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ITEM  PART 

DESCRIPTION 

QTY

38 

07140 

O-Ring, Seal Case 

3

38A 

13241 

Support Ring for 38 

3

39 

13012 

O-Ring (LP600/LP600-4000) 

3

39 

12055 

O-Ring (LP301A/LP301A-4000) 

3

39A 

13036 

Support Ring for 39 

 

 

(LP600/LP600-4000) 

3

39A 

07693 

Support Ring for 39 

 

 

(LP301A/LP301A-4000) 

3

40 

07322 

V-Sleeve (LP600/LP600-4000) 

3

40 

06083 

V-Sleeve (LP301A/LP301A-4000) 

6

40A 

07268 

Pressure Ring (LP600) 

3

40A 

07268-0100  Pressure Ring, 316 S.S. 

 

 

(LP600-4000) 

3

40A 

13366 

Pressure Ring (LP301A) 

3

40A 

13366-0100  Pressure Ring, 316 S.S 

 

 

(LP301A-4000) 

3

40B 

07270 

Support Ring for 40 (LP600) 

3

40B 

07270-0100  Support Ring for 40, 316 S.S. 

 

 

(LP600-4000) 

3

40B 

13367 

Guide Ring for 40 (LP301A) 

3

40B 

13438 

Guide Ring for 40, 316 S.S.

 

 

(LP301A-4000) 

3

40C  05963 

Sleeve (LP600/LP600-4000) 

3

41 

07338 

Pressure Spring

 

 

(LP301A/LP301A-4000 Only) 

3

43 

13040 

Valve Casing 

1

44A 

07150 

O-Ring 

9

44B 

06266 

Support Ring for O-Ring 

3

45 

06078 

Compression Spring 

3

46 

08286 

Valve Assy.,Complete

 

 

(LP600/LP600-4000)   

6

46 

07060 

Valve Assy., Complete

 

 

 (LP301A/LP301A-4000) 

6

46A 

07064 

Valve Seat (LP301A/LP301A-4000) 

6

46A 

07064-0100  Valve Seat (LP600/LP600-4000) 

6

46B 

13130 

Valve Plate (LP600/LP600-4000) 

6

46B 

07063 

Valve Plate (LP301A/LP301A-4000) 

6

46C  07062-0100  Valve Spring 

6

46D  07066 

Spacer Pipe 

 

 

(LP301A/LP301A-4000) 

6

46D  05472 

Spacer Pipe (LP600/LP600-4000) 

6

46E 

05473 

Valve Spring Guide 

 

 

(LP600/LP600-4000) 

6

48 

06077 

Plug 

3

49 

07157 

Stud bolt 

8

49A 

07158 

Hexagon Nut 

8

49B 

07159 

Disc 

8

50 

12250 

Plug, G-1/2”, S.S.

 

 

(LP301A/LP301A-4000 Only) 

1

50A 

06807 

Steel Ring 

1

52 

13020 

Disc for Crankshaft 

1

53 

06607 

Hexagon Screw 

1

54 

13044* 

Plug, G 1” 

2

55 

13151* 

Plug, G 1-1/4” 

2

ITEM  PART 

DESCRIPTION 

QTY

07759 

Crankcase 

1

13000 

Oil Filler Plug Assy. 

1

05940 

Cover Plate 

1

3A 

07223-0100  Spring Ring 

2

3B 

05051 

Hexagon Screw 

2

06085 

Crankcase Cover 

1

07104 

O-ring, Crankcase Cover 

1

05943 

Oil Sight Glass w/Gasket 

1

06086 

Oil Dipstick Assy. 

1

01009 

O-Ring, (For Dipstick) 

1

10 

01010 

Cylinder Screw (LP600/LP301A) 

4

10 

01010-0100  Cylinder Screw, 316 S.S. 

 

 

(LP600-4000/LP301A-4000) 

4

11 

01011-0400 

Spring Ring (LP600/LP301A) 

5

11 

01011-0100 

Spring Ring, 316 S.S.

 

 

(LP600-4000/LP301A-4000) 

5

12 

07109 

Plug, G1/2” (LP600/LP301A) 

1

12 

07109-0400  Plug, G1/2”, 316 S.S. 

 

 

(LP600-4000/LP301A-4000) 

1

13 

07182 

Gasket 

1

14 

07111 

Bearing Cover 

2

15 

07112 

Radial Shaft Seal 

2

16 

07113 

O-Ring for Bearing Cover 

2

17 

07114 

Hexagon Screw (LP600/LP301A) 

8

17 

07114-0100 

Hexagon Screw, 316 S.S

 

 

(LP600-4000/LP301A-4000) 

8

20 

07116 

Taper Roller Bearing 

2

20A 

07117 

Fitting Disc 

1-3

20B 

13001 

Fitting Disc 

1-3

21 

05376 

Shaft Protector 

1

21A 

05377 

Shaft Guard Holder 

1

22 

13242 

Crankshaft 

1

23 

13243 

Key 

1

24 

13340 

Connecting Rod Assy. 

