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The Utile Engineering Co. Ltd.

 

 

15/08/06 

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

12 IC183

 

 

 
 

ITEM DESCRIPTION PART 

No. 

QTY 

 CYLINDER 

 S 10142/2 

 COVERPLATE - DRIVE END 

 S 10132/1A

 COVERPLATE - REAR END 

 S 10132/2A

 ROTOR & SHAFT ASSEMBLY 

 S 10241 

 SPACING RING 

 S 10301 

 BLADE 

 S 2701 

 BALL BEARING 

 H 1057 

 SEAL 

 F 1046/V 

 THRUST WASHER 

 B 1057 

10 

 O-RING 

 F 1232 

11 

 DOWEL 

 E 1000 

12 

 SOCKET HEAD CAP SCREW 

 G 1014 

13 

 SHIM 

 K 1005 

TO SUIT 

14 

 PTFE RING 

 SK 2536 

15 

 BALLAST ADAPTOR 

 S 10299 

16 

 SINTERED FILTER 

 L 1238 

17 

 KEY 

 N 1036 

 
 

After Sales Service 

Contact the address or telephone number shown at the bottom of each page or our local distributor, for any after 
sales service, maintenance or service problems.  
 
Contract maintenance, service exchange machines or a site visit by a Utile service engineer can also be arranged 
in the same manner. 
 
Utile Engineering can also provide Training Programs for all your requirements, from maintenance repair to 
operator and supervisor training. 

Spare Parts List 

Summary of Contents for DSP25-5

Page 1: ...o Ltd 15 08 06 Irthlingborough Northamptonshire England Tel 44 0 1933 650216 Fax 44 0 1933 652738 1 IC183 Installation Operation Maintenance Instructions Model DSP25 5 Vacuum Pump Serial Number Site Location Installation Date ...

Page 2: ...as been incorporated and the said equipment declared to be in conformity with the Machinery Directive they must not be put into service Foreword The SP series rotary vacuum pump has 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 high quality standards ensure this ser...

Page 3: ...cement 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 blades against t...

Page 4: ...stored accidentally during the maintenance or service period Safety trips overspeed trips emergency stop buttons and other such devices 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...

Page 5: ...e recommend that until the machine is installed the shaft be turned a few revolutions by hand every month to ensure the machine is running free The green protective coating on the shaft remains effective for approximately 1 year If the machine is stored for a longer period of time the coat must be renewed Handling Skilled personnel working in accordance with safe working practices must carry out t...

Page 6: ...in threaded holes Mount assembly in desired position on shafts 3 Tighten setscrews Place disc flexible coupling in position and bring the shafts together obtaining the manufacturers assembled length for the coupling given in their instructions 4 To check for angular alignment see fig 5 Rotate the coupling through 90 and measure the distance between the faces Repeat adjusting the shafts until four ...

Page 7: ...rection of rotation agrees with the arrow on top of the machine cylinder Note this should be completed with the coupling drive belts removed 9 Recheck coupling drive alignment and retension 9 Check that the machine is free running by turning the shaft by hand through a few revolutions 9 Check all piping connections 9 Check all protective devices ensuring they are working correctly 9 Flick start th...

Page 8: ...s not to pose a problem for health and safety Observe all lifting points and apply care when handling the equipment Ensure all machines and associated pipework have cooled down sufficiently before touching and attempting any maintenance After any maintenance the machine and equipment must be treated as new and all pre commissioning checks should be made Ensure all guards are secure and in place Be...

Page 9: ...3 Erratic cylinder wear 3 Rebore redowel check lubrication 4 Rotor contacting coverplates 4 Check temperature pressure internal clearances 5 Drive misalignment 5 Realign and retension drive 6 Warped rotor blades 6 Replace rotor blades Abnormal noise vibration or periodic knocking 7 Excessive liquid carryover 7 Drain all points 1 Worn blades 1 Replace rotor blades 2 Improper belt tension 2 Adjust b...

Page 10: ...t strongly to contact Utile Engineering Service Department for advice 2 Reassembly after Blade Inspection Reassemble in the reverse order taking note of the following points 2 1 Ensure the blades 6 are orientated correctly in their slots 2 2 Fit o ring 10 into groove in cylinder 1 end face 2 3 Replace coverplate and screws 3 Cylinder Renewal With the rear end coverplate 3 already removed as descri...

Page 11: ... dowels and bolt with 4 screws 12 and with o ring 10 in place 5 7 Check rotor cylinder clearance Reassemble drive end 5 8 Refit sliding blades 6 in their slots removing any high spots with fine emery cloth Ensure the blades are orientated correctly in their slots 5 9 Fit spacing ring 5 onto the shaft refit the PTFE ring 14 5 10 Press ball bearing 7 onto the shaft 5 11 Replace shaft seal 8 in cover...

Page 12: ... 1000 4 12 SOCKET HEAD CAP SCREW G 1014 8 13 SHIM K 1005 TO SUIT 14 PTFE RING SK 2536 2 15 BALLAST ADAPTOR S 10299 1 16 SINTERED FILTER L 1238 2 17 KEY N 1036 1 After Sales Service Contact the address or telephone number shown at the bottom of each page or our local distributor for any after sales service maintenance or service problems Contract maintenance service exchange machines or a site visi...

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