NORMTON NMS Standards ompliant Power lamp ylinder ø5, ø6 Weight reduced by up to 8% luminum body with greatly reduced weight Suitable for robot material handling ore size KZ2N a New KZN-X2742 Reduction rate 5 5. kg a.2 kg 7% reduction 6 7.2 kg a 4.4 kg 8% reduction * rm opening angle: 5, rm position: R Simple switch adjustment greatly reduces work hours Switch can be adjusted easily when changing the arm opening angle. KZ2N New KZN-X2742 Switch on the unclamping side Switch dog djust by replacing the switch dog hange switch position with one touch igh clamping force 4 N (ø6, rm length: mm,.5 MPa) Metal switch cassette cover (Option) Protects switch cassette from unexpected impact model with a manually operated handle is available. or manual workpiece setting processes Manually operated handle (Unclamping position) KZN -X2742 (ase Type) (With Manually Operated andle) 6-675
NMS Standards ompliant Power lamp ylinder KZN -X2742 ø5, ø6 ow to Order Metal switch cassette cover Nil (None) (With cover) With metal switch cassette cover ront mounting hole Nil (No) (Yes) ront mounting hole ase type KZN 6 2 R T X2742 With manually operated handle KZN 6 2 R T X2568 L With manually operated handle lamp arm ore size 5 ø5 equivalent 6 ø6 equivalent ylinder port Nil NPT T TP Rc rm opening angle Symbol rm opening angle X2742 X2568 5 5 45 45 6 6 75 75 9 9 5 5 2 2 5 5 KZ 6 lamp arm position R L Right Left oth sides 2 * Proximity switch mounting surface viewed from the front. Proximity switch T TURK P P& W None Top cover Nil M Rubber cover (quivalent to UL94 Standard V: lame resistant) Metal cover With front mounting hole With metal switch cassette cover Manually operated handle mounting position L (Left side mounting) R (Right side mounting) Switch cassette Switch cassette * Switch cassette viewed from the front. ore size 5 ø5 equivalent 6 ø6 equivalent lamp arm code (Refer to pages 6 to 9.) Mounted arm
NMS Standards ompliant Power lamp ylinder KZN -X2742 ylinder Specifications ore size 5 6 ction luid Proof pressure Max. operating pressure Min. operating pressure mbient and fluid temperatures ushion Operating time ouble acting ir.2 MPa.8 MPa. MPa to 6 (No freezing) lamping side: None Unclamping side: Rubber bumper lamping: sec. or more, Unclamping: sec. or more Max. allowable clamping moment* 8 N m 5 N m * Refers to the maximum holding force (torque) while clamped with the operating air exhausted This is not the possible holding force (torque) for normal use. Weight (ylinder Without lamp rm) ore size 5 6 rm opening angle rm position 5 45 6 75 9 5 2 5 R/L.....2.2.2.2.2.4.......2.2 R/L 4.6 4.6 4.5 4.5 4.5 4.4 4.4 4.4 4.4 4.7 4.7 4.6 4.6 4.6 4.5 4.5 4.5 4.5 [kg] dditional weight of the manually operated handle.7.7 ylinder Stroke ore size rm opening angle 5 45 6 75 9 5 2 5 5.7.9 9.7 47.2 54.8 62.7 7.4 77.2 82. 