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8

12. Lubricate weep seal (36). Place, weep seal (36), and pressure ring (36A)

into the seal sleeve (35). Assemble the o-ring (35A and 35B for LP255

only) onto seal sleeve and lubricate.

14. Press seal sleeve assembly into

the  manifold  and  seat  firmly.

Put  the    support  ring  (41)  on

plunger with v-side facing the

manifold.

15. Place  entire  manifold/seal

sleeve assembly over the studs

and  push  firmly  until  seated

against the crankcase.

18. Replace plug with o-ring (48, &

48A) and tighten to 160 ft.-lbs.

13. For  LP255  pumps,  insert  sup-

port ring (37) into valve casing

(43). Place support ring (41) and

v-sleeves  (40)  into  valve

casing.

17. Next,  place  valve  assemblies

(46A)  into  manifold  after  first

lubricating the o-ring (44A). Seat

firmly into manifold.

16. Tighten  hex  nuts  (49A)  in  a

crosswise  pattern  (shown

above) to 60 ft.-lbs.

19. Fill  crankcase  with  approxi-

mately 116 fluid ounces of Gi-

ant  oil  or  equivalent  SAE  90

industrial gear oil and check oil

level of the crankcase with the

dipstick. Proper level is center

of two lines. Reinstall your Gi-

ant LP pump into your system.

Contact Giant Industries or your local distributor for maintenance

of the gear end of your pump. Phone: 419/531-4600

Contact Giant Industries for service school information. Phone: (419) 531-4600

36A

36

35

35A

35B (LP255 only)

39

6

4

2

7

8

1

3 5

LP122A Series/LP123/LP255 - Repair Instructions

Содержание LP121A-5100

Страница 1: ...llation Instructions page 2 Pump Specifications page 3 Exploded View page 4 Parts List Kits page 5 Repair Instructions pages 6 8 Trouble Shooting page 9 Recommended Spare Parts List Pump Mounting Sele...

Страница 2: ...el is between the two lines on the oil dipstick DO NOT OVERFILL Use Giant Recommended Oil Crankcase oil should be changed after the first 50 hours of operation then at regular intervals of 500 hours o...

Страница 3: ...lect GPM required then select appropriate motor and pump pulley from the same line 2 The desired pressure is achieved by selecting the correctnozzlesizethatcorrespondswiththepump GPM HORSEPOWER INFORM...

Страница 4: ...4 Exploded View LP121A 5100...

Страница 5: ...Shaft Seal 3 35 07135 0100 Seal Sleeve 3 36 13291 Grooved Ring 3 37 07139 0100 Seal Case 3 38 07140 O Ring 3 39 07142 0100 Pressure Ring 3 40 07144 Sleeve 6 41 07146 0100 Support Ring 3 42 07147 Tensi...

Страница 6: ...sleeves 40 36 support ring 41 and o rings 35A and 35B in Lp255A only from the manifold and seal sleeve respectively For LP255 only remove support ring 37 Examine seals carefully and replace if worn C...

Страница 7: ...10 For LP122A LP122A 4000 pumps generouslylubricatethe inside of the oil seals 31A 33 and o ring 32A Next placethesealretainer complete 31 over the steel plunger base seat firmly into the crankcase R...

Страница 8: ...41 and v sleeves 40 into valve casing 17 Next place valve assemblies 46A into manifold after first lubricatingtheo ring 44A Seat firmly into manifold 16 Tighten hex nuts 49A in a crosswise pattern sh...

Страница 9: ...de of oil Improper amount of oil in crankcase REMEDY Replace packing seals Replace spring Tighten or Replace belt Replace nozzle Clean valve assembly Clean strainer Repair Replace hose Clean Reset and...

Страница 10: ...it lit Valve Spare Parts 1 kit pump X See page 5 for kit list Position Item Description Torque Amount 10 08093 Screw Cover 125 in lbs 17 08095 Hex Screw Bearing Cover 125 in lbs 24A 13277 Hex Screw Co...

Страница 11: ...11 LP121A 5100 DIMENSIONS INCHES mm...

Страница 12: ...es or modifications made by the customer or third party 6 The operation of pumps and or accessories exceeding the specifications set forth in the Operations Manuals provided by Giant Industries Inc Li...

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