Ingersoll-Rand LM2250E-X-B User's Manual
Contents
1. not included with LM2250E 6X B Figure 1 J 5 16 8 mm Thru hole NOTE Dimensions are shown in inches and mm supplied for reference only and are typically rounded up to the nearest 1 16 inch MODEL LM2250E 2X B LM2250E 3X B LM2250E 4X B LM2250E 6X B LM2250E 7X B LM2250E 8X B A mm 27 13 16 705 40 9 16 1029 49 1 16 1245 30 9 16 775 38 13 16 985 48 1 16 1220 B mm 16 9 16 421 29 5 16 744 37 13 16 960 19 5 16 490 27 9 16 700 36 13 16 935 WEIGHT kg 15 6 8 19 8 6 21 5 9 8 15 9 7 2 18 3 8 3 21 2 9 6 IMPORTANT This is one of two documents which support the pump Replace ment copies of these forms are available upon request LM2250E X B MODEL OPERATOR S MANUAL _ 633 GENERAL INFORMATION LUBRICATION PISTON PUMPS WARNING READ THE GENERAL INFORMATION MANUAL INCLUDED FOR ADDITIONAL OPERATING AND SAFETY PRE CAUTIONS AND OTHER IMPORTANT INFORMATION A RO am Ingersoll Rand Industrial Technologies PARTS LIST LM2250E XX B Part No 4401 6 models LM2250E 7X B 18 531 4401 7 mE Gasket 837 137 Pin 786 35 Cotter Pin 1 16 x 1 2 long 15 21 1340 2 3403 4340 4 7X i 8X Description size in inches Carriage Bolt 1 4 20 x 9 long Upper Cap Gasket Sleeve QO Ring 1 16 x 11 16 o d Y325 15 0 Ring 1 8 x 3 4 o d Y325 206 Spool 942. unthread and remove 49 primer rod releasing 40 ball and 39 ball stop PUMP REASSEMBLY NOTE Thoroughly clean and lubricate all seals and bores with Shell Darina EP 2 upon assembly Replace all soft parts with new ones included in the repair kit Note Refer to the illustration figure 2 ep 3 for U cup lip seal direction Assemble 39 ball stop and 40 ball into 38 plunger securing with 49 primer rod NOTE Torque 49 primer rodto 70 100 in Ibs 7 9 11 3 Nm Thread 36 connector to 38 plunger using a 7 32 diameter rod thru the cross hole to tighten NOTE Tighten 36 connector to 17 25 ft Ibs 23 1 33 9 Nm ARO GR ngerso Rand Industrial Technologies 11 12 13 20 21 22 Assemble 45 guide and 44 U cup into 46 valve body securing with 43 retaining ring NOTE Assemble chamfered corner of 45 guide into 46 valve body first Assemble 41 guide washer and 43 46 foot valve assembly onto 49 primer rod Assemble 42 spacer 47 gasket and 48 valve seat onto 49 primer rod Thread 50 primer onto 49 primer rod securing with 51 retainer ring Thread 52 primer tube to 37 lower suction tube and tighten NOTE Torque 52 primer tube to 65 ft Ibs 88 1 Nm Assemble 33 piston rod to 36 connector securing with 34 con necting pin and 35 cotter pin Assemble 32 gasket and 31 extension tube to 37 lower suction tube and tighten NOT
3. 31 extension tube horizontally in a vise Unthread and re move 27 base 30 gasket 26 spring and 25 washer NOTE Remove 24 rod seal only if replacement is necessary Pull up on 33 piston rod to reveal 35 cotter pin Remove 35 cotter pin and 34 connecting pin releasing 33 pis ton rod Using 33 piston rod push down on 36 connector until it bottoms Remove 51 retainer ring Push 50 primer up into 52 primer tube Lightly wedge a flat blade screwdriver between 50 primer and 52 primer tube so 50 primer unthreads with 52 primer tube Insert a 5 16 diameter rod thru the cross holes in 52 primer tube and use the rod to unthread and remove 52 primer tube Remove 42 spacer 47 gasket and 48 valve seat from 52 prim er tube Remove 43 46 foot valve assembly from 49 primer rod Remove 43 retaining ring releasing 44 U cup NOTE Do not remove 45 guide unless replacement is necessary Remove 41 guide washer Clamp 37 lower suction tube horizontally in a vise Unthread and remove 31 extension tube and 32 gasket Using a 7 32 diameter rod in the cross hole in 36 connector anda 9 16 wrench on the flats of 38 plunger unthread and remove 36 connector from 38 plunger NOTE Do not damage the o d of 38 plunger in any way Using a 5 32 diameter rod in the cross hole of 49 primer rod anda 9 16 wrench on flats of 38 plunger
