3FR* Service Manual (Page 4) - Three-Es
Contents
1. Low Pressure Pulsation pump runs extremely rough pressure low Water leakage from under the manifold Slight leakage Oil leak between crankcase and pumping section Oil leaking in the area of crankshaft Excessive play in the end of the crankshaft Water in crankcase Oil leaking at the rear portion of the crankcase Loud knocking noise in pump Frequent or premature failure of the packing Strong surging at the inlet and low pressure DIAGNOSIS AND MAINTENANCE PROBABLE CAUSE Worn nozzle Belt slippage Air leak in inlet plumbing Pressure gauge inoperative or not registering accurately Relief valve stuck partially plugged or improperly adjusted Worn seat or valves Inlet suction strainer clogged or improperly sized Worn seals Abrasives in pumped fluid severe cavitation inadequate water supply stressful inlet conditions Fouled or dirty inlet or discharge valves Worn inlet or discharge valves Leaky discharge hose Faulty Pulsation Dampener Restricted inlet or air entering inlet plumbing Stuck inlet or discharge valve Worn Lo Pressure and or Hi Pressure seals Worn crankcase oil seals Worn crankshaft oil seal Bad bearing Cut or worn o ring on bearing case Worn bearing Humid air condensing inside of the crankcase Leaking of Lo Pressure and or Hi Pressure seals or seals installed backwards Damaged or improperly installed oil gauge crankcase cover or drain plug O ring Pull2. Seat O Rings for wear and replace Lubri cate and place O Rings on lip of retainers Carefully square O Rings in Valve Chamber to avoid cutting O Ring when Valve Seat is installed Examine Valve Seats for pitting scale or ridges and replace if necessary Install Valve Seat with concave side down so O Ring fits snugly into groove on Seat Examine both the inner and the outer O Rings on the Inlet Valve Adapter and replace if worn Lubricate O Rings and fit into grooves on outside of adapters Apply liquid gasket to the O Ring crevice of the O D of Inlet Valve Adapter and press into chamber Carefully square Inlet Valve Adapter into chamber to avoid cutting or extruding O Rings Replace Discharge Manifold over Plunger ends match ing Discharge Valve Spacers with Inlet Manifold Chambers and press into position Tap with a soft mallet until Inlet and Discharge Manifolds are flush Replace all four 4 Washers and Socket Head Bolts Hand tighten each Then torque per chart SERVICING THE SEALS Disassembly i With Discharge Manifold removed from the pump remove the two 2 Socket Head Bolts and spring washers from end of Inlet Manifold Rotate Crankshaft to loosen Inlet Manifold Support Inlet Manifold from underside and tap with a soft mallet to separate Manifold from Crankcase With crankcase side of manifold down remove Hi Pressure Seals using a reverse pliers Invert Inlet Manifold so cr
3. contribute to cavitation in a system resulting in premature wear system downtime and unnecessary operating costs CONDITION Inadequate inlet line size Water hammering fluid acceleration deacceleration Rigid Inlet Plumbing Excessive Elbows in Inlet Plumbing Excessive Fluid Temperature Air Leaks in Plumbing Agitation in Supply Tank High Viscosity Fluids Clogged Filters SOLUTION e Increase line size to the inlet port or one size larger e Install C A T Tube e Move pump closer to fluid supply e Use flexible wire reinforced hose to absorb pulsation and pressure spikes e Keep elbows to a minimum and less than 90 e Use Thermo Valve in bypass line e Do not exceed pump temperature specifications e Substitute closed loop with baffled holding tank e Adequately size tank for frequent or high volume bypass e Pressure feed high temperature fluids e Properly ventilate cabinets and rooms e Check all connections e Use Teflon tape e Size tank according to pump output Minimum 6 10 times system GPM e Baffle tank to purge air from fluid and separate inlet from discharge e Verify viscosity against pump specifications before operation e Elevate fluid temperature enough to reduce viscosity e Lower RPM of pump e Pressure feed pump e Increase inlet line size e Perform regular maintenance or use clean filters to monitor build up e Use adequate mesh size for fluid and pump specifications PROBLEM
