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SERVICE MANUAL

USA

Screw Compressor

Model: SM 8

GL---Nr.: BA---SM8.L---1.9620.80030---00

Index: 090201

Volt

Cabinet heaters

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Wye---Delta Start

115 V receptacle

D.O.L. Start

Outdoor modification

psig

Rainhoods

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Switchable Modulation

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Synthetic lubricant

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Wiring Diagram:

Food Grade lubricant . . . . . . . . . . . . . . . . .

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Serial No.:

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KAESER COMPRESSORS, Inc.

P.O. Box 946

Fredericksburg, Virginia 22404

Tel. (540) 898---5500

Fax. (540) 898---5520

Back to Table of Contents

Содержание SM 8

Страница 1: ...Wye Delta Start L 115 V receptacle L D O L Start L Outdoor modification L psig L Rainhoods L L Switchable Modulation L L Synthetic lubricant L Wiring Diagram L Food Grade lubricant Serial No KAESER C...

Страница 2: ...4 Copyright 3 10 4 Transport 4 11 4 1 Transport Instructions 4 11 4 2 Packaging 4 11 5 Construction and Operation 5 12 5 1 Principle of Compression 5 12 5 2 Brief Description 5 12 5 3 Pipe and Instru...

Страница 3: ...filter cartridge 9 38 9 12 Oil Top Off 9 39 9 13 Cleaning the Oil Cooler and Aftercooler 9 41 9 13 1 Removing and cleaning the oil cooler air aftercooler 9 41 9 14 Oil Change Oil Separator Tank and O...

Страница 4: ...rt Electrical diagram SSM8 U1005 00 1 2 Noise Level Noise level to CAGI Pneurop 68 dB A at 1 m distance free sound field measurement 1 3 Motor Compressor motor Rated power 7 5 hp Rated speed 3600 rpm...

Страница 5: ...vating pressure 230 psig 1 6 Installation Requirements Max height above sea level of the place of installation 3000 ft for all heights above please contact authorized KAESER distributor Min ambient te...

Страница 6: ...Hours 4 000 Hours 8 000 Hours Oil changes may need to be more frequent depending on ambient conditions When high ambient temperatures or dirty conditions are present oil changes may be necessary ever...

Страница 7: ...ESER syn thetic compressor oil is less flammable than equal viscosity mineral oils it cannot be classi fied as a fire resistant fluid It has a flash point above 460 F Since the user has total con trol...

Страница 8: ...n be etched by any synthetic lubricant We recommend replacement with metal bowls or the addition of metal guards 1 9 Maintenance for the Electrical Motor Relubricate the compressor motor bearings Unde...

Страница 9: ...Technical Specification 1 6...

Страница 10: ...nt is prevented This symbol identifies environmental protection measures This symbol indicates operations to be carried out by the operator or service technician This bullet identifies listings 2 2 Ge...

Страница 11: ...tant observation for a short period Check the oil level again and top off with oil to replace the oil taken up by the piping and the cooling system Operation of compressor package is not recommended i...

Страница 12: ...ns Maintenance materials wear items replacement parts Ensure that all wear items maintenance and replacement parts accu mulating during operation of the compressor package are disposed of according to...

Страница 13: ...ludes adherence to the installation removal applica tion operational and maintenance instructions laid down by the manufacturer 3 2 Improper use Never direct compressed air toward persons Compressed a...

Страница 14: ...inet and framework min 32 Do not exert any side forces on the compressor unit when transporting with lifting equipment Attention 4 2 Packaging The packaging provided with this compressor as delivered...

Страница 15: ...tion bearings The compressed air and oil mixture leaves the airend via the discharge port 1 2 3 4 6 5 1 Drive shaft 4 Male rotor 2 Oil injection 5 Female rotor 3 Discharge port 6 Air inlet port 5 2 B...

Страница 16: ...Construction and Operation 5 13...

Страница 17: ...Construction and Operation 5 14...

Страница 18: ...d and idle If the compressor package runs in idle for longer than the preset period 1 to 2 for example t1 6 min the drive motor is stopped completely 2 When the lower switching point pmin 3 is reached...

Страница 19: ...point These two periods are set according to the maximum permissible cut in frequency of the compressor motor The running period starts every time the compressor package is switched on It lasts as lo...

Страница 20: ...sor is switched to standstill after the run on period has ex pired 3 If the pressure decay time tpdecay was shorter than the period set for the idle stand still period the idle mode is selected 4 that...

Страница 21: ...nst the ingress of dust and rain Install the compressor according to the following diagram Adhere to the minimum dis tances shown to allow free access to the compressor package Adequate ventilation of...

