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Bosch Rexroth Corp.

Industrial Hydraulics

RA 17 041-DT4SM/06.09

Service Manual for CDT4-CGT4

Bosch Rexroth Corp.
Industrial Hydraulics
2315 City Line Road
Bethlehem, PA  18017-2131
USA
Telephone (610) 694-8300
Facsimile (610) 694-8467
www.boschrexroth-us.com

© 2004 Bosch Rexroth Corporation

All rights reserved. Neither this document nor any part of it may be reproduced, 
duplicated circulated or disseminated, whether by copy, electronic format or 
any other means, without the prior consent and authorization of Bosch Rexroth 
Cor po ra tion.

The data and illustrations in this brochure/data sheet are intended only to 
describe or depict the products. No representation or warranty, either express 
or implied, relating to merchantability or fi tness for intended use, is given or 
intended by virtue of the information contained in this brochure/data sheet. The 
information contained in this brochure/data sheet in no way relieves the user of it 
obligation to insure the proper use of the products for a specifi c use or applica-
tion. All products contained in this brochure/data sheet are subject to normal 
wear and tear from usage.

Subject to change.

Spare Parts

Tube (Item 2) ~

 

Bore Size 

Std. Part No. 

MT4 Part No.

 

1.500

 R978930575 

R978003871

 

2.000

 R978930576 

R978003872

 

2.500

 R978930577 

R978003873

 

3.250

 R978930578 

R978003874

 

4.000

 R978930579 

R978003875

 

5.000

 R978930580 

R978003876

 

6.000

 R978930581 

R978003877

 

7.000

 R978930582 

R978003878

 

8.000

 R978930583 

R978003879

   MX0, 

MP1,

  Bore  MS2, MS4 

ME6 

MF1, MF5  MF2, MF6 

MX1 

MX2 

MX3 

ME5 

ME7

 Size  MT1, MT2
  

MP5 

 1.500  R978002212  R978930584 R978005941 R978006900 R978930592 R978002213 R978002238 R978002212 R978006900

 2.000  R978002217  R978930585 R978005942 R978006901 R978930591 R978002219 R978002243 R978002217 R978006901

 2.500  R978009743  R978930586 R978005943 R978006902 R978018915 R978002220 R978002233 R978009743 R978006902

 3.250  R978004471  R978930587 R978005944 R978006903 R978002221 R978002229 R978002234 R978004471 R978014299

 4.000  R978002228  R978930588 R978005945 R978006904 R978002222 R978002231 R978002240 R978002228 R978014298

 5.000  R978002237  R978930589 R978005946 R978006905 R978002230 R978002239 R978002245 R978002237 R978006905

 6.000  R978002242  R978930590 R978005947 R978006906 R978002232 R978002244 R978006630 R978002242 R978014297

 7.000 

R978002250

 

R978013657

 

R978005948

 

R978002250

 

n/a

 

n/a

 

n/a

 

R978013657 n/a

 8.000  R978002255  R978013658 R978005949 R978002255 

n/a

 

n/a

 

n/a

 

R978013658 n/a

Tie Rods (Item9)*

*

  specify complete cylinder part number and stroke length when ordering.

Piston and Rod Assemblies (Items 3, 6, 10, 14, 19e, f, g, h)*

Consult Factory for Part Numbers and Pricing.    

214

Courtesy 

of 

CMA/Flodyne/Hydradyne 

 Motion 

Control 

 Hydraulic 

 Pneumatic 

 Electrical 

 Mechanical 

 (800) 

426-5480 

 www.cmafh.com

 

Summary of Contents for Rexroth CDT4

Page 1: ...umatics Service Table of contents Seal Replacement General 2 Old Rod Cartridge Kit Removal 2 New Rod Cartridge Kit Installation 2 Piston Seal Installation 2 Exploded View Drawing 3 Weights and Torque Values 3 End Cap Seal Installation 4 Testing 5 Spare Parts 6 8 Courtesy of CMA Flodyne Hydradyne Motion Control Hydraulic Pneumatic Electrical Mechanical 800 426 5480 www cmafh com ...

Page 2: ...d in place by socket head cap screws which must also be removed 2 Remove the retainer plate or flange item 5 from the head end Locate the screwdriver slot along the top of the rod bearing item 16 Using a flathead screwdriver carefully pry the rod cartridge loose from the head in a fashion similar to opening a can of paint The rod bearing assembly includes the wiper item 19a the rod seal item 19b the...

Page 3: ...5 0 5 10 0 7 16 1 2 31 1 8 41 2 5 73 4 0 138 5 2 180 6 2 310 8 7 Tie Rod Nuts and Bolts Torque Bore Size Tie Rod Lubricated inches Threads pound ft 1 500 3 8 24 29 2 000 1 2 20 52 2 500 1 2 20 63 3 250 5 8 18 125 4 000 5 8 18 150 5 000 7 8 14 380 6 000 1 14 480 7 000 1 1 8 12 700 8 000 1 1 4 12 1070 Socket Head Cap Screw ME5 mount and all 7 8 bore sizes Torque Rod SHCS Lubricated Size Size pound f...

Page 4: ...th the aid of a ring compressor this will allow the rod assembly to seat itself into the cylinder tube 4 After the piston and rod assembly is completely bottomed against the cap end lubricate the top of the piston rod wrench flats This will assist in installing the head end Make sure the cylinder head and piston rod are perpendicular to one another Place your hands on top of the head and push downw...

Page 5: ... supply pressure to the head port Rod should retract smoothly without binding Cylinder should retract have less cushioning and make full stroke Check leakage at the cap end no leakage permitted Check leakage around the rod bearing No leakage permitted 2 Apply supply pressure to the cap port Rod should extend smoothly without binding Cylinder should extend have less cushioning and make full stroke ...

Page 6: ...0 R978006781 R978006809 R978006823 R978006795 3 500 R978006782 R978006810 R978006824 R978006796 4 000 R978006783 R978006811 R978006825 R978006797 4 500 R978006784 R978006812 R978006826 R978006798 5 000 R978006785 R978006813 R978006827 R978006799 5 500 R978006786 R978006814 R978006828 R978006800 Piston and Tube Seal Kits Items 19e f g h Z10 Series prior to November 1 2006 Rod Cartridge Seal Kits w ...

Page 7: ...1095 R978021095 R978021104 4 000 R978006783 R978021096 R978021096 R978021105 4 500 R978006784 R978029159 R978029159 R978029155 5 000 R978006785 R978029160 R978029160 R978029156 5 500 R978006786 R978029161 R978029161 R978029157 Piston and Tube Seal Kits Items 19e f g h Z11 Series after to November 1 2006 Rod Cartridge Seal Kits w Rod Bearing Items 19a b c d Item 16 Z11 Series after to November 1 20...

Page 8: ...0577 R978003873 3 250 R978930578 R978003874 4 000 R978930579 R978003875 5 000 R978930580 R978003876 6 000 R978930581 R978003877 7 000 R978930582 R978003878 8 000 R978930583 R978003879 MX0 MP1 Bore MS2 MS4 ME6 MF1 MF5 MF2 MF6 MX1 MX2 MX3 ME5 ME7 Size MT1 MT2 MP5 1 500 R978002212 R978930584 R978005941 R978006900 R978930592 R978002213 R978002238 R978002212 R978006900 2 000 R978002217 R978930585 R9780...

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