4. 3FR PLUNGER PUMP SERVICE MANUAL NAF SPLIT MANIFOLD PLUNGER PUMPS 3 FRAME 230 240 270 231 241 271 237 247 277 279 CAUTION CAT PUMPS are positive displacement pumps Therefore a properly designed pressure RELIEF OR SAFETY VALVE MUST BE INSTALLED in the discharge piping Failure to install such a relief mechanism could result in personal injury or damage to the pump or system CAT PUMPS does not assume any liability or responsibility for the operation of a customer s high pressure system INSTALLATION AND START UP INFORMATION Optimum performance of the pump is dependent upon the entire fluid system and will be obtained only with the proper selection installation of plumbing and operation of the pump and accessories SPECIFICATIONS Maximum specifications refer to individual attributes It is not implied that all maximums can be performed simultaneously If more than one maximum is considered check with your CAT PUMPS supplier to confirm the proper performance and pump selection LUBRICATION Fill crankcase with special CAT PUMP oil per pump specifications 3FR 10 oz DO NOT RUN PUMP WITHOUT OIL IN CRANKCASE Change initial fill after 50 hours running period Thereafter change oil every 3 months or 500 hour intervals PUMP ROTATION Pump was designed for forward rotation to allow optimum lubrication of the crosshead area Reverse rotation is acceptable if the crankcase oil level is increased slightly above center do
5. 7FR 15FR 35FR 60FR 067 Plunger Retainer Change 3FR 5FR 7FR 074 Piston and Plunger Pump Torque Chart All Models 077 Oil Drain Kit All Models INLET CONDITION CHECK LIST Review Before Start Up Inadequate inlet conditions can cause serious malfunctions in the best designed pump Surprisingly the simplest of things can cause the most severe problems or go unnoticed to the unfamiliar or untrained eye REVIEW THIS CHECK LIST BEFORE OPERATION OF ANY SYSTEM Remember no two systems are alike so there can be no ONE best way to set up a system All factors must be carefully considered INLET SUPPLY should be adequate to accommodate the maximum flow being delivered by the pump LJ Open inlet shut off valve and turn on water supply to avoid starving the pump DO NOT RUN PUMP DRY _I Avoid closed loop systems especially with high temperature ultra high pressure or large volumes Conditions vary with regulating unloader valve _ Low vapor pressure fluids such as solvents require a booster pump and C A T Captive Acceleration Tube to maintain adequate inlet supply _I Higher viscosity fluids require a positive head and a C A T Captive Acceleration Tube to assure adequate inlet supply _I Higher temperature fluids tend to vaporize and require positive heads and C A T Captive Acceleration Tube to assure adequate inlet supply 1 When using an inlet supply reservoir size it to provide adequate fluid to accommodate the maximum o
6. ankcase side is up and with reverse pliers remove Lo Pressure Seals Reassembly Note For certain applications apply liquid gasket to O Ring crevices and seal surfaces See Tech Bulletin 53 for model identification 1 Examine Lo Pressure Seal for wear or spring failure and replace if necessary With crankcase side of inlet manifold up press the new Lo Pressure Seal into the Valve Chamber with Garter Spring down Carefully square seal into position 2 Examine Hi Pressure Seal for wear and replace if necessary Invert Inlet Manifold with crankcase side down and press the new seal into the Manifold chamber with v side up metal side down until completely seated 3 Rotate the Shaft so the two 2 outside Plungers are extended and lined up 4 Examine O Rings on both the Discharge Spacer and Inlet Valve Adapter for cuts or wear and replace as needed 5 Lubricate Plungers and carefully slide the Inlet Manifold over the Plungers and press into the Crankcase 6 Replace two 2 M10 Inlet Manifold Socket Head Bolts and Washers hand tighten and then torque per chart 7 Then carefully slip the Discharge Manifold onto Plungers and press the exposed Discharge Valve Spacers into the Inlet Manifold Tap with a soft mallet until flush 8 Replace the four 4 M10 Discharge Manifold Socket Head Bolts and Washers and hand tighten Then torque per chart SERVICING THE PLUNGERS Disassembly 1 Remove Discharge and Inlet Manifold as desc
