Demco LIL'THUMPER Operator'S Manual Download Page 1 | Manualshive

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AP20005, Rev 14

01/16

LIL’THUMPER
Piston Pump

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Summary of Contents for LIL'THUMPER

Page 1: ...Page 1 AP20005 Rev 14 01 16 LIL THUMPER Piston Pump...

Page 2: ...anner Table of Contents General information 2 Bolt Torque 3 Mounting the Pump and Lubrication Requirements 4 Rate Adjustment and Start up Procedure 5 Suggested Plumbing 6 Single and Double Piston Part...

Page 3: ...alues by 5 GRADE or CLASS value for bolts and capscrews are identified by their head markings Torque Specifications Bolt Torque for Standard bolts GRADE 2 GRADE 5 GRADE 8 A lb ft N m lb ft N m lb ft N...

Page 4: ...ound all stackpack surfaces and increases the life of the stackpack considerably Repeat this procedure every six hours of use thereafter Keep the holes at the bottom of the necks clear of dirt and oth...

Page 5: ...rate for the Lil Thumper is determined by using the slide chart included with the pump Complete instructions are on the back of the slide chart Pump output is determined by the drive wheel loaded radi...

Page 6: ...h your pump PRESSURE MUST NOT EXCEED 100 PSI PUMP SPEED MUST NOT EXCEED 210 RPM Optimum operating pressure is 20 40 psi Use of a check valve in each discharge is recommended SUCTION AND DISCHARGE LINE...

Page 7: ...7 17 46 34 27 27 2 1 12 10 44 45 46 66 62 11 46 52 31 53 40 28 1 29 46 45 44 26 18 24 25 25 26 31 22 22 19 46 44 45 33 62 49 49 48 47 63 43 36 55 23 57 4010 320T BOYDE THE DRA INFOR ON ARE INLET OUTLE...

Page 8: ...1 4 O D Main Shaft for PP2 39 01979 2 1 1 1 4 I D 18 Ga Machine Bushing 40 01989 1 1 1 4 x 1 4 x 1 Key 41 12489 1 2 Piston Rod Guide Bushing O Ring 42 01992 1 2 Piston Rod Guide Bushing 43 01993 1 2...

Page 9: ...he side of the throw out arm plate ADJUSTMENT INSTRUCTIONS YOKE PEG 16 28 25 26 27 25 10 17 15 16 10 11 14 10 11 12 20 21 19 22 36 32 30 NOTE Clutch Throw out Yoke must be positioned as shown with blo...

Page 10: ...B This exposes the valves inletvalvesonbottom blue C andoutletvalveson top red D Remove valve o rings E making sure valves are clear of matter and in proper working condition 2 Remove center large cyl...

Page 11: ...s D and o rings E on the top side in an upward direction and replace outlet manifold B clamps A and bolts Do Not Tighten Clamps 8 Replace the blue valves C and o rings E on bottom side in an upward di...

Page 12: ...tackpack retainer assembly H A A B E F D C AA A A C D G 2 Remove large clamp A Proceed by pulling the Piston Large O ring C Small O ring D and the cylinder hous ing assembly AA off of the piston rod G...

Page 13: ...drive wheel with a radius of 17 and the wheel that presses against it has a radius of 6 5 we can simply divide the drive wheel radius 17 by the press wheel radius 6 5 This gives a ratio of 2 615 to 1...

Page 14: ...ch can shorten the life of your pump A high pressure spray washer is recommended to remove dirt and chemicals from the pump and clutch assemblies after each use Cover the vent hole in the 1 4 breather...

Page 15: ...ff valve between tank and pump Remove the inlet and outlet hoses and inlet manifold plugs Using a long thin rod drain the inlet valve by pump ing the rod up and down into each of the inlet manifold pl...

Page 16: ...sure they are in good condition 4 CONTROLS Check for leakage plugging or wear on all valves fit tings etc Clean off any build up of foreign material 5 PUMP Check to be sure pump turns freely 6 FRAME B...

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