4. 310 U Cup 1 8 x 3 4 o d Y240 7 QO Ring 106 x 587 o d 15066 PM Cylinder 1 94249 Adapter models LM2250E x1 B 1 94447 models LM2250E X2 B 1 94447 1 0 Ring 1 16 x 3 4 o d 1 325 16 QO Ring 1 16 x 7 16 o d 1 325 11 Muffler Housing 1 94443 Foam Liner 2 94402 Retaining Ring 1 94406 Washer 1 94515 U Cup 3 16 x2 o d 2 240 23 Al Piston 1 94780 Spacer O O Piston Adapter 1 94388 3 0 Ring 3 32 x 1 o d 1 325 117 4 U Cup 1 8 x 13 16 o d Dowel Pin 1 4 o d x 7 8 long 1 148 37 0 Ring 3 32 x 13 16 o d 1 325 114 Rod Seal 1 95139 Washer 1 94785 lt o a gt co A oS oo N Bs o A o o o A A 340 6 3o77 100 8 Punger o v ez N N A o oo m 276 16 20 392 1 243 1 186 54 y o QIN 3 8 Ble gt X A lt X gt a oot Valve Body oot Valve Ass y includes 43 46 nN i gt N Spring 1 94705 alve Seat 6797 Base models LM2250E X1 B 1 67241 Primer Rod 195134 models LM2250E x2 B 1 67241 1 Primer asd Nut 1 4 20 4 93828 51 29 Ground Screw 10 32x1 4 1 52 PrimerTube 30 Gasket M Extension Tube
5. 54 Thumb Screw 114 20 x 1 Y66 59 C models LM2250E 2X B 7 531 1 94401 2 Not included with models LM2250E 6X B modets LM2250E 3X B 20 2817 1 94401 3 1 Darina EP 2 Grease Packet 1 94833 models LM2250E 4X B 28 781 1 94401 4 Parts in Repair Kit 637332 OPERATING AND SAFETY PRECAUTIONS AWARNING EXCESSIVE INLET PRESSURE Can cause ex PUMP RATIO X MAXIMUM PUMP itp gor ley Kae a crea eM oe a ie 10 3 bar mlet a pressure Do not run pump without using s 037 pump oni area AVPL Via 190 ps 02h gas _ regulator to limit air supply pressure to the pump 517 bar fluid pressure at no flow asthe fluid control is opened the flow rate will ZA WARNING EXCESSIVE MATERIAL PRESSURE Can cause increase as the motor cycle rate increases to keep up with the demand equipment failure resulting in severe injury or property dam NOTICE Thermal expansion can occur when the fluid in the materi age Do not exceed the maximum material pressure of any component in the system al lines is exposed to elevated temperatures Example Material lines located in a non insulated roof area can warm due to sunlight Install a pressure relief valve in the pumping system Replacement warning label is available upon request PN 94520 Page 2 of 4 LM2250E X B PARTS LIST LM2250E XX B _MATERIAL CODE _ A Aluminum B Nitrile Br Brass C Carbon Steel Co Copper
6. D Acetal N Neoprene SH Hard Stainless Steel SS Stainless Steel M PTFE U Polyurethane Z Zinc ZA Zinc Aluminum Alloy 20 t TORQUE REQUIREMENTS 28 80 in Ibs 9 0 Nm 11 80 in Ibs 9 0 Nm maximum 31 37 52 65 ft Ibs 88 1 Nm minimum 36 17 25 ft Ibs 23 1 33 9 Nm 49 70 100 in Ibs 7 9 11 3 Nm Figure 2 LM2250E X B Page 3 of 4 PUMP DISASSEMBLY NOTE All threads are right hand Refer to figure 2 page 3 Discon nect air supply and relieve all system pressure prior to servicing Carefully remove the parts inspect for damage nicks or excessive wear and determine if any parts will need replacement 1 a kop COND 18 19 20 21 22 23 Using a 7 8 wrench unthread and remove 11 adapter containing 12 and 13 O rings releasing 14 muffler housing Using a 7 16 wrench remove 28 nuts Remove four 1 bolts 2 upper cap and 3 gasket Remove 10 cylinder containing 4 sleeves and 7 spools Using 1 bolt push 7 spools and 4 sleeves out sleeve end of 10 cylinder Remove 16 retaining ring 17 washer and 19 piston Remove 22 dowel pin releasing 20 piston adapter Remove 3 gasket Clamp