7. d up Examine the Spring for fatigue or breaks and place the new Spring into the Retainer Then insert the new Springs into the Retainers over the plastic center guide and place the Valve Spring Retainers in the deeper valve chambers They will rest on the machined ridge in each chamber Examine the Valves for wear or pitting and replace if necessary Install valves over springs with concave side down Examine Valve Seat O Rings for wear and replace Place O Rings on lip of retainers Carefully square O Rings in valve chamber to avoid cutting O Ring when Valve is installed Examine Valve Seats for pitting scale or ridges and replace if necessary Install Valve Seat with concave side down so O Ring fits snugly into groove on Seat Examine both inner and outer O Rings on the Discharge Valve Spacer and replace if necessary Lubricate O Rings and fit into grooves on outside of spacer Apply liquid gasket to the O Ring crevices on the O D of Discharge Valve Spacers and carefully press into valve chambers with small diameter side down until Spacer snaps tightly into position Reassembly Inlet 1 Insert Valve Springs into Retainers over plastic center guide and place Valve Spring Retainers into the shallow Valve Chambers They will rest on the machined ridge in each chamber Inspect the Valves for wear ridges or pitting and replace if necessary Insert Valves over the Springs with concave side down Examine Valve
8. e bearing Change oil every 3 months or 500 hour intervals using special CAT PUMP Premium Grade Oil PN 6100 Case 6107 Bottle other approved oil every month or 200 hours Replace seals Follow proper installation procedure Contact CAT PUMPS supplier for crankcase servicing Replace oil gauge crankcase cover or drain plug O ring Thread in oil gauge and drain plug hand tight to avoid extruding o ring Check key and tighten set screw Consult CAT PUMPS supplier for crankcase servicing Install C A T Captive Acceleration Tube Replace plungers Reduce inlet pressure per instructions Install proper filtration on pump inlet plumbing Reduce fluid inlet temperature to specifications DO NOT RUN PUMP WITHOUT WATER Check for smooth surfaces on inlet and discharge valve seats Replace with kit if pitted or worn Check supply tank for contamination Install and regularly clean filter Do not pump abrasive fluids PN 30006 Rev G 2 99
9. ey loose on crankshaft Worn bearing connecting rod or crankshaft Stressful inlet conditions Scored plungers Over pressure to inlet manifold Abrasive material in the fluid being pumped Excessive temperature of pumped fluid Running pump dry Foreign particles in the inlet or discharge valve or worn inlet and or discharge valves SOLUTION Replace nozzle of proper size Tighten or replace use correct belt Use PTFE liquid or tape Check pressure with new gauge and replace as needed Clean and reset relief valve to system pressure and correct by pass Check supply tank for contamination Clean or replace with valve kit Use adequate size for inlet pump connection and fluid being pumped Clean frequently Install and maintain proper filter check line size and flow available to pump Install a C A T Captive Acceleration Tube Clean inlet and discharge valve assemblies Replace with valve kit Replace hose Check connections Check precharge should be 30 50 of system pressure or replace as needed Check filters and clean as needed Check fittings and use PTFE liquid or tape for airtight connection Clean or replace valve Check supply tank for contamination Replace with seal kit check inlet pressure and system temperature use Thermo Valve in by pass line inlet pressure regulator in inlet line Replace crankcase oil seals Replace damaged oil seals Replace bearing Replace o ring on bearing case Replac