3

24A 

13277 

Inner Hex Screw 

6

24B 

13278 

Spring Washer 

6

25 

13341 

Crosshead Assy. 

3

28 

13232 

Crosshead Pin 

3

29A 

07125 

Centering Sleeve 

3

29B 

07126 

Plunger Pipe (LP600/LP600-4000) 

3

29B 

07127 

Plunger Pipe 

 

 

(LP301A/LP301A-4000) 

3

29C  13031 

Tensioning Screw 

3

29D  07755 

Copper Ring (LP600/LP301A) 

3

29D  07161-0100  Crush Washer 
 

 

(LP600-4000/LP301A-4000) 

3

30 

07779 

Oil Scraper 

3

31 

07133 

Oil Seal 

3

35 

13235 

Seal Sleeve (LP600/LP600-4000) 

3

35 

13364 

Seal Sleeve 

 

 

(LP301A/LP301A-4000) 

3

36 

13237 

Leakage Seal 

 

 

(LP600/LP600-4000) 

3

36 

13238 

Leakage Seal 

 

 

(LP301A/LP301A-4000) 

3

37 

13239 

Seal Case (LP600/LP600-4000) 

3

37 

13240 

Seal Case (LP301A/LP301A-4000) 

3

Parts List

LP301A/LP301A-4000/LP600/LP600-4000 

*BSP to NPT Adapters/Seals (sold separately)
Inlet Port = 13377 (Adapter) / 13376 (Seal)
Discharge Port = 13373

+

 (Adapter) / 13372 (Seal)

+

 rated up to 3000 PSI. For higher pressure adapters, contact Giant.

5

Summary of Contents for LP301A

Page 1: ...uctions page 7 10 Pump Mounting Selection Guide page 10 Torque Specifications page 10 Trouble Shooting Preventative Maintenance Check List Recommended Spare Parts List page 11 Dimensions back page War...

Page 2: ...e pump dry approximately 10 seconds to drain the water before exposure to freezing temperatures 1 Prior to initial operation add oil to the crankcase so that oil level is between the two lines on the...

Page 3: ...ft Rotation Top of Pulley Towards Fluid End Weight 119 lbs 54 kg Crankshaft Diameter 35 mm Intermittent duty only LP301A PULLEY SELECTION AND HORSEPOWER REQUIREMENTS RPM GPM 2500 PSI 3000 PSI 3500 PSI...

Page 4: ...The stainless steel valve plugs 48 can seize when being screwed out of the cas ing To release tension beforehand strike the plugs 1 2 times with a steel hammer on the top before screwing them out Coa...

Page 5: ...l Filler Plug Assy 1 3 05940 Cover Plate 1 3A 07223 0100 Spring Ring 2 3B 05051 Hexagon Screw 2 4 06085 Crankcase Cover 1 5 07104 O ring Crankcase Cover 1 6 05943 Oil Sight Glass w Gasket 1 8 06086 Oi...

Page 6: ...37 Leakage Seal 3 38 07140 O Ring 3 38A 13241 Support Ring 3 39 13012 O Ring 3 39A 13036 Support Ring 3 40 07322 V Sleeve 3 40A 07268 0100 Pressure Ring 3 40C 05963 Sleeve 3 Plunger Packing Kits LP301...

Page 7: ...harge valve assemblies 46 by pulling them upwards out of the valve casing 43 with a snap ring tongs or any other pull off device Then remove inlet valves in the same way 4 Loosen valve seats 46A and v...

Page 8: ...sleeves 40 sleeve 40C in LP600 only and support ring 40B from the seal sleeve For LP301A and LP301A 4000 pumps remove the pressure spring 41 Examine seals carefully and replace if worn Clean surfaces...

Page 9: ...er side and tighten screw to 265 in lbs 30 NM 29B 29D 29C 13 Replace complete seal sleeve 35 seal case 37 assembly into crankcase 1 Make sure that the weep hole points down ward Note To replace the oi...

Page 10: ...g ring until the outer edge lines up with the outer edge of the bear ing hole Remove bearing cover 14 together with radial shaft seal 15 and o ring 16 Fit crankshaft 22 through bearing hole on the opp...

Page 11: ...n inlet of pump for restrictions Unloader Check for proper operation Water in crankcase High humidity Reduce oil change interval Worn seals Replace seals Noisy Operation Worn bearings Replace bearings...

Page 12: ...rts 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 modifications made by the customer or third party 6 Theope...

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