6 24.2 4.2 42.6 5.6 58.7 66.9 74.8 8.6 86.4 Proximity Switch Specifications Manufacturer TURK P& Power supply voltage to V to V Output N.O., PNP N.O., PNP ontinuous load current 5 m m Response frequency z 25 z ousing material PT P6, PT Output indication lamping side: Red Unclamping side: Yellow lamping side: Red Unclamping side: Yellow Voltage indication reen reen onnector M2 connector M2 connector * Switch specifications correspond to the manufacturers technical information. Wiring iagram (PNP onnection ircuit) lack S Load (Unclamping side) lue ( ) 4 2 White S2 Load (lamping side) rown (+) * pplicable to both TURK and P&. * Please contact SM for NPN specifications. 2
KZN -X2742 Replacement Parts Top cover kit Switch kit Stopper bolt kit Switch kit no. Top cover kit no. KZN S 5 T X2742 Rubber cover KZ2N T 5 ore size 5 ø5 equivalent 6 ø6 equivalent Proximity switch T TURK P P& W None Metal switch cassette cover X2742 None X274 With cover Metal cover KZN T 5 ore size 5 ø5 equivalent 6 ø6 equivalent M * The switch kit includes a switch cassette assembly, metal switch cassette cover, and mounting brackets. Stopper bolt kit no. KZN 5 ore size 5 ø5 equivalent 6 ø6 equivalent * The top cover kit includes a top cover and mounting brackets. * Refer to page 4 for procedures for changing the stopper bolt and switch positions and for top cover replacement instructions. ore size 5 ø5 equivalent 6 ø6 equivalent * The stopper bolt kit includes a stopper bolt and mounting brackets. rm opening angle J 5 45 6 75 9 5 2 5
RW NMS Standards ompliant Power lamp ylinder KZN -X2742 imensions: ase Type Rubber cover type R (Left arm) R (ual arm) RR R R (Right arm) X X Release point Pivot point with square flats Nh9 P±.2 P±.5 P±.5 P±.2 L±. L L 2 x 2 x NPT /4 Rc 2 x 2 x øp 7 depth 2 x 2 x MM depth J exagon socket head plug R ore size J L L L Rubber cover Metal cover MM N P 5 92 48 2.7 95 66 2 76.6 55.5 78.4 78.4 M8 x.25 8 6 54 5 6.6 99 7.5 2 9.6 6 78 78.4 M x.5 ore size P P P P R R R R R RR W X Without switch cover With switch cover X Y 5 45 45 5 4 46 88 2 2 46 48 78.4 4 6 92 2 6 55 45 55 52 4 25 25 52 54 78 46.5 48.5 4.5 8 With front mounting hole N±.5 N Metal cover type N±.5 Release point V±. Y V±. K +. 2 x øv 7 depth 4 x NN depth S V±.2 ore size K N N N NN S V V V V 5 2 55 6.5 9.5 M8 x.25 8 2 6.5 6 5 55 6.5 5 M8 x.25 8 2 6.5 Metal cover open 4
KZN -X2742 imensions: With Manually Operated andle ø Max. andle position: Left andle position: Right ore size 5 25 6.5 4 6 25 64.5 4 ore size rm opening angle 5 6 49 45 6 5 6 7 75 87 9 5 4 2 24 5 4 55 45 68 6 6 8 75 94 9 7 5 7 2 24 5
NMS Standards ompliant Power lamp ylinder KZN -X2742 lamp rm ode List imensions: lamp rm ore Size 5 ore size SM part no. lamp arm code NMS code Page KZ-5 2M KZ-52 2 22M KZ-5 2M KZ-54 4 26M p. 6 KZ-55 5 27M KZ-56 6 28M KZ-57 7 2M KZ-58 8 22M KZ-59 9 2M KZ-5 26M KZ-5 27M KZ-52 2 28M KZ-5 M p. 7 5 KZ-54 4 2M KZ-55 5 M KZ-56 6 6M KZ-57 7 7M KZ-58 8 8M KZ-5 26M KZ-52 2 27M p. 6 KZ-52 2 28M KZ-5 246M KZ-52 2 247M KZ-524 24 248M KZ-525 25 256M p. 7 KZ-526 26 257M KZ-527 27 258M KZ-6 M KZ-62 2 2M KZ-6 M KZ-64 4 4M KZ-65 5 5M KZ-66 6 6M KZ-67 7 7M KZ-68 8 8M KZ-69 9 9M KZ-6 M KZ-6 M KZ-62 2 2M KZ-6 M p. 8 KZ-64 4 4M