Utile LW625 Installation & Operation Manual Download Page 1 | Manualshive

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The Utile Engineering Co. Ltd.

11/08/06

Irthlingborough, Northamptonshire. England
Tel: +44 (0) 1933 650216
Fax: +44 (0) 1933 652738

1 IC154

Installation

Operation

Maintenance Instructions

Model LW625 – LW825

Blower / Vacuum Pump

with manual 4 way valve

Serial Number

Site Location

Installation Date

1
2
3
...
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Summary of Contents for LW625

Page 1: ...hlingborough Northamptonshire England Tel 44 0 1933 650216 Fax 44 0 1933 652738 1 IC154 Installation Operation Maintenance Instructions Model LW625 LW825 Blower Vacuum Pump with manual 4 way valve Serial Number Site Location Installation Date ...

Page 2: ...ipment into which the machine has been incorporated and the said equipment declared to be in conformity with the Machinery Directive they must not be put into service Foreword The LW rotary blowers and vacuum pumps have been developed based on many years of experience in the compressor and vacuum pump industry Using modern design techniques and production methods coupled with rigorous testing and ...

Page 3: ...k on the displacement principle They provide a constant low pulsation supply of air or gas The machines have a cylindrical bored housing The rotor which is also cylindrical is fitted eccentrically in the cylinder so that a crescent shaped working chamber is formed Movable rotor vanes are fitted in the longitudinal grooves in the rotor centrifugal force and the force of the air or gas presses the b...

Page 4: ...rgency stop buttons and other such devices if fitted are to be checked regularly to ensure that they continue to function correctly and will protect the installation and personnel in the event of an emergency NO attempt should be made to touch the machine whilst it is rotating Particular care is needed when checking rotor clearances Any movement of rotors may trap fingers Most machines certain pip...

Page 5: ... wrapped for general protection The ancillary components are packed suitably within the case The packaging and contents should be received in good condition When unpacking do not remove the inlet outlet protection covers The contents should be inspected against the advice note notify Utile Engineering within 3 days of any items which are damaged or are missing followed by a written claim within se...

Page 6: ...0 Nm M16 100 00 Nm M6 10 00 Nm M20 150 00 Nm M8 18 00 Nm M24 250 00 Nm M10 40 00 Nm Location The machine should be installed in a clean dry well ventilated area Allow adequate space and facilities for service inspection and future expansion A minimum of 0 75m of working space around the machine is recommended Adequate space around the motor and machine particularly any fan inlets is also necessary...

Page 7: ...arallel alignment see fig 5 Place a straight edge across the coupling The hubs will be in correct alignment when the straight edge contacts the 4 points squarely Drive Belts 1 Remove any dirt oil etc from all mating surfaces Place bush in hub and match half holes on both shafts 2 Mount assembly in desired position on shafts ensuring both shafts are parallel and in correct alignment use a straight ...

Page 8: ...ll equipment is installed and earthed in accordance with current legislation 9 Check all piping connections 9 If the system is to be pressure tested all gauges and pressure switches must be isolated or removed Maximum purge or pressure test is 1 50 times the working pressure 9 Check all protective devices ensuring they are working correctly 9 Ensure personnel are adequately protected from accident...

Page 9: ...ur works If it found necessary to alter the oil feed then proceed as follows using fig 7 1 Loosen off locking nut 8 from adjusting screw retaining bracket 2 To decrease flow back off external nut 9 towards shoulder of adjusting screw To increase flow tighten external nut 9 onto adjusting screw retaining bracket 3 Tighten locking nut 8 onto adjusting screw retaining bracket Lubricator Maintenance R...

Page 10: ...are recommended to be replaced after 15000 operating hours or 2 years whichever is sooner Blades must be replaced regardless of wear after 20000 operating hours as failure due to fatigue could cause serious damage After maintenance the machine and equipment must be treated as new and all pre commissioning checks should be made Install all protective devices and controls properly after completion o...

Page 11: ... Warped Sticking blades 4 Replace blades 1 Insufficient lubricant to cylinder 1 Inspect clean oil lines oil holes 2 Incorrect lubricant 2 Use correct lubricant 3 Dirty inlet air gas 3 Clean inspect intake Excessive blade wear 4 Excessive operating temperature 4 See remedies for excessive discharge temperature 1 Worn bearing 1 Replace bearing 2 Excessive blade wear 2 Replace blades check lubricatio...

Page 12: ...le Engineering Service Department for advice During inspection determine if the correct oil is being used Bearings cylinder wall rotor shaft assembly and blades should show a polished surface with a light film of oil Hard baked deposits indicate inferior oil dirt or excessive temperature 3 Reassembly after Blade Inspection Reassemble in the reverse order taking note of the following points 3 1 Ens...

Page 13: ...tly smear the shaft with oil to assist assembly The correct clearances for these machines are LW625 LW825 Drive End Coverplate Rotor 0 33mm 0 38mm 0 38mm 0 44mm Rear End Coverplate Rotor 0 10mm 0 13mm 0 10mm 0 13mm Rotor Cylinder 0 10mm 0 13mm 0 10mm 0 13mm Reassembly should start with the preparing of the rotor and shaft assembly by the fitting of the replacement spacing rings 6 if required and t...

Page 14: ... correct orientation on top of cylinder flanges with valve body gasket 63 in position Refit oil pipes Prime oil pipes before use Reassemble ballast valve assembly 7 Spare Parts A stock of the main wearing parts at the installation site is important to the constant availability and smooth running of the machine We recommend the following parts and quantities to be kept in stock at the installation ...

Page 15: ...3054 S8991 1 54 Csk Socket Head Cap Screw G1155 G1155 2 19 Non Return Valve S9287 S9287 1 55 Valve Body S9279 S9279 1 20 Coupling S9678 1 S9678 1 1 56 Valve Plug S9278 S9278 1 Oil Pump Assembly cw S14002 2 S14002 2 57 Valve Cover S9280 S9280 1 21 Oil Pump Assembly ac S14002 1 S14002 1 1 58 O Ring F1165 F1165 1 22 Oil Tank Level Gauge J1029 J1029 1 59 Handle SK2264 SK2264 1 23 Gasket Coverplate DE ...

Page 16: ...defect are incurred 2 Malfunction caused by fair wear and tear abnormal conditions of use accident neglect or misuse of equipment or improper storage 3 Deviation from operating specifications or other special terms of sale 4 Improper operation maintenance or repair 5 Damage resulting during shipment or installation by other than company authorised personnel 6 Freight charges for goods returned to ...

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