10. he pump LJ Although not recommended by pass fluid may be returned to the inlet line of the pump if the system is properly designed to protect your pump When using this method a PRESSURE REDUCING VALVE should be installed on the inlet line BETWEEN THE BY PASS CONNECTION AND THE INLET TO THE PUMP to avoid excessive pressure to the inlet of the pump when a flow sensitive regulating device is used It is also recommended that a THERMO VALVE be used in the by pass line to monitor the temperature build up in the by pass loop to avoid premature seal failure _1 A low pressure flexible cloth braid not metal braid hose should be used from the by pass connection to the inlet of the pump J Caution should be exercised not to undersize the by pass hose diameter and length Refer to Technical Bulletin 64 for additional information on the size and length of the by pass line _1 Check the pressure in the by pass line to avoid overpressurizing the inlet _1 The by pass line should be connected to the pump inlet line at a gentle angle of 45 or less and no closer than 10 times the pump inlet port diameter e g 1 1 2 port size 15 distance from pump inlet port HOSE FRICTION LOSS PRESSURE DROP IN PSI PER 100 FT OF HOSE E WITH TYPICAL WATER FLOW RATES Water Hose Inside Diameters Inches camin 14 one se 12 se 3a m 0 5 16 5 2 54 20 180 60 380 120 220 320 410 600 370 At a fixed flow rate with a given size hose the pres
11. l perform with flooded suction Maximum inlet pressure is 60 PSI 5 BAR LI After prolonged storage pump should be purged of air to facilitate priming Disconnect any discharge port and allow fluid to pass through pump INLET ACCESSORIES are designed to protect against overpressurization control inlet flow contamination or temperature and provide ease of servicing LI A shut off valve is recommended to facilitate maintenance LI Installation of a C A T Captive Acceleration Tube is essential in applica tions with stressful conditions such as high temperatures booster pump feed or long inlet lines Do not use C A T with negative inlet pressure _1 A stand pipe can be used in some applications to help maintain a positive head in the inlet line _I Inspect and clean inlet filters on a regular schedule 1 A pressure gauge is recommended to monitor the inlet pressure and should be mounted AS CLOSE TO THE PUMP INLET as possible Short term intermittent cavitation will not register on a standard gauge _1 All accessories should be sized to avoid restricting the inlet flow LJ All accessories should be compatible with the solution being pumped to prevent premature failure or malfunction BY PASS TO INLET Care should be exercised when deciding the method of by pass from control valves LJ It is recommended the by pass be directed to a baffled reservoir tank with at least one baffle between the by pass line and the inlet line to t
12. ressure loss created by valves fittings and elevation of lines If a sufficient number of valves and fittings are incorporated in the system to materially affect the total line loss add to the total line length the equivalent length of line of each valve or fitting TYPICAL RESERVOIR TANK RECOMMENDED 6 TO 10 TIMES SYSTEM CAPACITY Supply Line Bypass Line from regulator or unloader Level Sensing Device X_ D lt lt E Flexible Hose to Pump Bypass Line FILTER unloader Minimum Two Baffles Sealed at Bottom T 4 Dia of pipe from regulator or Handy Formulas to Help You Q How can I find the RPM needed to get specific GPM Gallons Per Minute want A Desired RPM Desired GPM x Rated RPM Rated GPM Q Ihave to run my pump at a certain RPM How do figure the GPM FII get A Desired GPM Desired RPM x Rated GPM Rated RPM Q Is there a simple way to find the approximate horsepower Pll need to run the pump A Electric Brake Horsepower Required GPM x PSI 1460 Standard 85 Mech Efficiency Q What size motor pulley should I use A Pump Pulley Outer Diameter x __ Pump RPM Motor Engine RPM Consult Engine Mfr Q How do I calculate the torque for my hydraulic drive system A Torque ft lbs 3 6 cem X Psi RPM Avoid Cavitation Damage e alg One or several of the conditions shown in the chart below may
