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Milton Roy MILROYAL D, Instruction Manual

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12

Instruction Manual

SECTION 4 - MAINTENANCE INSTRUCTIONS-LIQUID END 1/8” AND 1/4” DIAMETER PLUNGERS

13.  Loosen  gland  cap  and  retighten  1/6  turn                 

(one HEX flat) past finger tight.

14.  Start pump at 100% stroke length but without 

pumping load. It is permissible to run liquid end 
dry,  or  pump  fluid  to  atmospheric  pressure.   
Run for about 1/2 hour.

15. At end of this break-in period put pump into 

full  operation  against  normal  pumping  load.          
Adjust capacity to the desired chemical 
feed.

16. Adjust packing as explained under “Packing 

Adjustment, Start- Up and Replacement”.

Summary of Contents for MILROYAL D

Page 1: ...MILROYAL D Drive With Packed Plunger Liquid End Instruction Manual Manual No 53941 Rev 00 Rev Date 01 2016 ...

Page 2: ...erials of construction of the wetted components of your pump are recommended for the solution chemical to be pumped Pumps Water Primed All pumps are tested with water at the factory If your process solution is not compatible with water flush the Pump Head Assembly with an appropriate solution before introducing the process solution Plumbing and Electrical Connections Always adhere to your local pl...

Page 3: ...ustment Stroke Speed 5 2 3 START UP 5 2 3 1 General 5 2 3 2 Packing 5 2 3 3 Capacity Calibration 5 SECTION 3 MAINTENANCE INSTRUCTIONS DRIVE SECTION 6 3 1 LUBRICATION 6 3 2 SPARE PARTS 6 3 3 RETURNING PUMPS TO THE FACTORY 6 3 4 REPLACING SPARE PARTS 7 3 4 1 Removal of Gear Cage 7 3 4 2 Removal of Crosshead 7 3 4 3 Assembly and Installation of Crosshead 7 3 4 4 Assembly of Gear cage into Pump Housin...

Page 4: ...echanism 19 FIGURE 3 Basic Drive Assembly Drawing 102 2906 0001 20 FIGURE 4 1 8 and 1 4 Liquid Ends Assembly Drawing 102 290 600 015 23 FIGURE 5 7 16 and 5 8 Liquid Ends Assembly Drawing 102 290 600 012 25 LIST OF TABLES TABLE 1 Drive Spare Parts 6 TABLE 2 Spare Parts for Liquid Ends with 1 8 and 1 4 Diameter Plunger 10 TABLE 3 Spare Parts for Liquid Ends with 7 16 and 5 8 Diameter Plunger 13 TABL...

Page 5: ...mes accessory items fastened to the inside of the crate which may be lost or damaged Examine all material inside crate and check against packing list to be sure that all items are accounted for and undamaged 1 3 MOUNTING Refer to Figure 1 Support the pump firmly in a level position on a solid foundation preferable with the base above floor level to protect it from wash downs and provide easier acc...

Page 6: ...ate size pump to prevent excessive pressure losses on the discharge stroke of the pump Maximum pressure at the discharge fitting on the liquid end must be kept at or below the maximum pressure rating as shown on the pump data plate The peak flow of this type pump during the discharge stroke is approximately three times the average flow rate because of harmonic motion of the plunger and discharge p...

Page 7: ...ted equipment will normally require two sources of air supply A standard 60 psig 414 kPa 80 100 psi 552 690 kPa at compressor plant air supply will usually be satisfactory for the power elements An instrument air signal is required for control instruments 1 5 3 Drains Provide drains convenient to the pump so that any leakage may be easily removed The pump catchall area is provided with a cast hole...

Page 8: ...aused to flow in only one direction from the suction port through the displacement chamber and out the discharge port 2 2 OPERATION 2 2 1 Pre Operational Inspection After the pump is installed but before it is started for the first time a number of checks should be made 1 Be sure all tie down bolts are tight piping is installed properly and the discharge line is open 2 Check the pump housing and f...

Page 9: ... time 1 6 turn or less until leakage is minimized or stopped The packing should be allowed to resettle at least five minutes between adjustments If it is possible to tolerate a little leakage at the gland the leaking liquid will help to lubricate and cool the packing and plunger greatly extending the life of both 2 3 3 Capacity Calibration After the initial break in period and adjustment of the pa...

