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May 1999

Eaton

®

Medium Duty Piston Pump

Repair Information

Model 74624 and 74644,

82,6 cm

3

/r [5.04 in

3

/r] Displacement

design code 

 B

Содержание 74624 Series

Страница 1: ...May 1999 Eaton Medium Duty Piston Pump Repair Information Model 74624 and 74644 82 6 cm3 r 5 04 in3 r Displacement design code B...

Страница 2: ...tor from the application Cleanliness is extremely important Clean the port areas thoroughly before disconnecting the hydraulic lines Plug the motor ports and cover the open hydraulic lines immediately...

Страница 3: ...ign Code Number A B C D Single Motor Product Number 7 4 6 2 4 D A H 0 1 Testers Initials Day of Month two digits Month two digits Serial Number Code B 93 01 31 JB Revision level of parts list Last two...

Страница 4: ...move the thrust bearing piston race assembly pivot and spacer from the output shaft 7 Retaining the piston block and backplate carefully turn the assemblies over so that the backplate is in the up pos...

Страница 5: ...ll parts and replace if needed New seals should be lubricated with petroleum jelly to assure proper installation Lubricate all finished part surfaces freely with clean hydraulic fluid to provide start...

Страница 6: ...19a 1 Pilot Refer to specific parts list 20 1 Thrust Bearing 21 1 Bearing Race 22 6 Cap Screws 5 16 18 25 4 mm 1 in Long Refer to specific parts list 22a 4 Cap Screws 5 16 18 38 1 mm 1 5 in Long Refer...

Страница 7: ...ront 15 Tooth 16 32 Spline Tapered 1 8 with 375 16 UNC 2B Thread 18 3 72 Min Full Thread Shaft Ext 46 1 81 Rear 15 Tooth 16 32 Spline with 375 16 UNC 2B Thread 18 3 72 Min Full Thread Shaft Length fro...

Страница 8: ...8 Model 74624 Parts Drawing 23 15 3 1 16 7 17 11 4 2 32 32 22 22 22 22 6 13 12 9 19 8 18 36 37 38 5 1 33 25 10 2 1 21 24 21 20 8 14 3 2 22 22 22 22 22 22 6...

Страница 9: ...X X X X X X X X X X X 1 1 X X X X X X X X X X X X X 2 1 X X X X X X X X X X X X X 3 1 X X X X X X X X X X X X X 4 1 X X X X X X X X X X X X X 5 1 X X X X X X X X X X X X 6 1 X X X X X X X X X X X X X...

Страница 10: ...10 Model 74644 Parts Drawing Through Shaft 23 15 3 1 16 7 17 11 4 2 32 32 22 35 35 1 22 22 22 6 13 12 9 26 28 27 28 26 30 29 31 19 8 18 36 37 38 5 1 34 10 2 1 8 14 3 33 25...

Страница 11: ...X X 3 1 X X X X X X X X X 4 1 X X X X X X X X X 5 1 X X X X X X 6 1 X X X X X X X X X 7 1 X X X X X X X X X 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 9 1 9 1 a 9 1 9 1 a 9 1 a 9 1 9 1 9 1 a 9 1 a 9 1 2...

Страница 12: ...ck finish on connector plate and back plate replace of necessary C Disassemble motor examine condition of shoes on pistons replace pistons as a complete set D Check relief valve for proper pressure se...

Страница 13: ...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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