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7

 

    

ITEM 

PART 

DESCRIPTION 

QTY.

08377 

Crankcase 

1

08378 

Oil Fill Plug with Gasket 

1

06479 

Crankcase cover 

1

3A 

07186 

Oil Sight Glass w/ Gasket 

1

08380 

O-Ring 

1

07109 

Oil Drain Plug 

1

5A 

06015 

Gasket for Oil Drain Plug 

1

5B 

08092 

Plug with Gasket 

1

01010 

Screw 

4

6A 

01011-0400 

Spring Washer 

4

04739 

Bearing Cover, Open 

1

05291 

Bearing Cover, Closed 

1

8A 

05292 

Shim 

1-3

8B 

05293 

Shim (May not be present) 

1

8C 

05964 

Shim 

1-2

01016 

O-Ring 

2

10 

07114 

Screw with Washer 

8

11 

07459 

Radial Shaft Seal 

1

12 

05350 

Taper Roller Bearing 

2

13 

04741 

Crankshaft (A, B, J & K)  

1

13 

04740 

Crankshaft (G &  H) 

1

13A 

04742 

Spacer Ring 

1

14 

08091 

Fitting Key 

1

15 

08390 

Connecting Rod Assembly 

3

15B 

05349 

Connecting Rod Screw 

6

15C 

05348 

Adapter Sleeve 

6

16 

05351 

Plunger Assy., 25mm, (A & H)  

 

 

For items 16A-16H 

3

16 

05351-0001 

Plunger Assy., 25mm, (J & K)  

 

 

For items 16A-16H 

3

16 

05353 

Plunger Assy., 22mm, (B & G)  

 

 

For items 16A-16H 

3

16A 

05352 

Plunger Base        

3

16B 

08398 

Plunger Pipe, 25mm (A, H, J & K) 

3

16B 

06247 

Plunger Pipe, 22mm (B & G) 

3

16D 

08399 

Tensioning Screw 

3

16E 

07023 

O-Ring 

3

P420 / P420-0011 / P420-0021 / P422 / P423 and P425 SPARE PARTS LIST

ITEM

   

PART 

    

DESCRIPTION

                           

 

QTY.

16F 

07203 

Backup Ring 

3

16G 

07258 

Copper Washer 

3

16H 

06431 

Oil Scraper 

3

17 

06790 

Crosshead Pin 

3

19 

05444 

Oil Seal 

3

20 

05443 

Seal Case (A, H, J & K) 

3

20 

05601 

Seal Case (B & G) 

3

21 

07266 

O-Ring (A, B, G, & H) 

3

21 

07266-0001 

O-Ring, Viton (J & K) 

3

23 

12254 

V-Sleeve, 25mm (A & H) 

3

23 

12254-0010 

V-Sleeve, 25mm, Viton, (J) 

3

23 

12254-0020 

V-Sleeve, 25mm, Teflon, (K) 

3

23 

06249 

V-Sleeve with Support Ring, 

 

 

22mm (B & G) 

23A 

06251 

Spacer Ring (B & G) 

3

23B 

12255 

Weep Seal (A & H)  

3

23B 

12255-0010 

Weep Seal, Viton (J)  

3

23B 

12255-0020 

Weep Seal, Teflon (K)  

3

23B 

13390 

Weep Seal (B & G)  

3

24 

08376 

Pressure Ring (A, H, J & K) 

6

24 

06252 

Pressure Ring (B & G) 

3

25 

08394 

Weep Return Ring (A, H, J & K) 

3

25 

06254 

Weep Return Ring (B & G) 

3

26 

08395 

Manifold   

1

27A 

08408 

Valve Assembly (A, B, G & H) 

6

27A 

08408-0001 

Valve Assembly (J & K) 

6

27 

08370 

Valve Seat 

6

28 

06791-0100 

Valve Plate 

6

29 

06377-0100 

Valve Spring 

6

30 

08372 

Valve Spring Retainer 

6

31 

07212 

O-Ring (A, B, G & H) 