Page 10: ...for model DB2 C 175R serial number IP 0009 Milton Roy Pump 3 3 RETURNINGPUMPSTOTHEFACTORY Pumps will not be accepted for repair without a Return Material Authorization available from the Factory Repair Department Pumps returned to the Factory for repairs should be clearly labeled to indicate the liquid being pumped Process liquid should be flushed from the pump liquid end and oil should be drained...

Page 11: ...ring No 72 must be pressed onto crank if replacement of bearing is required 3 4 2 Removal of Crosshead Figures 4 5 1 The above disassembly procedure for removal of Gear Cage must be accomplished prior to removal of Crosshead 2 Unscrew Plunger Adapter Nut No 235 until the thread is free of the Crosshead 3 Pull Crosshead out of its bore from the rear taking care not to lose Thrust Washer No 245 if i...

Page 12: ... the Journal Nut c After the bearings are installed lightly coat the outside of Shaft Oil Seals with LOCTITETM Grade 222 and press into place until flush with bearing recess Be sure seal lips are facing toward the bearings When all bearings and shaft seals are installed there should be one seal in the drive side of the Housing one bearing in the drive side of the Gear Cage and a bearing and oil se...

Page 13: ...6 Crank using No 160 and No 165 Crank Pin and Crank Pin Shoulder in the following manner Determine operating direction of rotation of crank Place a drop of LOCTITETM Grade 222 on threaded section of No 160 Crank Pin Insert No 165 Crank Pin Shoulder through leading side hole of crank and No 160 Crank Pin through following side hole of crank This allows the solid crank pin to perform the heavy duty ...

Page 14: ...ilable from the Factory Repair Department Pumps returned to the Factory for repairs should be dearly labeled to indicate the liquid being pumped Process liquid should be flushed from the pump liquid end and oil should be drained from the pump housing before the pump is shipped NOTE Federal law prohibits handling of equipment that is not accompanied by an OSHA Safety Data Sheet SDS A completed SDS ...

Page 15: ...r less until leakage is minimized or stopped Wait at least five minutes between adjustments to allow packing to resettle If it is possible to tolerate a little leakage at the Gland the leaking liquid will help to lubricate and cool Packing and Plunger greatly extending the life of both 4 5 1 Replacing Packing 1 To replace packing it is necessary to remove liquid end from the pump 2 Loosen No 430 G...

Page 16: ... Start pump at 100 stroke length but without pumping load It is permissible to run liquid end dry or pump fluid to atmospheric pressure Run for about 1 2 hour 15 At end of this break in period put pump into full operation against normal pumping load Adjust capacity to the desired chemical feed 16 Adjust packing as explained under Packing Adjustment Start Up and Replacement ...

Page 17: ...rom the Factory Repair Department Pumps returned to the Factory for repairs should be clearly labeled to indicate the liquid being pumped Process liquid should be flushed from the pump liquid end and oil should be drained from the pump housing before the pump is shipped NOTE Federal law prohibits handling of equipment that is not accompanied by an OSHA Safety Data Sheet SDS A completed SDS must be...

Page 18: ...s in either ball or seat is cause for replacement 4 It is recommended that No 382 O ring and No 386 ring insert be replaced after disassembly 5 After cleaning all parts reassemble as shown in figure 5 Make sure O ring end of seat is placed into body first and that the entire assemblies are screwed into liquid end with arrows on body pointing upward ONE OF THE FOLLOWING WILL RESULT FROM INCORRECT B...

Page 19: ...eat to destroy sealing surfaces of both plunger and packing Compression type packing is very dependent on proper break in to develop a good sealing surface 5 5 2 Replacing Packing 1 To properly replace packing it is necessary to remove liquid end from pump 2 Loosen No 430 Gland Cap do not remove 3 Remove the two No 270 screws which attach liquid end to pump housing 4 Pull liquid end straight OFF p...

Page 20: ...ge assembly arrows should both be pointing up SECTION 5 MAINTENANCE INSTRUCTIONS LIQUID END 7 16 AND 5 8 DIAMETER PLUNGERS 12 After new packing is installed and liquid end is mounted on pump the new packing must be broken in to develop a reliable sealing surface and insure long trouble free packing life Tighten gland cap 1 4 turn past finger tight and hold packing under this compression for at lea...

Page 21: ...requently uncomfortable to the touch However neither should exceed 200 F 93 C Power supply does not match electrical requirement of motor Insure proper matching of power supply and motor Pump being operated at greater than rated performance Reduce pressure or stroke speed If this is not practical contact factory Pump improperly lubricated Drain oil and refill with proper amount of recommended lubr...