13. ribed 2 Using a wrench loosen Plunger Retainers approximately three 3 to four 4 turns 3 Grasp Ceramic Plunger and push towards Crankcase until Plunger Retainer with stud pops out 4 Remove Plunger Retainer with O Ring Back up Ring and Gasket 5 Next slip Ceramic Plungers Keyhole Washer and Barrier Slingers from each Plunger Rod 6 Examine Crankcase Seal for deterioration and replace if needed Consult CAT PUMPS supplier for crankcase servicing Reassembly 1 Replace Barrier Slinger if damaged when removing and position onto Plunger Rod with concave facing out Then examine the Keyhole Washer and place on the Plunger Rod with the slot down 2 Carefully examine Ceramic Plunger for scoring or cracks and replace if worn Slip onto Rod Ceramic Plunger can only be installed one direction front to back Do not force onto Rod 3 Examine O Ring and Back up Ring on Plunger Retainer and replace if worn or cut Lubricate O Ring for ease of installa tion and to avoid damage to O Ring First install NEW copper Gasket on Plunger Retainer then O Ring then Back up Ring 4 Apply Loctite 242 to threads and install short threaded end of Stud into Plunger Retainer 5 Apply Loctite 242 to threads and thread Plunger Retainer and Stud assembly with long threaded end of Stud into plunger rod Torque per chart Exercise caution not to over torque the Plunger Retainer 6 Re install the Seal Retainers with the slots to the top and bo
14. rs until wear is observed Remember to service the regulator unloader at each seal servicing and check all system accessories and connections before resuming operation TORQUE CHART Pump Item Thread Tool Size Torque Part No in lbs ft lbs Nm Plunger Retainer M5 M11 Hex 55 44 6 303 S S Brass 44044 Plunger Retainer M5 M12 Hex 55 44 6 316 S S Inlet Manifold Screws M10 M8 Allen 220 18 1 25 33046 M8 Allen 220 18 1 25 83046 M10 Hex Phil 50 4 0 6 25082 M7 M10 Hex 95 25082 M28 OilGauge Tool 45 36 5 44050 Mi3Hex 115 9 4 25324 Discharge Manifold Screws M10 Crankcase Cover M6 Bearing Cover Screws Connecting Rod Screws 7 96 11 Bubble Oil Gauge Mounting Bolts M8 TECHNICAL BULLETIN REFERENCE CHART No Subject Models 003 3FR 68FR Accessory Drive Packages 3FR 68FR Plunger Models 008 Motor Pulley Selection Chart 3FR 25FR 024 Lubrication of Lo Pressure Seals All Models 033 Crankcase and Rear Cover Change 270 279 280 290 034 Servicing Crankcase Section Piston Pumps 3FR 4FR LOFR 25FR 035 Servicing Crankcase Section Plunger Pumps 5FR 7FR 15FR 036 Cylinder and Plunger Reference Chart All Models 043 Plunger Pump LPS and HPS Servicing All Plunger Models 047 Blind Bearing Shaft Cover Gearbox Plunger Pumps 049 S S Components Corrosion Resistant Pumps 3FR 5FR 15FR 052 Plunger Rod and Stud Change CR Pumps 3FR 5FR 15FR 35FR 60FR 053 Liquid Gasket 5FR
15. s t online de SERVICING THE VALVES Disassembly 1 2 3 Remove the four 4 Socket Head Bolts and Spring Washers from end of Manifold Support the Discharge Manifold from the underside and tap with a soft mallet to separate from the Inlet Manifold Carefully place Discharge Manifold on work surface with crankcase side up From the three 3 smaller diameter and shallow inlet chambers remove the Inlet Valve Adapters with inner and outer O Rings These adapters are not held securely in position and may fall out as the Discharge Manifold is removed Next remove the Valve Seats Valves Springs and Retainers from the Inlet Chambers From the three 3 larger diameter and deeper discharge chambers remove the Discharge Valve Spacers with inner and outer O Rings These spacers generally remain with the Discharge Manifold as it is removed Insert two screwdrivers under the lip of the Spacer and pry the Spac ers from the Manifold chamber Next remove the Valve Seats Valves Springs and Retainers from the discharge chambers NOTE The inlet and discharge use the same Retainers Springs Valve Seats and Valves The O Rings and valve spacers adapters are different Keep parts in order as they are removed Reassembly Discharge s Note For certain applications apply liquid gasket to O Ring crevices and seal surfaces See Tech Bulletin 53 for model identification Place the crankcase side of the Discharge Manifol