6

31 

07212-0001 

O-Ring, Viton (J & K) 

6

32 

08373 

Plug 

6

33 

07214 

O-Ring (A, B, G & H) 

6

33 

07214-0001 

O-Ring, Viton (J & K) 

6

34 

08396 

Cap Screw 

8

A = P420    B = P422    G = P423    H = P425    J = P420-0011    K = P420-0021

P420 / P420-0011 / P420-0021 / P422 / P423 and P425 REPAIR KITS

Plunger Packing Kits

P420, P425 - # 09140

Item 

Part # 

Description 

Qty

21 

07266 

O-Ring 

3

23 

12254 

V-Sleeve 

3

23B 

12255 

Weep Seal 

3

24 

08376 

Pressure Ring 

6

Valve Assembly Kit

P420, P422, P423, P425 - # 09143

Item 

Part # 

Description 

Qty.

27A 

08408 

Valve Assembly, Complete 

6

33 

07214 

O-Ring 

6

Optional Viton Plunger Packing Kit

P420-0011 -  # 09140-0011 

Item 

Part # 

Description 

Qty

21 

07266-0001 

O-Ring, Viton 

3

23 

12254-0010 

V-Sleeve, Viton 

3

23B 

12255-0010 

Weep Seal, Viton 

3

24 

08376 

Pressure Ring 

6

Optional Viton Valve Assembly Kit

P420, P422, P423, P425 - # 09143-0001

Item 

Part # 

Description 

Qty.

27A 

08408-0001 

Valve Assembly, Complete 

6

33 

07214-0001 

O-Ring 

6

Plunger Packing Kit

P422, P423 - # 09295

Item 

Part # 

Description 

Qty

21 

07266 

O-Ring 

3

23 

06249 

V-Sleeve with Support Ring 

3

23B 

13390 

Weep Seal 

3

24 

06252 

Pressure Ring 

3

Oil Seal Kit

P400 Series - # 09641

Item 

Part # 

Description 

Qty

19 

05444 

Oil Seal 

3

Optional Teflon Plunger Packing Kit

P420-0021 -  # 09140-0021

Item 

Part # 

Description 

Qty

21 

07266-0001 

O-Ring, Viton 

3

23 

12254-0020 

V-Sleeve, Teflon 

3

23B 

12255-0020 

Weep Seal, Teflon 

3

24 

 08376 

Pressure Ring 

6

 

Summary of Contents for P400 Series

Page 1: ...Kits page 7 Pump Specifications P425 page 8 Repair Instructions Torque Specs pages 9 10 Trouble Shooting Chart page 11 Recommended Spare Parts List page 11 Dimensions back page Warranty Information back page Updated 06 18 Triplex Ceramic Plunger Pump Operating Instructions Repair and Service Manual For Models P420 P420 0011 P420 0021 P422 P423 P425 ...

Page 2: ...Important If there is a danger of frost the water in the pump and in the pump fittings particularly the unloader valve must be emptied The second dis charge port cal also be used and the pump run dry for 1 2 minutes for this purpose Oil amount 30 4 ounces 0 9 liters Only use ISO VG 220 industrial gear oil e g Aral Degol BG220 or automobile gear oil SAE 90 GL4 Giant p n 01154 Initial oil change aft...

Page 3: ...e or more of the limits specified above SPECIAL NOTE The theoretical gallons per revolution gal rev is 0 00883 To find specific outputs at various RPM use the formula GPM 0 00883 x RPM U S Metric Volume Up to 12 8 GPM 48 4 L min Discharge Pressure Up to 2175 PSI 150 bar Maximum Power Consumption 19 2 BHP 14 3 kW Inlet Pressure 4 35 to 145 PSI 3 to 10 bar Stroke 0 945 24mm RPM Up to 1450 RPM Plunge...

