Unibloc-Pump UNIBLOC-PD Series Operation & Service Manual Download

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Operation & Service Manual

UNIBLOC-PD

Models: 200-576

Original Instructions

MANUAL NO.: PD200-576 REVISION: 09/2019

Summary of Contents for UNIBLOC-PD Series

Page 1: ...Operation Service Manual UNIBLOC PD Models 200 576 Original Instructions MANUAL NO PD200 576 REVISION 09 2019...

Page 2: ...g photocopying and recording for any purpose without the express written permission Unibloc Pump Copyright 2019 Unibloc Pump All Rights Reserved Revision Date 09 2019 Manual No PD200 576 Unibloc Pump...

Page 3: ...51 576 Front Loaded Single Mechanical Seal Removal 19 4 4 1 6 UNIBLOC 501 551 576 Front Loaded Single Mechanical Seal Installation 19 4 4 2 Flushed Single Mechanical Seal 20 4 4 2 1 Flushed Single Mec...

Page 4: ...5 2 3 Pump Assembly QuickStripTM Rotors 31 4 6 Relief Valve Cover Service 32 4 6 1 Relief Cover Model 46 32 4 6 2 Relief Cover Model B 33 4 7 Compac Pump Series Service 34 4 8 Troubleshooting 35 5 0 T...

Page 5: ...nce are meeting the requirements set forth in EC Directive 2006 42 EC If the product is modified without our written permission or if the safety instructions in the instruction manuals are not being f...

Page 6: ...on manuals are not being followed this declaration becomes invalid Machine Description Rotary Lobe Pump Assembly Product Denomination UNIBLOC PD GP ASSEMBLY Model Type PD200 677 GP200 450 Directives A...

Page 7: ...tion can be modified using either a foot for horizontal or pedestal for vertical Port orientation should be specified when ordering Figure 1 0 Figure 1 1 Bearing housing Pump Model Bearing housing Pum...

Page 8: ...ing conditions pumps and or drives and or the systems within which they are installed can produce sound pressure levels that exceed 80dB In such cases ear protection should be used 1 2 3 Marking CE Fi...

Page 9: ...t pipes filled with liquid are very heavy See figure 2 2 1 for recommended pipe layout Figure 2 2 1 Pump or pump assembly must be electrically connected by authorized personnel follow the motor instru...

Page 10: ...rom exceeding maximum allowable pressure is recommended If an integrated safety relief valve is installed do not allow extended periods of recirculation through the valve UNIBLOC PUMP can either integ...

Page 11: ...Figure 3 1 When you receive your product please follow these steps Check packaging for any damage in transit Check the packing slip against received goods If an assembly make sure the manual for the...

Page 12: ...oling Do not expose pump to rapid temperature changes this may seize the pump as a result from thermal shock Allow at least 1m 3feet free space around the pump for easy maintenance access Figure 3 2 1...

Page 13: ...fter or at the same time the pump is disengaged VERTICAL PUMP PORTS recommended piping arrangement HORIZONTAL PUMP PORTS recommended piping arrangement FLUSH OUTLET PRESSURE GAUGE FLUSH OUTLET CONTROL...

Page 14: ...essurizing the chambers such that grease will be squeezed out of the seals along the shafts and into the rotor housing The amount of grease in the seal chambers must be monitored daily and if the pump...

Page 15: ...tions Ver ify with UNIBLOC PUMP or the documentation supplied with the pump that the operating parameters are not exceeded Always rinse well with clean water after using cleaning agent 4 2 Steam In Pl...

Page 16: ...kit Qty 1 5 o rings 1 wet end o ring kit for Metal Rotors Qty 1 5 o rings 4 4 Shaft Seal Service DISENGAGE POWER TO THE MOTOR before proceeding with the following steps If the pump is connected to pip...

Page 17: ...ionary Seal Faces and Stationary Seal O Rings by pulling them out of the rotor housing Remove the Rotating Seal Faces the Rotating Seal O Rings and Rotating Seal Washers by sliding them off the shafts...

Page 18: ...ings with water or coat them with a lubricant that is acceptable for use with the product Slide the Rotating Seal O Rings onto the shafts and then the Rotating Seal Faces slotted sides first Align the...

Page 19: ...nk markings can be made on surface of Rotor Housing to show location of pins and similar markings can be made on seal face to show location of pin slots Align the Stationary Seal pin slots with the Se...

Page 20: ...the flush housings after all other seal parts have been removed back into the rotor housing seal bores Push or tap the lip seals with a tube to remove them 4 4 2 2 Flushed Single Mechanical Seal Insta...

Page 21: ...from the Flush Housings Loosen the Drive Collar set screws by inserting an allen wrench into the flush housing port holes Loosen the stud nuts item 43 in Figure 4 4 1 Remove the rotor housing item 1 i...

