Murphy LM2000S User's Manual
Contents
1. bias teo panam ol Cameron a Spm sm eens one eel 4 1 4 20 hex nuts 2 places 4 1 4 20 hex nuts How to Order 4 1 4 inch 6 mm dia Split washer Specify model LM2000 LM2000S 15010224 _ Universal Flange Kit Slot 29 64 in 14 mm Accessories Specify part number a g x 2 3 8 in 60 mm Descrinti Part Numb Additional Hardware Supplied 4 places O AE ATE NUMIT 2 1 4 20 x 1 1 4 inch Slot 29 64 in 14 mm Vent Fittings Kit 15000954 32 mm bolts x 4 3 8 in 111 mm Hose Kit 15000355 4 14 inch dia flat washer 9 1 2NPT x 1 2 in Hose Barbed Fittng 89080801 2 1 4 20 hex nuts 3 4NPT x in Hose Barbed Fitting 89081001 2 5 16 18 x 1 1 4 inch 3 83NPTF x 1 2 in Hose Barbed Fittng 89080601 32 mm bolts Pipe Bracket Kit 15000238 4 5 16 dia flat washer Universal Flange Kit 15010224 2 5 16 18 hex nuts LM2000 LM2000S Shipping Dimensions 9 x 5 1 2 x 6 in 229 x 140 x 152 mm LM2000 LM2000S Shipping Weight 3 Ibs 6 oz 1 5 kg Warranty A limited warranty on materials and workmanship is given with this FW Murphy product A copy of the warranty may be viewed or printed by going to www fwmurphy com support warranty htm LM2000 Typical Installation Electrical Conduit wire to switch circuits CRANKCASE Q lt MURPHY gt CONTROL SYSTEMS amp SERVICES DIVISION P O Box 1819 Rosenberg Texas 77471 USA 281 633 4500 fax 1 281 633 4588 For vented crankcase use the plastic vent plug2. or optional vent tube kit 15000954 For sealed systems vent must be piped back to crankcase above oil level CLEAN Oil Supply Tank Height above LM recommended 2 ft 0 6m minimum and 25 ft 7 7m maximum LM2000 Oil Level Maintainer MACQUARRIE CORPORATION 1620 Hume Highway Campbellfield Vic 3061 Australia 61 3 9358 5555 fax 61 3 9358 5558 FRANK W MURPHY LTD Church Rd Laverstock Salisbury SP1 1QZ U K 44 1722 410055 fax 44 1722 410088 FW Murphy P 0 Box 470248 Tulsa Oklahoma 74147 USA 1 918 317 4100 fax 1 918 317 4266 e mail sales fwmurphy com www fwmurphy com e mail sales fwmurphy com MURPHY DE MEXICO S A DE C V Blvd Antonio Rocha Cordero 300 Fracci n del Aguaje San Luis Potosi S L P M xico 78384 52 444 8206264 fax 52 444 8206336 Villahermosa Office 52 993 3162117 e mail ventas murphymex com mx www murphymex com mx e mail sales fwmurphy co uk www fwmurphy co uk MURPHY SWITCH OF CALIFORNIA 41343 12th Street West Palmdale California 93551 1442 USA 1 661 272 4700 fax 1 661 947 7570 e mail sales murphyswitch com www murphyswitch com e mail murphy macquarrie com au USA ISO 9001 2000 FM 28221 UK ISO 9001 2000 FM 29422 In order to consistently bring you the highest quality full featured products we reserve the right to change our specifications and designs at any time LM 00010B page 2 of 2 Printed in U S A
3. Lube Level Maintainer LM 00010B Revised 10 03 Catalog Section 15 00 02 0422 Description Murphy LM2000 model maintains the crankcase oil level of an engine pump or compressor Adjusted to the correct running oil level the LM2000 will replenish oil as it is used An inte gral low level switch will alarm and or shutdown the equipment if supply oil is lost and the equip ment continues to use oil Application The LM2000 maintains oil level on any size engine but is recommended for small to medium volume applications and installations that require a 3 wire snap action switch How the LM2000 Maintains Levels As crankcase oil level