Page 4: ...formula HP GPM X PSI 1450 SPECIAL NOTE The theoretical gallons per revolution gal rev is 0 00683 To find specific outputs at various RPM use the formula GPM 0 00683 x RPM Specifications Model P422 U S Metric Volume Up to 9 9 GPM 37 3 LPM Discharge Pressure Continuous Up to 2610 PSI 180 bar Discharge Pressure Intermittent Up to 3000 PSI 200 bar Maximum Power Consumption 17 7 BHP 13 2 kW Inlet Press...

Page 5: ...mp horse power requirements use the following formula HP GPM X PSI 1450 SPECIAL NOTE The theoretical gallons per revolution gal rev is 0 00566 To find specific outputs at various RPM use the formula GPM 0 00566 x RPM Specifications Model P423 U S Metric Volume Up to 8 2 GPM 31 1 LPM Discharge Pressure Up to 2900 PSI 200 bar Maximum Power Consumption 16 4 BHP 12 2 kW Inlet Pressure 4 35 to 145 PSI ...

Page 6: ...6 EXPLODED VIEW P420 P420 0011 P420 0021 P422 P423 AND P425 PUMPS ...

Page 7: ...23B 12255 0010 Weep Seal Viton J 3 23B 12255 0020 Weep Seal Teflon K 3 23B 13390 Weep Seal B G 3 24 08376 Pressure Ring A H J K 6 24 06252 Pressure Ring B G 3 25 08394 Weep Return Ring A H J K 3 25 06254 Weep Return Ring B G 3 26 08395 Manifold 1 27A 08408 Valve Assembly A B G H 6 27A 08408 0001 Valve Assembly J K 6 27 08370 Valve Seat 6 28 06791 0100 Valve Plate 6 29 06377 0100 Valve Spring 6 30 ...

Page 8: ...equirements use the following formula HP GPM X PSI 1450 SPECIAL NOTE The theoretical gallons per revolution gal rev is 0 00738 To find specific outputs at various RPM use the formula GPM 0 00738 x RPM Specifications Model P425 U S Metric Volume Up to 10 7 GPM 40 4 LPM Discharge Pressure Up to 2465 PSI 170 bar Maximum Power Consumption 18 1 BHP 13 5 kW Inlet Pressure 4 35 to 145 PSI 3 to 10 bar Str...

Page 9: ...27 and the valve spring retainer 30 the valve assembly can be separated 4 Remove the o ring 31 Inspect all parts for wear and replace as necessary Apply one drop of loctite 243 to the valve plugs 32 and tighten to 107 ft lbs 145 NM 5 Use a 8mm allen wrench to remove the 8 socket head cap screws 34 Carefully slide the valve casing 26 out over the plungers 6 Remove seal case 20 and weep return rings...

Page 10: ...08092 Plug with Gasket 59 ft lbs 80 Nm 6 01010 Screw 111 in lbs 12 5 Nm 10 07114 Screw with Washer 133 in lbs 15 Nm 15B 05349 Connecting Rod Screw 97 in lbs 11 Nm 16D 08399 Tensioning Screw Loctite 243 20 7 ft lbs 28 Nm 32 08373 Plug Loctite 243 107 ft lbs 145 Nm 34 08396 Cap Screw Lightly Oil 30 ft lbs 40 Nm Repair Instructions P420 P420 0011 P420 0021 P422 P423 and P425 11 If oil leaks under und...

Page 11: ...sure Drop leaks correctly sized inlet plumbing to pump Accumulator pressure Recharge Replace accumulator Unloader Check for proper operation Cavitation Check inlet lines for restrictions and or proper size Pressure Drop at Gun Restricted discharge plumbing Re size discharge plumbing to flow rate of pump Excessive Worn plungers Replace plungers Leakage Worn packing seals Adjust or Replace packing s...

Page 12: ...tions made by the customer or third party 6 The operation of pumps and or accessories exceeding the specifications set forth in the Opera tions 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 products returned freight prepaid to Giant Industries which are deemed to be defective due to workmanship or f...

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