Summary of the content on the page No. 1
Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual
Models
HR2527A/HR3025/
HR3030 Pumps
Consumer Pumps
HR2527A shown
Contents:
Installation Instructions: page 2
Pump Specifications: pages 3-5
Exploded View: page 6
Parts List: page 7
MADE IN THE USA
Kits/Torgue Specs: page 8
Touble Shooting page 9
Repair Instructions: page 10-11
Dimensions/Warranty: back page
Updated 5/02
Summary of the content on the page No. 2
INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., between the pump and the work area to protect pump is not a complicated procedure, but the pump from pressure spikes in the event of a there are some basic steps common to all blockage or the use of a shut-off gun. pumps. The following information is to be considered as a general outline for installa- 4. Reverse rotation may be safely achieved by tion. If you have unique requirements, following a few guidelines available up
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Specifications Model HR2527A Axial Pump Volume HR2527A .................................................................................2.5 GPM Maximum Discharge Pressure .............................................................2750 PSI 1 Maximum Inlet Pressure ......................................................................Up to 90 PSIG RPM .....................................................................................................3450 Plunger Diameter .......................
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Specifications Model HR3025 Axial Pump Volume HR3030....................................................................................3.0 GPM Maximum Discharge Pressure .............................................................2500 PSI 1 Maximum Inlet Pressure ......................................................................Up to 90 PSIG RPM .....................................................................................................3450 Plunger Diameter .......................
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Specifications Model HR3030 Axial Pump Volume HR3030....................................................................................3.0 GPM Maximum Discharge Pressure .............................................................3000 PSI 1 Maximum Inlet Pressure ......................................................................Up to 90 PSIG RPM .....................................................................................................3450 Plunger Diameter .......................
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HR2527A/HR3025/HR3030 EXPLODED VIEW 6
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HR2527A/HR3025/HR3030 SERIES PARTS LIST ITEM PART # DESCRIPTION QTY. ITEM PART # DESCRIPTION QTY. 46 06423 Piston 1 1* 06311 Adapting Plate (HR2527A/HR3025) 1 47 07937 O-Ring 2 1* 06403 Adapting Plate (HR3030) 1 48 12031-0002 Back-Up Ring 2 2 07881A Socket Head Cap Screw ¼ 8 49 06227 Ball, By Pass Valve 1 3 07344 O-Ring 1 50 06324 Adjusting Plug 1 4 07805 Radial Shaft Seal 1 o 51 07917A Washer 1 5** 06419 7.1 Piece Wobble Plate (HR2527A) 1 o 52 06608 Adjusting Spring 1 5** 06402 8 Wobble Plate
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HR2527A/HR3025/HR3030 Repair Kits Unloader Repair Kit Plunger Packing Kit # 09235 # 09465 Item Part # Description Qty. Item Part # Description Qty. 36 07913 O-Ring 1 22 06290 Pressure Ring 3 47 07937 O-Ring, Adjusting Screw 2 20 06315 V-Sleeve 3 48 12031-0002 Teflon Back-Up Ring 2 49 06227 8mm Ball 1 56 12007 O-Ring 2 62 12326 O-Ring 1 66 07935A By Pass Seat 1 Oil Seal Kit Valve Assembly Kit # 09468 # 09475 Item Part # Description Qty. Item Part # Description Q
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PUMP TROUBLE SHOOTING MALFUNCTION CAUSE REMEDY The Pressure and/or Worn packing seals Replace packing seals the Delivery Drops Replace spring Broken valve spring Replace nozzle Worn or Damaged nozzle Fouled discharge valve Clean valve assembly Clean strainer Fouled inlet strainer Repair/Replace hose Worn or Damaged hose Worn or Plugged relief valve on pump Clean, Reset, and Replace worn parts Check suction lines on inlet of Cavitation pump for restrictions Water in crankcase Reduce oil change in
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REPAIR INSTRUCTIONS - HR2527A/HR3025/HR3030 NOTE: Always take time to lubricate all metal and nonmetal parts with a light film of oil before reassembly. This step will ensure proper fit, at the same time protecting the pump's nonmetal parts (elastomers) from cutting and scoring. 1. With a 19mm socket wrench, remove the three discharge valve plugs 2. With a 19mm crescent wrench, (34). Inspect the valve plug o-rings (56) for wear, and replace as neces- remove the adjusting screw as- sary. Remove
Summary of the content on the page No. 11
REPAIR INSTRUCTIONS - HR2527A/HR3025/HR3030 NOTE: Always take time to lubricate all metal and nonmetal parts with a light film of oil before reassembly. This step will ensure proper fit, at the same time protecting the pump's nonmetal parts (elastomers) from cutting and scoring. 54 56 48 47 48 46 66 7. Tap the back of the manifold (28) 8. With a 19mm socket wrench, remove the guide plug (54) and o-ring (56) with a rubber mallet to dislodge, from the manifold (28). Remove the piston (46), o-rin
Summary of the content on the page No. 12
11.25 HR2527A/HR3025/HR3030 (HR3030) SERIES DIMENSIONS 9.75 (HR2527A/HR3025) 6.44 GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects in workmanship and material as follows: 1. For portable pressure washers and self-service car wash applications, the discharge manifolds are guaranteed for the life of the pump. Our other pump parts, used in portable pressure washers and in car wash applications, are warranted