Страница 22: ...ain power supply and overcurrent protection must be installed by a qualified electrician in accordance with NEC OSHA and any appli cable local codes For fuse and wire recommendations see chapter 1 4 T...

Страница 23: ...2 Points to be Observed before Starting the Compressor Unit ANY NON OBSERVANCE OF THIS OR OTHER REFERENCES WARN ING ATTENTION DANGER CAN LEAD TO ACCIDENTS CAUSING IN JURY TO PERSONS OR DAMAGE TO EQUI...

Страница 24: ...see chapter 5 3 must be open Lock the main disconnect in the off position in accordance with ap plicable lock out tag out procedures example OSHA CFR 29 1910 147 to ensure the compressor does not rest...

Страница 25: ...sertion key 3 with the interlock switch 1 Tighten the bolts 4 again 1 4 4 3 2 2 6 5 1 Door interlock switch 4 Bolt 2 Clamping nut 5 Frame 3 Insertion key 6 Maintenance door Functional check of the int...

Страница 26: ...ance with ap plicable lock out tag out procedures example OSHA CFR 29 1910 147 to ensure the compressor does not restart See chap ter 2 3 for the main disconnect switch The relay is set to the standar...

Страница 27: ...is oil must be of the same type as the oil used to operate the com pressor see label near the oil filler plug on the oil separator tank If no additional oil is available remove required amount of oil...

Страница 28: ...nditions yes no Is a shut off valve fitted by the user yes no Is a flexible connecting hose or axial compensator fitted between the compressor package and the compressed air system yes no Have all scr...

Страница 29: ...in the con troller and can differ from the standard settings described because of requirements spe cific to a customer Note the list of parameters supplied Further details on individual function keys...

Страница 30: ...Remote ON key 9 Return key 5 Load idle key 10 Info event key 11 Acknowledge reset key 8 2 2 Light emitting diodes and plain text display 12 13 19 14 15 16 17 18 20 21 12 Four line plain text display 1...

Страница 31: ...Press the OFF key 2 LED 19 extinguishes Lock the main disconnect in the off position in accordance with applicable lock out tag out procedures example OSHA CFR 29 1910 147 to ensure the compressor do...

Страница 32: ...enance due is shown in the display 12 A list of service messages that may occur during operation is included in the SIGMA CONTROL service manual Carry out the maintenance work Acknowledge service mess...

Страница 33: ...t switch Ensure that no maintenance personnel is working on the compressor unit that all panels are latched back on again and all maintenance doors are closed before restarting the compressor unit To...

Страница 34: ...ion 9 13 Clean or replace the filter mats 9 6 1000 to 2000 h Replace the oil filter 9 11 Proper interval varies See chapter 1 8 Change the oil 9 14 2000 to 3000 h Change the oil separator cartridge 9...

Страница 35: ...direction of the arrow and latch onto the frame Lift the panel 2 and remove To close Turn the locking lever 3 to its initial position Attach the panel 2 making sure that it latches Close the access do...

Страница 36: ...reafter every 500 hours of operation 3 1 2 1 Hexagonal nut 2 Hexagonal nut 3 Indicator pin The belt drive tension is automatically adjusted within a limited range by the pressure spring of the belt te...

Страница 37: ...drive tension after 2 hours of operation and then again after 24 hours of operation as experience shows that the belts stretch mostly during this period 9 6 Cleaning or Replacing the Filter Mat Clean...

Страница 38: ...Unscrew the wing nut 3 and remove the air filter cap 2 and the filter cartridge 4 Clean the air filter cap and sealing surfaces Cleaning the air filter cartridge 4 by tapping Tap the air filter cartri...

Страница 39: ...SIGMA CONTROL See chapter 1 5 for the safety relief valve activating pressure Have the safety relief valve tested by an authorized KAESER distribu tor in accordance with the maintenance schedule see...

Страница 40: ...ure in the oil separator tank escapes Remove the nozzle 6 from the hose coupling 3 Venting the air aftercooler When the compressor package is vented pressure is still present in the air aftercooler an...

Страница 41: ...rdance with ap plicable lock out tag out procedures example OSHA CFR 29 1910 147 to ensure the compressor does not restart Before opening or removing pressurized components pipes hoses tanks etc it is...

Страница 42: ...il Top Off Check the oil level weekly with the oil level sight gauge when the compressor unit is shut down If necessary top off the oil to the maximum level To do this it is imperative that the compre...

Страница 43: ...off valve between the compressor and the compressed air system After an oil change or oil cooler cleaning with removal of the oil cooler run the compressor package up to operating temperature to ensu...