16. sure drop across a given hose length will be directly proportional A 50 ft hose will exhibit one half the pressure drop of a 100 ft hose Above values shown are valid at all pressure levels WATER LINE PRESSURE LOSS PRESSURE DROP IN PSI PER 100 FEET Water Steel Pipe Nominal Dia 1 4 3 8 1 2 3 4 1 1 4 1 2 Brass Pipe Nominal Dia 1 4 3 8 1 2 3 4 1 1 4 1 2 6 0 1 6 20 5 6 1 8 40 11 3 6 Copper Tubing O D Type L 1 4 3 8 1 2 5 8 3 4 7 8 120 13 2 9 1 0 400 45 10 34 1 3 94 20 6 7 2 6 8 5 1 9 30 7 0 2 1 60 14 4 5 1 1 150 36 12 2 8 330 86 28 6 7 1 9 520 130 43 10 3 0 100 28 9 0 220 62 21 320 90 30 270 90 21 6 2 1 6 190 62 16 5 0 1 5 670 240 56 16 4 2 470 150 40 12 3 8 1 7 66 17 8 39 11 5 0 37 52 210 107 230 50 17 6 1 500 120 40 15 180 56 22 120 44 20 330 110 50 550 200 88 RESISTANCE OF VALVES AND FITTINGS Nominal Equivalent Length of Standard Pipe in Feet Pipe Inside 180 Tee Tee Size Diameter Gate Globe Angle 45 90 Close Thru Thru Inches Inches Valve Valve Valve Elbow Elbow Ret Run Branch 1 2 3 33 3 4 4 41 1 5 62 1 4 7 40 1 2 8 63 2 067 1 35 61 5 30 8 259 5 55 12 30 3 08 11 60 2 469 1 62 73 5 36 8 3 09 6 61 14 70 3 68 13 20 3 068 2 01 91 5 45 8 3 84 8 23 18 20 4 57 16 40 4 026 2 64 120 01 60 0 5 03 10 80 23 901 6 00 21 60 Arriving at a total line pressure loss consideration should then be given to p
17. t to assure adequate lubrication PULLEY SELECTION Select size of motor pulley required to deliver the desired volume from Horsepower Requirement and Pulley Selection Chart MOTOR SELECTION The motor or engine driving the pump must be of adequate horsepower to maintain full RPM when the pump is under load Select the electric motor from the Horsepower Requirement Chart according to required pump discharge volume maximum pressure at the pump and drive losses of approximately 3 5 Consult the manufacturer of gas or diesel engine for selection of the proper engine size Mount the pump on a rigid horizontal surface in a manner to permit drainage of crankcase oil An uneven mounting surface will cause extensive damage to the pump base To minimize piping stress use appropriate flexible hose to inlet and discharge ports Use the correct belt make sure pulleys are aligned Excessive belt tension may be harmful to the bearings Hand rotate pump before starting to be certain shaft and bearings are free moving LOCATION If the pump is used in extremely dirty or humid conditions it is recommended pump be enclosed Do not store or operate in excessively high temperature areas or without proper ventilation INLET CONDITIONS Refer to complete Inlet Condition Check List in this manual before starting system DO NOT STARVE THE PUMP OR RUN DRY DISCHARGE PLUMBING OPEN ALL VALVES BEFORE STARTING SYSTEM to avoid deadhead overpressure condition and se
18. ttom 7 Rotate Shaft until the two 2 outside Plungers are extended and lined up Lubricate O D of Plungers 8 Then carefully slip Inlet and Discharge Manifold assembly onto Plungers and tap with soft mallet until flush with Crankcase 9 Replace the two 2 Inlet Manifold Socket Head Bolts and Washers and hand tighten Then torque per chart 10 Then torque the four 4 Discharge Manifold k Socket Head Bolts in sequence per chart 4 2 SERVICING CRANKCASE SECTION 1 While Inlet Manifold Plungers and Seal Retainers are removed examine Crankcase Seals for wear 2 Check oil for proper level and for evidence of water or other contaminants in oil 3 Rotate Crankshaft by hand to feel for smooth bearing movement 4 Examine Crankshaft Oil Seal externally for drying cracking or leaking 5 Consult your local CAT PUMPS supplier if crankcase service is required See section Il of the Plunger Pump Service Video for additional information PREVENTATIVE MAINTENANCE CHECK LIST Check Clean Filters Oil Level Quality Oil Leaks Water Leaks Belts Pulley Plumbing Initial Oil Change Oil Change Seal Change Valve Change Accessories If other than CAT PUMPS special multi viscosity ISO68 oil is used change cycle should be every 300 hours Each system s maintenance cycle will be exclusive If system performance decreases check immediately If no wear at 1500 hours check again at 2000 hours and each 500 hou
