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Repair Kits - GP7145(-SSP) and GP7255A(-SSP)

Plunger Packing Kit - GP7145(-SSP)

# 09603

Item 

Part # 

Description 

Qty.

38A 

13156 

O-Ring               

3

38B 

06258 

O-Ring 

3

39A 

13290 

Grooved Ring 

3

42 

13294 

V-Sleeve 

9

Plunger Packing Kit - GP7255A(-SSP)

# 09220

Item 

Part # 

Description 

Qty.

38A 

13156 

O-Ring               

3

38B 

07721 

O-Ring 

3

39A 

07723 

Grooved Ring 

3

42 

07711 

V-Sleeve 

6

Oil Seal Kit

# 09221

Item 

Part # 

Description 

Qty.

32 

07624 

Radial Shaft Seal 

  3

33A 

07627 

O-Ring  

  3

 Position  Item# 

Description 

Lubrication/Loctite 

Torque Specifications

 

07600 

Crankcase 

Molycote/Cu-Paste

  10 

22706 

Hexagon Screw 

 

33 ft.-lbs. (45 Nm)

  12 

07109 

Drain Plug 

 

59 ft.-lbs. (80 Nm) 

  24 

13182 

Connecting Rod Assembly 

 

30 ft.-lbs. (40 Nm)

  30A 

07225-0100  Hexagon Screw 

 

89 in.-lbs. (10 Nm)

  32 

07624 

Radial Shaft Seal 

Loctite 403 

  36A 

07667 

Plunger Connection 

 

33 ft.-lbs. (45 Nm)

  36C 

07664 

Tension Screw 

Loctite 243 

30 ft.-lbs. (40 Nm)

  49 

13159 

Stud Bolt 

Loctite 270

  49A 

13160 

Hexagon Nut 

 

103 ft.-lbs. (140 Nm)

  58 

06682 

Plug 

 

107 ft.-lbs. (145 Nm)

GP7145(-SSP) and GP7255A(-SSP) Torque Specifications

Valve Repair Kits GP7145(-SSP) / GP7255(-SSP)

Inlet Valve Kit

# 09659

Item 

Part # 

Description 

Qty.

51 

05594 

Inlet Valve Assembly 

1

56A 

07658 

O-Ring 

1

56B 

07635 

Support Ring 

1

Large Discharge Valve Kit 

# 09660

Item 

Part # 

Description 

Qty.

52 

05600 

Discharge Valve Assembly 

55 

05647 

Valve Spacer 

1

56A 

07658 

O-Ring 

1

56B 

07635 

Support Ring 

1

Small Discharge Valve Kit 

*

# 09661

Item 

Part # 

Description 

Qty.

51B 

05450 

Valve Spring 

51C 

05247 

Valve Plate 

1

51D 

05596 

O-Ring 

1

52F 

05599 

O-Ring 

1

56A 

07658 

O-Ring 

1

56B 

07635 

Support Ring 

1

The discharge valve seat (item 52E) can be flipped

over and used. If it is damaged on both sides, order

kit # 09660.

8

Summary of Contents for GP7145

Page 1: ...ns GP7255A page 5 Exploded View page 6 Parts List page 7 Kits Torque Specifications page 8 Repair Instructions page 9 Troubleshooting Guide page 10 Dimensions page 11 Warranty Information back page Tr...

Page 2: ...ion is to be considered as a general outline for instal lation If you have unique requirements please contact Giant Industries Inc or your local distributor for assistance 1 The pump should be install...

Page 3: ...ged if condensate or frothy oil occurs in crankcase 2 Pump operation must not exceed rated pressure volume or RPM A pres sure relief device must be installed in the discharge of the system 3 Acids alk...

Page 4: ...inuous 750 RPM Speed Intermittent 947 RPM Inlet Pressure maximum 145 PSI 10 bar Plunger Diameter 1 77 45mm Plunger Stroke 2 0 52mm Crankshaft Diameter 1 9 48mm Key Width 0 6 14mm Crankshaft Mounting E...

Page 5: ...Speed Continuous 700 RPM Speed Intermittent 851 RPM Inlet Pressure maximum 145 PSI 10 bar Plunger Diameter 2 17 55mm Plunger Stroke 2 0 52mm Crankshaft Diameter 1 9 48mm Key Width 0 6 14mm Crankshaft...

Page 6: ...6 Exploded View GP7145 SSP and GP7255A SSP...

Page 7: ...38A 13156 O Ring for 38 3 38B 06258 O Ring for 38 GP7145 SSP 3 PARTS LIST GP7145 SSP and GP7255A SSP 7 ITEM PART DESCRIPTION QTY 38B 07721 O Ring for 38 GP7255A SSP 3 39 06171 Seal Sleeve GP7145 SSP 3...

Page 8: ...Radial Shaft Seal Loctite 403 36A 07667 Plunger Connection 33 ft lbs 45 Nm 36C 07664 Tension Screw Loctite 243 30 ft lbs 40 Nm 49 13159 Stud Bolt Loctite 270 49A 13160 Hexagon Nut 103 ft lbs 140 Nm 5...

Page 9: ...ge becomes too heavy and causes output and operating pressure to drop MOUNTING VALVE CASING Check O rings 38A 38B on the seal case 38 Clean surfaces of seal sleeves in gear box and sealing surfaces of...

Page 10: ...Check inlet lines for restrictions and or proper sizing Rough Pulsating Operation with Pressure Drop Worn packing Replace packing Inlet restriction Check system for stoppage air leaks correctly sized...

Page 11: ...GP7145 SSP and GP7255A SSP Dimensions Inches mm 11 NPT NPT...

Page 12: ...third party 2 Normal wear and tear to standard wear parts 3 Use of repair parts other than those manufactured or authorized by Giant 4 Improper use of the product as a component part 5 Changes or modi...

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