Giant LP122A-3100 operating instructions 29E 29A 29B 29D 29C

Page 7

LP122A-3100 - Repair Instructions

5.If there are signs of oil leaking through the plunger oil seals, then replacment is neccessary.Remove the plunger pipe

(29B) before inspect ing oil seals (31A & 33). Dissassemble the gear end and push out the seals from the back of the pump.

29E

29A

29B

29D

29C

6.Inspect surface of plunger pipe (29B) carefully. Remove any chemical or mineral deposits taking care not to damage the surface of the plunger. If plunger pipe is worn, remove the plunger bolt (29C) , plunger pipe (29B) and spacer (29E). Replace worn parts necessary. Note: Always use a new copper gasket (29) when repairing the plunger assem- bly.

7.Oil seal replacement can be accomplished by pulling the retainer forward out of the crankcase. The o-ring around the outside of the retainer should be replaced and lubri- cated with a light film of oil.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29E

29A

29B

29D

29C

 

 

 

 

 

 

 

 

 

 

8.If previously disassembled thoroughly clean all exposed surfaces on the spacer (29E) and all exposed threads on the plunger bolt (29C) and the steel plunger base (25). Threads MUST be free of old loc-tite and any other material such as oil, grease, etc. This is necessary to ensure proper curing of new loc-tite. Giant recommends cleaning the threads with acetone or other suitable cleaner. Reassemble plunger assembly parts (29A, 29B, & 29E) using a new copper gasket (29D) and the cleaned plunger bolt (29C). Slide the bolt through the center of the four (4) pieces so that the threaded end is exposed. Apply several drops of loc-tite 243 (or equivalent) adhesive to the threads. Thread into steel plunger base and tighten to 26 ft.-lbs. BE CERTAIN ALL PARTS ARE CENTERED WITH THE BOLT!

9. Lubricate weep seal (36). Place, weep seal (36), and pressure ring (36A)

10. Place support ring (41) and

into the seal sleeve (35). Assemble the o-ring (35A) onto seal sleeve and

v-sleeves (40) into valve

lubricate.

casing.

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Contents Model Important Operating Conditions Installation InstructionsPulley Information Horsepower InformationExploded View LP122A-3100 Partno Description Spare Parts List LP122A-3100 PumpLP122A-3100 Repair Instructions 29E 29A 29B 29D 29C LP122A-3100 Repair Instructions Pump System Malfunction LP122A-3100 Torque Specifications LP122A-3100 Dimensions Inches mm Giant Industries Limited Warranty
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LP122A-3100 specifications

The Giant LP122A-4000, LP255 Series, LP122A Series, LP123 Series, and LP122A-3100 are renowned for their advanced engineering and robust features tailored for various applications in industrial and commercial settings. These models showcase a blend of power, efficiency, and user-friendly design, making them highly regarded choices among professionals.

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In summary, the Giant LP122A-4000, LP255 Series, LP122A Series, LP123 Series, and LP122A-3100 exemplify innovation and reliability in the industry. Their features, including powerful motors, user-friendly controls, and versatile adaptations, make them indispensable tools for professionals looking to boost productivity while maintaining high standards of safety and efficiency.