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Models
MP4120-SWS and
MP4124-SWS
Updated 07/18
Triplex Ceramic Plunger Pump
Operating Instructions/
Repair and Service Manual
Contents:
Installation Instructions: page 2
Warranty Information:
page 3
page 4
page 5
page 6
page 7-11
page 11
page 11
back page
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Summary of Contents for Giant MP4124-SWS
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Page 1: Table Of Contents
Triplex Ceramic Plunger Pump Models Operating Instructions/ Repair and Service Manual MP4120-SWS and MP4124-SWS Contents: Installation Instructions: page 2 Pump Specifications: page 3 Exploded View: page 4 Parts List / Repair Kits: page 5 Trouble Shooting: page 6 Repair Instructions:... -
Page 2: Installation Instructions
Make sure that all parts on the pressure side of the unit are vented and refilled, with pressure Oil: Use 33.8 fl. ounces (1.0 liters) of Giant’s at zero, before starting the pump. part number 01154 or ISO VG 220 GL4 (e.g. -
Page 3: Pump Specifications
MP4120-SWS/MP4124-SWS PUMP SPECIFICATIONS U.S. Measurements Max. Max. Pres- Max. Power Max. Plunger NPSH Re- Flow sure Speed Required Temperature Diameter quired Model °F Ft-Head MP4120-SWS 3625 1450 23.1 0.787 24.6 MP4124-SWS 12.8 2610 1450 0.945 27.9 Metric Measurements Max. Max. Pres- Max. -
Page 4: Exploded View
Exploded View - MP4120-SWS/MP4124-SWS... -
Page 5: Parts List / Repair Kits
MP4120-SWS/MP4124-SWS PARTS LIST ITEM PART # DESCRIPTION ITEM PART# DESCRIPTION QTY. QTY. 13050 Rear Support Ring (MP4124) 06100 Crankcase 13049 Rear V-Sleeve (MP4124) 13000 Oil Filler Cap Assembly 07266 O-Ring for Seal Retainer 07243 Cover, Crankcase 07267 Snap Ring 07244... -
Page 6: Trouble Shooting
Excessive vacuum Reduce suction vacuum Cracked plungers Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Tem- Wrong Grade of oil Giant oil is recommended perature Improper amount of oil in crank- Adjust oil level to proper amount case... - Page 7 REPAIR INSTRUCTION - MP4120-SWS/MP4124-SWS Disassembly sequence With a 27mm wrench, re- Inspect the plug o-rings 3. From the discharge port remove move the three discharge (#48A and #42B) and the spring retainer (#47) plugs (#48) and three inlet replace as necessary.
- Page 8 REPAIR INSTRUCTION - MP4120-SWS/MP4124-SWS 9. Turn the manifold (#43) over and remove the rear v-sleeve 8. From the front of the manifold snap ring (#36) and rear v-sleeve assembly (#35A-35D). (#43), remove the packing as- These parts should slide out with little resistance. If neces- sembly (#41A, 41, 40, and 39).
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Page 9: Repair Instructions
REPAIR INSTRUCTIONS - MP4120-SWS/MP4124-SWS 15. Replace the rear v-sleeve assembly (#35A-35D) and replace the snap ring (#36). 16. Reinstall the pressure ring (#39), v-sleeve (#40), support ring (#41), and intermediate ring (#41A) into each plunger bore. Re-install the spacer ring (#52A). - Page 10 35. Remove the old crankshaft seal (#15) from the bearing cover (#14). Lubricate the edges of the new seal and install using the standard Giant Bearing Tool. Remove the bearing tool and tap around the perimeter of the seal with a rubber mallet to firmly seat the seal. Position the far bearing cover on the crankcase (#1) and insert the cover bolts (#17).
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Page 11: Torque Specifications
(#5). 41. Fill the crankcase with 32 fluid ounces of Giant oil or the equivalent SAE 80W-90 Industrial Gear oil and check the oil level with the dip stick (#8). The proper level is center of the two lines. Reinstall the Giant pump into your system. - 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 prod- ucts under warranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A.
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