Picture 15: Operating principle of oil lter 25
Picture 16: Operating principle of oil thermostat 26
Picture 17: Open centre hydraulic system with Load Sensing variable displacement pump 28
Picture 18: Connection gure for open centre hydraulic system with Load Sensing variable displacement pump 29
Picture 19: Closed centre hydraulic system with Load Sensing variable displacement pump 30
Picture 20: Connection gure for closed centre hydraulic system with Load Sensing variable displacement pump 31
Picture 21: Hydraulic system with xed displacement pump 32
Picture 22: Connection gure for hydraulic system with xed discplacement pump 33
Picture 23: Load sensing valve LSV 34
Picture 24: Priority valve PV-SAE 34
Picture 25: Placing the HKR compressor 35
Picture 26: Installing hydraulic hoses 36
Picture 27: P-line operational hydraulic ow 36
Picture 28: Base machine’s hydraulic pumps 36
Picture 29: Return line connection 37
Picture 30: Maximum inclination angle of HKR compressor 37
Picture 31: Air supply system connection 38
Picture 32: Air supply line hose diameter and length 38
Picture 33: Oil level of the HKR compressor 39
Picture 34: Starting the compressor 40
Picture 35: Compressed air must not be used as breathing air 41
Picture 36: Normal operating ambient temperature 41
Picture 37: Operating in extreme ambient temperatures 42
Picture 38: Operating air humidity 42
Picture 39: Oil return sight glass 43
Picture 40: Stopping the compressor 44
Picture 41: Depressurizing the compressor 45
Picture 42: Temperatures and oil types 48
Picture 43: Location of oil ller cap 50