19. utput of the pump generally a minimum of 6 10 times the GPM however a combination of system factors can change this requirement provide adequate baffling in the tank to eliminate air bubbles and turbulence install diffusers on all return lines to the tank INLET LINE SIZE should be adequate to avoid starving the pump m Line size must be a minimum of one size larger than the pump inlet fitting Avoid thick walled fittings tees 90 degree elbows or valves in the inlet line of the pump to reduce the risk of flow restriction and cavitation LJ The line MUST be a FLEXIBLE hose NOT a rigid pipe and reinforced on SUCTION systems to avoid collapsing 1 The simpler the inlet plumbing the less the potential for problems Keep the length to a minimum the number of elbows and joints to a minimum ideally no elbows and the inlet accessories to a minimum Ll Use pipe sealant to assure air tight positive sealing pipe joints INLET PRESSURE should fall within the specifications of the pump LI Acceleration loss of fluids may be increased by high RPM high tempera tures low vapor pressures or high viscosity and may require pressurized inlet and C A T Captive Acceleration Tube to maintain adequate inlet sup ply DO NOT USE C A T Captive Acceleration Tube WITH SUCTION INLET m Optimum pump performance is obtained with 20 PSI 1 4 BAR inlet pressure and a C A T for certain applications With adequate inlet plumb ing most pumps wil
20. vere damage to the pump or system Install a Pulsation Dampening device directly to the discharge line Be certain the pulsation dampener Prrrrr o lator is properly precharged for the system pressure see individual Prrrrr o lator data sheet A reliable Pressure Gauge should be installed near the discharge outlet of the high pressure manifold This is extremely important for adjusting pressure regulating devices and also for proper sizing of the nozzle or restricting orifice The pump is rated for a maximum pressure this is the pressure which would be read at the discharge manifold of the pump NOT AT THE GUN OR NOZZLE A Pressure Regulator or Unloader Valve must be installed to prevent over pressurizing the pump in the event the discharge or downstream plumbing becomes plugged or is turned off Severe damage to the pump will result if this condition occurs without a relief valve in the line CAUTION Failure to install such a safety valve will void the warranty on the pump Discharge regulating devices should be at minimum pressure setting at start up On systems over 2000 PSI SECONDARY PROTECTION is recommended by installing a pop off valve safety valve or rupture disc START SYSTEM WITH ALL VALVES OPEN OR IN THE LOW PRESSURE SETTING Use PTFE liquid sparingly or tape to connect accessories or plumbing Exercise caution not to wrap tape beyond the last thread to avoid tape from becoming lodged in the pump or accessories This condition
21. will cause a malfunction of the pump or system NOZZLES A worn nozzle will result in loss of pressure Do not adjust pressure regulating device to compensate Replace nozzle and reset regulating device to system pressure PUMPED FLUIDS Some fluids may require a flush between operations or before storing For pumping fluids other than water contact your CAT PUMPS supplier STORING For extended storing or between use in cold climates drain all pumped fluids from pump and flush with antifreeze solution to prevent freezing and damage to the pump DO NOT RUN PUMP WITH FROZEN FLUID Products described hereon are covered by one or more of the following U S patents 3558244 3652188 3809508 3920356 3930756 and 5035580 World Headquarters CAT PUMPS 1681 94th Lane N E Minneapolis MN 55449 4324 Phone 612 780 5440 FAX 612 780 2958 e mail sales catpumps com www catpumps com International Inquiries FAX 612 785 4443 e mail intlsales catpumps com rar MRA The Pump with Nine Lives CAT PUMPS U K LTD 1 Fleet Business Park Sandy Lane Church Crookham Fleet Hampshire GU13 OBF England Phone Fleet 44 1252 622031 Fax 44 1252 626655 N V CAT PUMPS INTERNATIONAL S A Heiveldekens 6A 2550 Kontich Belgium Phone 32 3 450 71 50 Fax 32 3 450 71 51 e mail cpi catpumps be CAT PUMPS DEUTSCHLAND GmbH Buchwiese 2 D 65510 Idstein Germany Phone 49 6126 93030 Fax 49 6126 930333 e mail catpbump
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