Giant LP250 Operating Instructions/ Repair And Service Manual

Giant LP250 Operating Instructions/ Repair And Service Manual

Triplex ceramic plunger pump

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Model
LP200, LP250 & LP250W-MT
Updated 5/02
Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual
Contents:
LP250/LP250W-MT
Guide:
Trouble Shooting:
Recommended
Spare Parts List:
Warranty Information:
page 2
page 3
page 4
page 5
page 6
page 7-9
page 9
page9
page 10
page 10
page 11
back page

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Table of Contents
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Summary of Contents for Giant LP250

  • Page 1: Table Of Contents

    Triplex Ceramic Plunger Pump Operating Instructions/ Model Repair and Service Manual LP200, LP250 & LP250W-MT Contents: Installation Instructions: page 2 LP200 Specifications: page 3 Exploded View / Kits: page 4 Parts List: page 5 LP250/LP250W-MT Specifications: page 6 Repair Instructions:...
  • Page 2: Installation Instructions

    DO NOT OVERFILL. device must be installed in the discharge of the system. Use Giant gear lube oil (p/n 1154) or the equivalent SAE 90 Industrial gear oil. 3. Acids, alkalines, or abrasive fluids cannot be pumped unless approval in writing is obtained Crankcase oil should be changed after the before operation from Giant Industries, Inc.
  • Page 3: Lp200 Specifications

    Specifications Model LP200 Volume ......................Up to19.0 GPM Discharge Pressure ..................Up to 2900 PSI Inlet Pressure ....................Up to 90 PSI Speed ......................Up to 1000 RPM Plunger Diameter ..................28 mm Stroke ......................42 mm Crankcase Oil Capacity ................100 fl.oz. Temperature of Pumped Fluids ..............
  • Page 4: Exploded View / Kits

    Exploded View - LP200, LP250 & LP250W-MT...
  • Page 5: Parts List

    LP200, LP250 & LP250W-MT PARTS LIST ITEM PART DESCRIPTION ITEM PART DESCRIPTION 07759 Crankcase 13360 Grooved Ring (LP250) 13000 Oil filler Plug Assy. 13025 Leakage Seal (LP250W-MT) 06085 Crankcase Cover 07170 Seal Case 07104 O-ring, Crankcase Cover 07140 O-Ring 07186...
  • Page 6: Specifications

    Specifications Model LP250, LP250W-MT Volume ......................Up to 26.0 GPM Discharge Pressure ..................Up to 2200 PSI Inlet Pressure ....................Up to 90 PSI Speed ......................Up to 1000 RPM Plunger Diameter ..................32 mm Stroke ......................42 mm Crankcase Oil Capacity ................100 fl.oz.
  • Page 7: Repair Instructions

    LP200, LP250 & LP250W-MT - REPAIR INSTRUCTIONS 44A 44B 1. With a 30mm wrench, 2. Remove the compression 3. Remove the complete valve spring (45) & o-rings (44A assembly (46) with valve remove the (3) plugs (48). & 44B-LP250W-MT only).
  • Page 8 LP200, LP250 & LP250W-MT - REPAIR INSTRUCTIONS 9. Check plunger surface (29B). If plunger pipe is worn out, loosen 8. Remove seal case (37) from valve casing (43) and inspect tension screws (29C) and pull off plunger pipe to the front. Clean front surface of plunger (25) thoroughly.
  • Page 9: Torque Specifications

    (20A and 20B) under the bearing cover. IMPORTANT! After assembly has been completed, the crankshaft should turn easily with very little clear- ance. Tighten connecting rod screws (24A) to 310 in.-lbs. LP200, LP250 & LP250W-MT TORQUE SPECIFICATIONS Position Item#...
  • Page 10 Replace plungers Inlet pressure too high Reduce inlet pressure Wrong Grade of oil High Crankcase Giant oil is recommended Improper amount of oil in crankcase Temperature Adjust oil level to proper amount Preventative Maintenance Check-List & Recommended Spare Parts List...
  • Page 11: Dimensions

    LP200, LP250 & LP250W-MT DIMENSIONS...
  • Page 12 A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under warranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A.

This manual is also suitable for:

Lp200Lp250w-mt

Table of Contents