drops the LM2000 float also drops and opens the Thumb Valve This allows oil to flow from the supply tank through the LM2000 and into the crankcase When proper level is attained in the crankcase the LM2000 float rises causing the Thumb Valve to close off fur ther oil flow The simple and unique Thumb Valve is non clogging and provides a positive leak free seal Flow rate through the 1 8 in 3 mm orifice is suffi cient to allow crankcase refill through the LM2000 MURPHY gt Simple installation Low level switch Model LM2000 LM2000S Eliminates under overfill due to human error See oil level and condition without shutting down Automatically maintains lube level Positive sealing Thumb Valve Heating loop and special mounting capabil
4. g hose 89020203 2 1 2 in 13 mm worm gear clamp 00003502 2 1 in 25 mm worm gear clamp 00003503 2 1 2 NPT x 1 2 in 13 mm barbed fitting 89080801 2 3 4 NPT x 1 in 25 mm barbed fitting 89081001 Thumb Valve Operation As the equipment uses oil the float falls provi ding immediate level compensation At FULL position the float holds the valve closed If the clean oil supply is depleted and oil level continues to fall the low level switch will operate an alarm or equipment shutdown Thumb Valve Operation Simplified Thumb Valve FULL Oil Inlet Float Action LM2000 Case LOW ON C red A o N O black Low Level Switch Contact the factory for detailed information See back page for telephone and fax Dimensions 1 2 in Electrical Female Conduit Connection Crankcase Mounting Brackets with Hardware Murphy offers two mounting brackets for the LM2000 The 15000238 Pipe Bracket Kit fits a 7 8 in 22 mm diameter pipe see typical installation below The 15010224 universal Flange Kit allows various mounting methods 2 7 8 in __ mim Jalance Vent 73 mm Oil Inlet 5 3 16 in 15000238 peat ine ee Pipe Bracket Kit denny oine o2 min n ae Hardware Oil Inlet o upplie C t 2 1 4 in T2 NPTE 67 mm 2 1 4 20 x 7 8 inch bieos So ey Nin ai i 8 NPTF na O 4 NPTF 3 i ney AA ME
5. ities Not intended for use with fuel Specifications Crankcase Balance Vent Connection 1 2 NPTF top Inlet Connection 1 2 NPTF removable screen side Outlet Connection LM2000 3 4 NPTF bottom LM2000S 2 x 3 8 NPTF side 1 x 3 4 NPTF bottom Thumb Valve Material Viton Snap switch SPDT rating 10 A 125 VAC 0 5 A 125 VDC 10 A 30 VDC Wire leads 18 AWG x 24 in 609 mm length Conduit Connection 1 2 inch conduit female top Case Die cast aluminum Lens Clear Frog Eye non staining high impact high temperature nylon UV and heat stabilized Dial High visibility white background with green and white index lines for normal level indication Maximum Inlet Pressure 9 50 psi 25 ft oil head pressure Maximum Case Pressure 15 psi 103 kPa Maximum Differential 2 in 51 mm between running and stopped Maximum Ambient Temperature 250 F 121 C Float Brass Flow Rates SAE 40 motor oil 32 F 0 C with 2 ft head pressure 0 5 GPH 1 9 LPH 1 8 orifice NOTE Friction losses due to piping not considered Optional Vent Fitting Kit 15000954 Kit sold separately includes the following items Quantity Description 1 Tubing vent 15050202 1 1 4 x 1 2 NPT Connector 85030447 LM 00010B page 1 of 2 Optional Hose Kit 15000355 Quantity Description 1 1 2in 13 mm LD x 3 ft 914 mm long hose 89020202 1 1 in 25 mm L D x 3 ft 914 mm lon
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