Page 22: ...ack the seal components on the Stationary Seal Faces primary Begin with Rotating Seal Faces primary slotted sides up Place the Rotating Seal O Rings primary into the Rotating Seal Faces primary Next p...

Page 23: ...s Truck Transport pumps 4 4 4 1 UNIBLOC 200 575 Double O Lip Seal Removal Loosen the stud nuts item 43 in Figure 4 4 1 Remove the rotor housing item 1 in Figure 4 4 1 by pulling on the ports or by tap...

Page 24: ...01 551 576 Front Loaded Double O Lip Seal Installation Check the Wear Sleeves for wear If grooves are noticeable the sleeves may need to be replaced Place new Seal Cartridge O Rings into the groove of...

Page 25: ...tuds by locking two M6 nuts against each other on the exposed threaded stud ends Remove the Rotor Housing by pulling on the ports or by tapping gently with a rubber mallet All seal parts will come off...

Page 26: ...onal sleeve is used sleeve will be removed with cartridge 4 4 5 4 UNIBLOC 300 575 Single O Ring Seal Installation Check the shafts or optional sleeve for wear If grooves are noticeable they may have t...

Page 27: ...ng system as discussed in section 3 3 disconnect it from the Flush Housings Loosen the stud nuts item 43 in Figure 4 4 1 Remove the Rotor Housing by pulling on the ports or by tapping gently with a ru...

Page 28: ...e rotors are metal slide the rotor shaft o rings 27 over the splined shaft ends and on the step if applicable One of the rotors will have a small marking on the rear end This indi cates that this roto...

Page 29: ...e the correct values If the measured clearances at positions 9 and 11 are not within the tolerances listed the shafts must be adjusted by disassembling the gearbox as instructed in section 3 0 and cha...

Page 30: ...a hydraulic press before the shafts are installed into the bearing housing Oil the shafts at the bearing seat location and slide the bearings on so that the text on the bearing shoulder will make cont...

Page 31: ...slide the bearings on so that the text on the bearing shoulder will make contact with the shaft shoulder Use extreme caution to not damage the bearing components or the splined shaft end when using t...

Page 32: ...housing 10 to reveal the adjusting mechanism Release the lock ring 15 and turn it and the adjusting sleeve 16 clockwise until they bottom out Turn the sleeve counterclockwise until the pressure gauge...

Page 33: ...will now be removable as one unit It is now possible to replace the diaphragm 9 10 Press back the diaphragm 9 10 on the cover 12 after replacement Slide the spring housing 5 back on the cover bolts 1...

Page 34: ...ure below It is important to always remove flange connected to electric or gear motor first to ensure limited loss of bearing housing oil These bolts would also need to be removed when rotating pump f...

Page 35: ...closed valves or obstructions In crease pump speed BUT DO NOT EXCEED PRESSURE LIMITS OF PUMP Increase discharge pipe size Increase pump size 5 Tighten cover nuts to torques specified in section 5 3 6...

Page 36: ...ed 4 Motor pump misalignment 1 Increase motor size 2 Lower pump speed Lower pressure Check suction and discharge piping for closed valves or obstructions 3 Decrease pump speed Increase pipe size or sh...

Page 37: ...5 0 Technical Data 5 1 General Dimensions and Weights Drawing D100 shows overall dimensions for all models 200 0 to 677 A separate service manual is required for model 600 677 501 Series pumps are no...

Page 38: ...lubricated the pump must first be stopped Remove the oil level check plug If oil does not come out of this hole it must be added through the vent hole until it starts to do so Reattach the vent and oi...

Page 39: ...and tight Hand tight 3 Hand tight Hand tight Foot Pedestal Mounting Bolt 19 Key Size mm Torque Settings Nm Torque Setting lbft N A N A N A 6 Hand tight Hand tight 8 Hand tight Hand tight 8 Hand tight...

Page 40: ...4 3 1 12 14 4 7 5 5 6 8 2 4 3 1 250 12 14 4 7 5 5 6 8 2 4 3 1 12 14 4 7 5 5 6 8 2 4 3 1 275 14 16 5 5 6 3 6 8 2 4 3 1 12 14 4 7 5 5 6 8 2 4 3 1 300 15 17 5 9 6 7 12 14 4 7 5 5 12 14 4 7 5 5 8 10 3 1 3...

Page 41: ...tion under section 1 2 Each serial number is linked to a unique build code see example 1 0 below Example 1 0 Product Description UNIBLOC PD 400 Size B Stainless Pump Bearing Housing A Standard Front C...

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Page 53: ...r instructed has been altered or used with unauthorized accessories has been subject to misuse abuse or accident or has been dam aged due to causes not related to poor workmanship or defective materia...

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