Eaton 74318 Repair Information Download | Manualshive

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Model 74318 and 74348 Piston Motors

Fixed Displacement, Valve Plate Design

Eaton

®

Medium Duty Piston Pump

Repair Information

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Summary of Contents for 74318

Page 1: ...Model 74318 and 74348 Piston Motors Fixed Displacement Valve Plate Design Eaton Medium Duty Piston Pump Repair Information...

Page 2: ...29 30 Include Housing Assy 9 Camplate Insert 11 Rotating Kit Assy 12 Valve Plate 22 O ring 23 28A 28B 24 Date Code and Assembly Number Location Parts Drawing Copyright 1991 Eaton Corporation Thru Shaf...

Page 3: ...Camplate Insert 1 12 Rotating Kit Assembly Includes item 13 thru 21 1 13 Piston Assemby 9 14 Spider 1 15 Spider Pivot 1 16 Pin Keeper 1 17 Piston Block 1 18 Pins 3 19 Washer 2 20 Spring 1 21 Retaining...

Page 4: ...ea 3 8 in N C nut Place one of the flat washers over the 3 8 in x 3 1 4 in cap screw and place this through the center of the piston block Place the other washer over the cap screw and let it rest on...

Page 5: ...compress the spring and retain with retaining ring 21 Remove the nut cap screw and the two washers 8 Install the pivot 15 spider 14 and the piston assemblies 13 on the piston block 17 Install rotatin...

Page 6: ...ace of valve plate if scored replace valve plate B Scored or worn piston shoes B Disassemble motor examine condition of shoes on pistons replace rotating kit assembly as a complete set Do Not Lap pist...

Page 7: ...7...

Page 8: ...Engineering change code Last number of year built 00 00 00 Data Code 74318 DAV Assembly Number Week of year 0 thru 52 Testers initials Example ot numbers on flange Identifies type of product 74 Fixed...

Page 9: ...rie MN 55344 USA Tel 952 937 9800 Fax 952 294 7722 www eaton com hydraulics Eaton Fluid Power Group Hydraulics Business Europe Route de la Longeraie 7 1110 Morges Switzerland Tel 41 0 21 811 4600 Fax...

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