General-pump VF Repair Manual User Manual

VVFFRepair Manual

GENERAL PUMPA member of the Interpump GroupVF SERIESC) Separate the head and the liner manifold from the pump crankcase as shown in fig 15-16.D) Rem

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 11If the valve seats are blocked on the head due to the formation of limestone or oxide, they

F) Extract the delivery pads, #3, and the related guides, #4, and springs as shown in fig. 22-23;check for wear and replace components as necessary.2

GENERAL PUMPA member of the Interpump GroupVF SERIESB) Remove the seeger ring and the seal retainer ring as shown in fig. 28, and with an oppositepin

GENERAL PUMPA member of the Interpump GroupVF SERIESFor the correct axial positioning of the bushing, use the appropriate tool (p/n 27508300 validfor

GENERAL PUMPA member of the Interpump GroupVF SERIESThe H.P. seal must be inserted into the liner with the o-ring in the plunger working direction ass

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 16C) Insert the anti-extrusion ring, #2, and the gasket bushing, #3, arranged as shown infig.

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 17D) Reassemble the seals support unit as shown in Fig. 42 and fig. 43, replacing #1, #2 and

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 183. SCREW CALIBRATIONScrew calibration by means of a torque wrench only.Screw 44 and 57 of t

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 19

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 2INDEX1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 204. REPAIR TOOLSPump maintenance may be carried out using simple tools for assembling and di

GENERAL PUMPA member of the Interpump GroupVF SERIESRef 300683 Rev.A08-09Page 21MAINTENANCE LOGOIL CHANGEGREASEPACKINGREPLACEMENTPLUNGER REPLACEMENTV

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 31. INTRODUCTIONThis manual describes the instructions for Repairing VF Series pumps, and mus

Page 4GENERAL PUMPA member of the Interpump GroupVF SERIES2.1.1 Crank Mechanism DisassemblyThe correct sequence is the followingA) Drain oil and then

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 52.1.2 Crank Mechanism AssemblyAfter cleaning the crankcase, reassemble the crankcase mechani

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 6Before assembling the cover (sight glass side), be sure that the shim rings have been insert

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 7A) Assembly / Disassembly of the crankshaft without replacing the bearingsAfter removing the

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 8The shim pack must be reassembled as follows:A) Insert the crankshaft in the crankcase, bei

GENERAL PUMPA member of the Interpump GroupVF SERIESPage 92.2 Fluid End Repair2.2.1 Disassembly of the Head - Liners - ValvesThe pump head does not re