7. E Torque 31 extension tube to 65 ft Ibs 88 1 Nm Assemble 23 O ring 24 rod seal 25 washer 26 spring and 30 gasket into 27 base and assemble 27 base to 31 extension tube Clamp 27 base horizontally in a vise and tighten 31 exten sion tube NOTE Torque 31 extension tube to 65 ft Ibs 88 1 Nm Push up on 50 primer exposing 33 piston rod Assemble 3 gasket to 27 base Assemble 21 O ring to 20 piston adapter and assemble 20 pis ton adapter to 33 piston rod securing with 22 dowel pin Replace 18 U cups on 19 piston and assemble 19 piston onto 20 piston adapter securing with 17 washer and 16 retaining ring Replace 5 O rings on 4 sleeves and assemble 4 sleeves into 10 cylinder NOTE Assemble each sleeve into the end of the cylin der nearest the exhaust hole Replace 6 and 9 O rings and 8 U cups on 7 spools and as semble 7 spools into 10 cylinder from the opposite end as the 4 sleeve went in Assemble 10 cylinder onto the pump being careful when sliding over the lips of 18 U cups NOTE Be sure 3 gasket is seated properly Replace 3 gasket on 2 upper cap and assemble 2 upper cap to 10 cylinder Assemble 1 bolts to pump securing with 28 nuts NOTE Torque 28 nuts to 80 in Ibs 9 Nm Replace 12 and 13 O rings on 11 adapter Assemble 15 foam liners t
8. OPERATOR S MANUAL INCLUDING SPECIFICATIONS SERVICE KITS GENERAL INFORMATION PARTS TROUBLESHOOTING INCLUDE MANUAL S 633 GENERAL INFORMATION PN 97999 625 2 AIR MOTOR 50 1 RATIO 0 7500 P S I RANGE FA TALIF LM2250E B CHOP CHECK GREASE PUMP LM2250E X B RELEASED 6 1 00 REVISED 6 11 10 REV K LU READ THIS MANUAL CAREFULLY BEFORE INSTALLING OPERATING OR SERVICING THIS EQUIPMENT It is the responsibility of the employer to place this information in the hands of the operator Keep for future reference SERVICE KITS e Use only genuine ARO replacement parts to assure compatible pressure rating and longest service life e 637332 Pump Rebuild Kit Includes the necessary soft parts for normal service of the entire pump SPECIFICATIONS Model Series LM2250E X B Type osier iige Air Operated Chop Check Grease Pump Ratio sranna ra ana eee ade 50 1 Air Motor Diameter 2 5 08 cm Stroke 0 00 e ee eee 3 7 62 cm Air Inlet female LM2250E X1 B LM2250E X2 B Material Outlet female LM2250E X1 B 04 3 8 18 N P T F 1 LM2250E X2 B Rc 3 8 3 8 19 BSP Taper Pump Construction Carbon Steel 1 4 18 N P T F 1 Rc 1 4 1 4 19 BSP Taper Dimensional Data see chart Weight see chart PERFORMANCE Air Inlet Pressure Range 0 150 p s
9. i 0 10 3 bar Fluid Pressure Range 0 7500 p s i 0 517 2 bar Cycles Minute Rec d Working Flow 80 Displacement In Per Cycle 0 300 Volume Cycle 0 17 oz 4 91 ml Maximum Delivery Minute 9 Ibs 4 1 kg Noise Level 100 p s i 85 db A Accessories Available 61113 Wall Mount Bracket 66073 1 Air Line Connection Kit The pump sound pressure level has been updated to an Equivalent Continuous Sound Level LAeq to meet the intent of ANSI S1 13 1971 CAGI PNEUROP 5 1 using four microphone locations GENERAL DESCRIPTION Model LM2250E X B Series chop check grease pump is intended to be used primarily for grease delivery systems It uses carbon steel and oth er materials which make it compatible with most petroleum based lu brication products NOTE If this pump was purchased separately not part of a system consult your sales representative for compatible dispensing accesso ries which will best match the application All accessories must be able to withstand the maximum pressure developed by the pump INGERSOLL RAND COMPANY LTD 209 NORTH MAIN STREET BRYAN OHIO 43506 Q 800 495 0276 e FAX 800 892 6276 s CCN 99879389 www ingersollrandproducts com 2010 PUMP DATA MODEL LM2250E X B Air Inlet female See Specifications Material Outlet female See Specifications 2 N P S M Bung Adapter
10. o 14 muffler housing Assemble 14 muffler housing to 10 cylinder securing with 11 adapter NOTE Torque 11 adapter to 80 in Ibs 9 0 Nm TROUBLE SHOOTING if the pump will not cycle or will not deliver material Be certain to check for non pump problems including kinked restric tive or pluggedinlet outlet hose or dispensing device Depressurize the pump system and clean out any obstructions in the inlet outlet material lines Check all seals including track gaskets Check direction of U cup lips PN 97999 914 Page 4 of 4 LM2250E X B
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