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Service Manual for
Hydraulic Cylinder

RA 17 038-DT1SM/06.09

Replaces: 10.07

Model CDT1/CGT1

Electric Drives
and Controls

Hydraulics

Linear Motion and
Assembly Technologies

Pneumatics

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

 

Summary of Contents for Rexroth CDT1

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: ... 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 bearing o ring and backup ring items 19c d and the rod bearing...

Page 3: ...ated CDT1 Hyd Cyl Weights lbs Add Per Bore Size Zero Inch of inches Stroke Stroke 1 00 3 0 2 1 50 5 0 3 2 00 7 0 4 2 50 12 0 6 3 25 20 0 8 4 00 30 0 9 5 00 45 1 0 6 00 70 1 5 8 00 100 2 0 Tie Rod Nuts and Bolts Torque Bore Size Tie Rod Lubricated inches Threads pound ft 1 000 10 24 2 1 500 1 4 28 4 5 2 000 5 16 24 9 2 500 5 16 24 12 3 250 3 8 24 22 4 000 3 8 24 22 5 000 1 2 20 45 6 000 1 2 20 45 8...

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 cush ioning 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 cush ioning and make full stroke...

Page 6: ...781 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 Rod Beari...

Page 7: ...978006782 R978021095 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 and Item 16 Z11 Series af...

Page 8: ... data sheet are subject to normal wear and tear from usage Subject to change Spare Parts Bore Size Part No 1 000 R978007816 1 500 R978007817 2 000 R978007818 2 500 R978007819 3 250 R978007820 4 000 R978007821 5 000 R978007822 6 000 R978007823 8 000 R978007824 Tube Item 2 MX0 MS2 MT1 Bore Size MT2 MP1 MF1 MF5 MF2 MF6 MX1 MX2 MX3 1 000 R978008229 R978010028 R978010035 R978010042 R978010050 R97801005...

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