Page 22: ...imensions C L Liquid end 79 32 53 32 93 8 14 103 4 15 8 TYP 41 4 REF 33 4 41 8 5 21 2 Side View Top View 37 16 4 7 16 dia when supplied with HPD liquid end 103 4 43 8 71 2 13 11 8 Typ 57 8 121 4 20 with largest motor 75 16 41 16 3 7 16 dia ...

Page 23: ...19 Instruction Manual Figure 2 Polar Crank Mechanism ...

Page 24: ...040 0112 0080 0300 6065 0165 0160 0296 0295 0275 0270 0190 0020 9 1 0 0170 6070 6050 0260 0250 0240 0230 0220 0142 0010 0052 0132 0152 0055 6030 0100 0020 0025 0060 0072 APPLY LOCTITETM TO THREADS O D OF APPLY LOCTITETM TO O D OF BEARING 0090 APPLY LOCTITETM TO THREADS OIL LEVEL 0296 0295 LOCATETM ON THIS SIDE APPLY LOCTITE ON THREADS ...

Page 25: ...ck Washer 3 8 290 1 Shaft Cover 272 1 Motor Mountin Adapter NEMA 56 C Flange 80 1 Gear Set specify gear ratio 170 1 Crank Pin Retaining Ring 72 1 Crank Bronze Bearing 112 2 Worm Shaft Bearing 52 1 Crosshead Oil Seal 40 2 Shaft Oil Seal 100 1 Crank Nut 7 16 14 NC 2 296 4 Motor Adapter Screw 1 4 20 NC 6060 4 Drive Cover Screw 10 24 NC 20 4 Nameplate Drive Screw 90 1 Crank Key 1 8 Sq 210 2 Clevis Pin...

Page 26: ... Location Reference Chart Contd 10 1 Housing 6030 1 Nameplate 100 1 Journal Nut 280 1 Cover Gasket 142 1 Connecting Rod Assembly 165 1 Crank Pin Shoulder 160 1 Crank Pin 200 2 Clevis Pin 132 1 Cross head Drawing Location Reference Quantity Required Description ...

Page 27: ... Liquid Ends Assembly Drawing 102 290 600 015 DISCHARGE 383 410 408 427 222 235 245 250 PUMP HOUSING 415 425 430 SUCTION 381 402 LIQUID END BODY ASS Y 405 LIQUID END BODY ASS Y 384 384 381 384 384 385 385 385 385 385 385 383 383 383 270 280 426 ...

Page 28: ...nsist of 381 1 Cap 383 2 Ball Seat 385 3 Cap Gasket 384 2 Ball Check 405 1 Suction Cartridge Assembly consisting of 381 1 Cap 383 2 Ball Seat 385 3 Cap Gasket 384 2 Ball Check 405 1 Liquid End Body 426 1 Packing 427 1 Packing Follower 430 1 Gland Cap 415 1 Liquid End Nut 410 1 Adapter Liquid End Mounting 408 1 Key Pin 270 2 Cap Screw 1 4 20 280 2 Lock Washer 1 4 384 A R Loctite Table 5 1 8 and 1 4...

Page 29: ...on Manual Figure 5 7 16 and 5 8 Liquid Ends Assembly Drawing 102 290 600 012 435 PUMP HOUSING REF 430 235 250 250 427 428 419 425 418 9001 222 405 381 386 382 270 280 AVAILABLE ONLY AS ASSEMBLY 245 222 385 384 383 ...

Page 30: ...r 250 Thrust Washer Ring 245 Plunger Adapter 235 Nut Floating Plunger 9001 Ball Check Cartridge Assembly Consisting of 381 Body 383 Seat 382 O Ring 385 Limit Pin 384 Ball Check 386 Ring Insert 419 Lantern Ring 418 Neck Ring 430 Gland Cap 250 Thrust Washer Solid 405 Liquid End 428 Liner Gland Bearing 427 Gland Follower 280 Washer 270 Liquid End Bolts 435 Grease Fitting 425 Packing ...

Page 31: ......

Page 32: ...ccudyne Industries a leading global provider of precision engineered process critical and technologically advanced flow control systems and industrial compressors Delivering consistently high levels of performance we enable customers in the most important industries and harshest environments around the world to accomplish their missions ...

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