Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
Page 4
Safety Instructions Caution The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.
Page 5
Smooth Cylinder Safety Product Precautions 1 Be sure to read this before handling the products. - 4 -...
Page 6
Smooth Cylinder Safety Product Precautions 2 Be sure to read this before handling the products. - 5 -...
Page 8
! C a u t i o n Install air filter Install air filters at the upstream side of valves. The filtration degree should be 5 m or less. Install an after cooler, air dryer, drain catch, etc. Air that includes excessive condensate may cause malfunction of valves and other pneumatic equipment.
Page 9
! C a u t i o n Operate the piston within a range such that collision damage will not occur at the end of the stroke. Operate within a range such that damage will not occur when the piston having inertial force stops by striking the cover at the stroke end.
Page 10
! C a u t i o n Preparation before piping Before piping is connected, it should be thoroughly blown out with air (flushing) or washed to remove cutting chips, cutting oil and other debris from inside the pipe. Wrapping of sealant tape ...
3. Maintenance ! C a u t i o n When replacing seals, apply new grease for seals and then assemble. If the product is operated without applying grease, seals will be significantly worn and lead to air leakage at an early time.
Page 12
3-2. Maintenance 3-2-1. CM2Y Series Cover and tube cannot be disassembled as they are joined by rolling crimping. Rod seals can be replaced having the cylinder installed. Replacement procedure is described below. (Refer to Fig. 1) [Disassembly] Disassemble retaining ring 1 by using a tool for installing a C type retaining ring, seal the port on rod cover by finger and pull out the piston rod.
Page 13
3-2-2. CQSY, CQ2Y Series When malfunction due to air leakage of a cylinder occur, please replace with the below seal kit. ! C a u t i o n For installation and removal, use an appropriate pair of pliers (tool for installing a C type retaining ring ).
Page 14
3-2-3. CA2Y Series Do not move cushion valves, as they are ineffective in adjusting. When malfunction due to air leakage of a cylinder occur, please replace with the below seal kit. How to disassemble Disassembly can be performed easily by loosening tie rods. As for assembly, fully check that dust is not on it and apply grease to the sliding parts of the tube, piston, piston rod, bushing and seal, etc.
Page 15
3) Do not disassembly trunnion type cylinder As for trunnion type cylinder, it is difficult to align the axis centers of trunnion and cylinder. Therefore, breakdown or reassembly may cause malfunction as it would not have dimension accuracy. 3-2-4. CG1Y Series When malfunction due to air leakage of a cylinder occur, please replace with the below seal kit.
3-3. Consumables 3-3-1. Replacement parts For replacement parts, refer to the maintenance page for each series. Seals are not in airtight package at the time of delivery. Use them within a year. For long-term storage, keep seals airtight (by putting them in a polyethylene bag and additionally in a box) and store them as follows.
5. Troubleshooting Failure Main cause Measures Operation is not 1. Insufficient lubrication - Drain and other lubricants may wash away grease applied smooth. to the inside of cylinder. - Disassemble and clean cylinder to remove oils and drain. Then, apply grease properly. 2.
Page 18
Failure Main cause Measures Speed controller 1. Inappropriate selection of - Use a speed controller appropriate to desired cylinder speed. cannot control speed controller cylinder speed. 2. Failure of speed controller - Replace speed controller. Cylinder 1. Slow-moving cylinder - See the descriptions of occasional stops of cylinder operation operation has a above.
6. Construction and material Series CM2Y Basic type Integrated clevis type Boss-cut type Construction of CM2Y Parts list Description Material Qty. Surface treatment Rod cover Aluminum alloy Anodized Head cover A Aluminum alloy Anodized Head cover B Aluminum alloy Anodized Head cover C Aluminum alloy Anodized...
Page 20
Series CQSY DC: Basic type DCM: Rod end male thread Construction of CQSY12 to 25 Parts list Description Material Qty. Surface treatment Cylinder tube Aluminum alloy Hard anodized Collar Aluminum alloy Anodized Piston Aluminum alloy Piston rod Stainless steel Retaining ring Carbon tool steel Phosphate coated Rod end nut...
Page 21
Series CQ2Y Ø50 to Ø100 cylinder tube Ø32 to Ø40 cylinder tube DCZ: Basic type DCMZ: Rod end male thread Construction of CQ2Y32 to 100 Parts list Description Material Qty. Surface treatment Cylinder tube Aluminum alloy Hard anodized Piston Aluminum alloy Piston rod Carbon steel Hard chrom e plated...
Page 22
Series CA2Y Construction of CA2Y40 to 100 Parts list Description Material Qty. Surface treatment Rod cover Aluminum alloy Chromated Head cover Aluminum alloy Chromated Cylinder tube Aluminum alloy Hard anodized Piston rod Carbon steel Hard chrome plated Piston Aluminum alloy Chromated Bushing Bearing alloy...
Page 23
Series CG1 Construction of CG1Y20 to 100 Parts list Description Material Qty. Surface treatment Rod cover Aluminum alloy Anodized Head cover Aluminum alloy Anodized Cylinder tube Aluminum alloy Hard anodized Piston Aluminum alloy Piston rod Carbon steel Hard chrom e plated Bushing Sintered metal Bumper A...
Page 24
Replacement part Series Bore size Part number Contents CQSY12-PS Piston seal: 1 pc. Rod seal: 1 pc. CQSY16-PS CQSY Tube gasket: 1 pc. CQSY20-PS Grease (10g): 1 bag CQSY25-PS CA2Y32-PS CA2Y40-PS Piston seal: 1 pc. CA2Y50-PS Rod seal: 1 pc. CQ2Y CA2Y63-PS Tube gasket: 1 pc.
Need help?
Do you have a question about the CM2Y-Z Series and is the answer not in the manual?
Questions and answers