Страница 44: ...t tag out procedures to ensure the compressor does not restart Before opening or removing pressurized components pipes hoses tanks etc it is imperative that the compressor package is completely depres...

Страница 45: ...leaning areas with oil separators suited for such purpose Clean the cooler laminations with compressed air water or steam jet Seat the O rings correctly in the compressed air inlet of the oil air af t...

Страница 46: ...eratures close to the maximum ambi ent temperature see chapter 1 6 change the oil more often e g 1 2 or 1 4 of recom mended interval Drain the oil out of the oil separator tank cooler and the oil pipe...

Страница 47: ...clean container to catch escaping oil The container must be large enough to hold the total oil content of the compressor unit see chapter 1 7 Hang the oil drain hose 10 into the container and secure S...

Страница 48: ...isolation shut off valve in accordance with applicable lock out tag out proce dures The compressor unit oil circulation system vents automatically The pressure gauge on the oil separator tank must in...

Страница 49: ...rdance with applicable lock out tag out procedures example OSHA CFR 29 1910 147 to ensure the compressor does not restart Afterwards carry out a visual check for leaks 9 15 Changing the Oil Separator...

Страница 50: ...e O ring 6 and O ring 9 and dis pose of according to environmental regulations Clean the sealing surfaces of the oil separator tank The oil separating cartridge is disposable and cannot be cleaned Ins...

Страница 51: ...mpressed air system Perform a test run When the operating temperature is reached see chapter 1 1 shut down the compressor package see chapter 8 3 and lock the main disconnect in the off position in ac...

Страница 52: ...Maintenance 9 49 9 16 Maintenance Schedule Model No Serial No Date Description of work Operating hours Signature...

Страница 53: ...90 0 Hose pipe from the air oil cooler to the compressor air end 1 8 1181 0 See chapter 1 3 for details of the V belt set Important for spare parts orders Enter the data on the compressor name plate i...

Страница 54: ...Appendix 11 51 11 Appendix 11 1 Wiring Diagram...

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Страница 70: ...ercooler are clogged Clean with compressed air water or steam injector See chapter 9 13 On water cooled units the heat ex changer elements may be clogged Inspect heat exchanger elements Clean or repla...

Страница 71: ...ing but produces no pressure Possible cause Remedy Airend rotates in wrong direction Reverse motor polarity Inlet valve does not open or opens only partially Check the inlet valve control valve and li...

Страница 72: ...lators 11 2 6 Safety relief valve blows off Possible cause Remedy System does not discharge at idle Make sure ball valve in vent line is open Check the control lines inlet valve and combined control v...

Страница 73: ...il types not listed Oil separator cartridge has ruptured Check pressure differential and re place oil separator cartridge if neces sary Oil separator cartridge mountings are loose Tighten mounting bol...

Страница 74: ...SM 8 SM 11 A 08 B 07 C 14 D 11...

Страница 75: ...rtaining to the number description and needed for each assembly are dealt with in the following pages 3 TO ORDER PARTS When ordering parts furnish the following information to prevent any error Model...

Страница 76: ......

Страница 77: ...et profile 14 1 7 2470 0 Door interlock switch 15 2 6 3121 0 Fillister head screw B 4 8 x 19 16 4 6 3118 00010 Terminal clamp 17 2 6 3122 0 Fillister head screw B 4 8 x 32 18 1 9 1393 00010 Fastener 3...

Страница 78: ......

Страница 79: ...eve dia 20 x 1 8 x 12 5 14 4 6 1328 0 Base of the machine 15 1 6 3013 0 Hex nut M 16 16 1 5 1663 0 Compression spring 17 2 4 9600 0 Disk 18 1 5 0427 0 Disk 21 1 6 0604 0 Clamping sleeve dia 4 x 20 22...

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Страница 81: ...8 21 1 9 0818 1 Hose coupling G 1 4 22 1 2 7553 0 Extension 24 1 8 0411 1 Strainer 25 2 6 0256 0 Angle fitting R 3 8 26 2 5 1519 0 O ring dia 16 x 2 27 1 6 2693 0 Locking screw G 1 2 28 1 5 1584 0 O...

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Страница 83: ...672 1 Tube 14 1 8 1190 1 Hose line 15 1 6 1113 0 Angle G 3 4 16 1 2 8783 0 Control tube 17 1 2 8842 0 Control tube 18 1 2 9374 0 Control tube 19 1 4 4597 0 Angle fitting R 1 4 20 1 6 0249 0 Angle fitt...

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