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Triplex Ceramic
Plunger Pump
Operating Instructions/ 
Repair and Service 
Manual

Models

MP4130-3100 & MP4135-3100

Contents:

Installation Instructions: 

page 2

Pump Specifications: 

page 3

Exploded View: 

page 4

Parts List / Kits: 

page 5

Repair Instructions: 

page 6-10

Torque Specifications: 

page 10

Pump Mounting Selection Guide: 

page 10 

Troubleshooting/Recommended 
Spare Parts List: 

page 11

Dimensions: 

back page

Warranty Information: 

back page

Updated 07/12

Summary of Contents for MP4130-3100

Page 1: ...nstallation Instructions page 2 Pump Specifications page 3 Exploded View page 4 Parts List Kits page 5 Repair Instructions page 6 10 Torque Specifications page 10 Pump Mounting Selection Guide page 10...

Page 2: ...sistance 1 The pump should be installed flat on a base to a maximum of a 15 degree angle of inclina tion to ensure optimum lubrication 2 The inlet to the pump should be sized for the flow rate of the...

Page 3: ...e on pumps output due to variations in pulleys belts and motors among manufacturers 1 Select GPM required then select appropriate motor pulley from the same line 2 The desired pressure is acheived by...

Page 4: ...4 MP4130 3100 MP4135 3100 Exploded View...

Page 5: ...39 07271 Pressure Ring 6 40 07272 V Sleeve 9 41 07273 Support Ring 6 42 07353 Tension Spring 3 42A 06103 Tension Plug 3 42B 06736 O Ring Tension Plug 3 43 04152 Valve Casing 1 44 07280 0100 Valve Sea...

Page 6: ...shers 50A Tap the back of the mani fold with a rubber mallet to dislodge and slide it off the studs 49 6 To remove the inlet valve assembly insert a 13mm socket with extension through the rear of the...

Page 7: ...washer 50A and second nut on each stud Tighten the nuts against each other Hold the front nut with one wrench and remove the stud bolt by turning the rear nut coun terclockwise with another wrench To...

Page 8: ...ng 21 Inspect the surfaces of the crosshead plunger assembly 25 and connecting rods 24 for heavy scoring or galling due to poor lubrication Check for play at the joint between connecting rod crosshead...

Page 9: ...32 Inspect the ceramic plungers 29B and replace them if necessary Clean the ends of the ceramic and remount onto the crosshead plunger assembly Make certain that the end of the plunger which is not co...

Page 10: ...ing washer 50A and tighten the manifold stud nuts 50 to 696 inch pounds 79 Nm 37 Place the entire discharge assembly into discharge port making certain the assembly is properly seat ed Install dischar...

Page 11: ...loader Check for proper operation Water in crankcase High humidity Reduce oil change interval Worn seals Replace seals Noisy Operation Worn bearings Replace bearings Refill crankcase oil with recommen...

Page 12: ...of the buyer or third party 2 Normal wear and tear to standard wear parts 3 Use of repair parts other than those manufactured or authorized by Giant 4 Improper use of the product as a component part...

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