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Plunger Packing Kit

# 09465

Item

Part # Description

Qty.

  22

06290

Pressure Ring

   3

  20

06315

V-Sleeve    3

Valve Assembly Kit

# 09475

Item

Part #

Description

Qty.

  18

07374

Valve Spring

6

  19A

06267

Guided P-Valve

3

  19

06295

Discharge Valve Cone

3

8

Position

Item#

Description

Torque Amount (ft.-lbs)

2

07881A

Socket Head Cap Screw 1/4"

100in-lbs.

39

06320

Stud Bolt

360in-lbs.

HR2527A/HR3025/HR3030 SERIES TORQUE SPECIFICATIONS

Unloader Repair Kit

# 09235

Item

Part #

Description

Qty.

  36

07913

O-Ring

 1

  47

07937

O-Ring, Adjusting Screw

2

  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

GX and HR Pump Part Numbering System

For example, a GXV2525-112 is a GX pump that produces 2.5 GPM @ 2500 PSI, has a injector with a

2.1mm Oriface, 1/2" thermal relief valve and 7/8" wobble plate bore.

Oil Seal Kit

# 09468

Item

Part #      Description

          Qty.

  15

06316

     Plunger Oil Seal        3

HR2527A/HR3025/HR3030 Repair Kits

Wobble

Pressure (in

Thremal

Plate

100 psi

Relief

Shaft

GX or HR Series

Flow

increments)

Injector Size

Valve

Bore

Vertical

20=GPM

25=2500 PSI

1=2.1 mm

1=1/2"

1=3/4"

Horizontal

23=GPM

2=1.8mm

2=7/8"

25=GPM

3=2.3mm

3=1"
4=5/8”

GX or HR

2.5

25

  -

1

1

1

Summary of Contents for HR2527A

Page 1: ...odels HR2527A HR3025 HR3030 Pumps Contents InstallationInstructions page 2 Pump Specifications pages 3 5 Exploded View page 6 Parts List page 7 Kits Torgue Specs page 8 ToubleShooting page 9 RepairIns...

Page 2: ...urs of operation Then at regular intervals of 500 hours or less depending on operatingconditions Use Giant synthetic oil 2 Pump operation must not exceed rated pressure volume or RPM A pressure relief...

Page 3: ...11 7 lbs 12 7 lbs Width 6 9 16 Height 7 25 32 Swash Plate Bore 3 4 x 3 16 Keyway Valve Type Polyamide Plastic 1 A 25 PSIG minimum inlet pressure is required HORSEPOWER RATINGS The rating shown are th...

Page 4: ...PSIG minimum inlet pressure is required HORSEPOWER RATINGS The rating shown are the power requirements for the pump Gas engine power outputs must be approximately twice the pump power requirements sh...

Page 5: ...ght 11 4 lbs Width 6 7 16 Height 10 1 4 Swash Plate Bore 1 x3 16 Keyway Valve Type Polyamide Plastic 1 A 25 PSIG minimum inlet pressure is required HORSEPOWER RATINGS The rating shown are the power re...

Page 6: ...6 HR2527A HR3025 HR3030 EXPLODED VIEW...

Page 7: ...l 3 16 06317 Spacer Ring 3 18 07374 Valve Spring 6 19 06295 Valve Cone Discharge 3 19A 06267 Valve Cone Inlet 3 20 06315 V Sleeve 3 22 06290 Pressure Ring 3 28 06424 Manifold 1 34 07379 Manifold Plug...

Page 8: ...O Ring Adjusting Screw 2 48 12031 0002 Teflon Back Up Ring 2 49 06227 8mmBall 1 56 12007 O Ring 2 62 12326 O Ring 1 66 07935A By Pass Seat 1 GX and HR Pump Part Numbering System For example a GXV2525...

Page 9: ...uum Inletpressuretoohigh Wrong Grade of oil Improper amount of oil in crankcase REMEDY Replacepackingseals Replacespring Replacenozzle Cleanvalveassembly Cleanstrainer Repair Replacehose Clean Reset a...

Page 10: ...ly 50 56 47 and 59 Unscrew the adjusting screw 59 from the adjusting screw plug 50 6 Next remove the three manifold stud nuts 39 with a 17mm wrench Remove the suction flange 37 and flange o ring 38 In...

Page 11: ...th 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 9 Remove the valve cones 19A valve s...

Page 12: ...ding the specifications set forth in the Operations Manuals provided by Giant Industries Inc Liability under this warranty is on all non wear parts and limited to the replacement or repair of those pr...

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