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10

Preventative Maintenance Check-List & Recommended Spare Parts List

Check

Daily

Weekly

50hrs

Every

       Every

        Every

500 hrs

      1500 hrs

       3000 hrs

Oil Level/Quality

X

Oil Leaks

X

Water Leaks

X

Belts, Pulley

X

Plumbing

X

Recommended Spare Parts

Oil Change

X

     X

Seal Spare Parts (1 kit/pump)

            X

(See page 5 for kit list)

Oil Seal Kit (1 kit/pump)

            X

(See page 5 for kit 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, Connecting Rod

250 in.-lbs.

29C

07131-0100

Plunger Bolt

26 ft.-lbs.

48

06077-0100

Plug, Valve

160 ft.-lbs.

49A

07158

Nut, Stud Bolt

60 ft.-lbs.

LP121A-5100  TORQUE SPECIFICATIONS

Pump Mounting Selection Guide

Bushings

06496

 - 35 mm H Bushing

Pulley & Sheaves

07165

 - 12.75” Cast Iron - 4 gr.

AB Section

Rails

07357

 - Plated Steel Channel Rails

(L=11.75”x W=1.88”x H=3.00”)

Summary of Contents for LP121A-5100

Page 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...

Page 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...

Page 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...

Page 4: ...4 Exploded View LP121A 5100...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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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