KZ-65 5 5M KZ-66 6 6M KZ-67 7 7M KZ-68 8 8M KZ-6 M KZ-62 2 2M KZ-62 2 2M KZ-6 M KZ-62 2 2M 6 KZ-624 24 24M KZ-625 25 25M KZ-626 26 26M KZ-627 27 27M KZ-628 28 28M KZ-629 29 29M KZ-6 M KZ-6 M KZ-62 2 2M KZ-6 M KZ-64 4 4M KZ-65 5 5M KZ-66 6 6M KZ-67 7 7M p. 9 KZ-68 8 8M KZ-69 9 9M KZ-64 4 4M KZ-64 4 4M KZ-642 42 42M KZ-64 4 4M KZ-644 44 44M KZ-645 45 45M KZ-646 46 46M KZ-647 47 47M KZ-648 48 48M Straight: Plain 8 8 M6 x. M6 x. M6 x. 8 NMS code Weight [kg] KZ-5 2M 9..6 KZ-52 22M 2..7 KZ-5 2M 5..9 Straight: Machined ±.25 Straight: Machined ±.25 ±.25 ±.25 ø87 +.28 +. 6 2±. ø ø66 +.8 2±. ø9 5±. 5±. 2±. 2 5±. 5±. NMS Weight code [kg] KZ-54 26M 8. 65. 5. 9. 65..5 KZ-55 27M. 95. 8. 65. 5. 2. 95..6 KZ-56 28M 4. 25.. 95. 8. 65. 5. 5. 25..7 NMS Weight code [kg] KZ-5 26M 8. 65. 5. 9. 65..5 KZ-52 27M. 95. 8. 65. 5. 2. 95..6 KZ-52 28M 4. 25.. 95. 8. 65. 5. 5. 25..7 6
KZN -X2742 imensions: lamp rm ore Size 5 2 mm offset: Plain 2±. 45 mm offset: Plain 2±. M6 x. 8 R45 NMS code Weight [kg] KZ-57 2M 9..7 KZ-58 22M 2..8 KZ-59 2M 5.. 5±.5 8 M6 x. 45 NMS code Weight [kg] KZ-5 M 9. 55..8 KZ-54 2M 2. 85..9 KZ-55 M 5. 5.. 78±.5 25 mm offset: Machined ø87 +.28 +. 2±. 5 mm offset: Machined ø87 +.28 +. 2±. M6 x. ±.25 ±.25 ø 25±.5 ±.25 ±.25 J ø 25±.5 8 R45 5±.5 M6 x. 45 75±.5 8 NMS Weight code [kg] KZ-5 26M 8. 65. 5. 9. 56..5 KZ-5 27M. 95. 8. 65. 5. 2. 86..6 KZ-52 28M 4. 25.. 95. 8. 65. 5. 5. 6..7 NMS code J Weight [kg] KZ-56 6M 8. 65. 5. 9. 6. 56..6 KZ-57 7M. 95. 8. 65. 5. 2. 9. 86..7 KZ-58 8M 4. 25.. 95. 8. 65. 5. 5. 2. 6..8 25 mm offset: Machined ø66 +.8 2±. 5 mm offset: Machined ø66 +.8 2±. M6 x. ±.25 ±.25 ø9 25±.5 45 ±.25 ±.25 J ø9 25±.5 8 R45 NMS code Weight [kg] KZ-5 246M 8. 65. 5. 9. 56..5 KZ-52 247M. 95. 8. 65. 5. 2. 86..6 KZ-524 248M 4. 25.. 95. 8. 65. 5. 5. 6..7 7 5±.5 8 M6 x. NMS code J Weight [kg] KZ-525 256M 8. 65. 5. 9. 6. 56..6 KZ-526 257M. 95. 8. 65. 5. 2. 9. 86..7 KZ-527 258M 4. 25.. 95. 8. 65. 5. 5. 2. 6..8 75±.5
imensions: lamp rm ore Size 6 NMS Standards ompliant Power lamp ylinder KZN -X2742 Straight: Plain M8 x.25 ø8.5 R27 25±. 2 mm offset: Plain M8 x.25 25±. 2.5 R7 2 8 2.5 ø8.5 2 R5 R27 7 57±.5 R7 NMS code Weight [kg] KZ-6 M 5..2 KZ-62 2M 65..4 KZ-6 M 5..6 KZ-64 4M 5..8 KZ-65 5M 255. 2. KZ-66 6M 285. 2. NMS code Weight [kg] KZ-6 M 5..4 KZ-64 4M 65..6 KZ-65 5M 5..8 KZ-66 6M 5. 2. KZ-67 7M 255. 2.2 KZ-68 8M 285. 2.4 Straight: Machined J K L M N O +.28 ø87 +. ø 25 mm offset: Machined J K L M N O ø87 2.5 +.28 +. R7 M8 x.25 ø8.5 2 2.5 R28 ±.25 ±.25 ±.25 ±.25 ±.25 ±.25 P Q 2.5 5±. 8±. 25±. 4 M8 x.25 2.5 ø8.5 2 R5 R27 ±.25 ±.25 ±.25 ±.25 ±.25 ±.25 P Q ø ±.5 55±.5 25±. R7 NMS code KZ-67 7M 25.. 95. 8. 65. KZ-68 8M 55. 4. 25.. 95. 8. 65. KZ-69 9M 85. 7. 55. 4. 25.. 95. 8. 65. KZ-6 M 25. 2. 85. 7. 55. 4. 25.. 95. KZ-6 M 245. 2. 25. 2. 85. 7. 55. 4. 25. KZ-62 2M 275. 26. 245. 2. 25. 2. 85. 7. 55. NMS code J K L M N O P Q Weight [kg] KZ-67 7M 5. 85.. KZ-68 8M 65. 5..2 KZ-69 9M 5. 45..4 KZ-6 M 8. 65. 5. 75..5 KZ-6 M. 95. 8. 65. 255. 25..7 KZ-62 2M 4. 25.. 95. 8. 65. 285. 25..9 NMS code KZ-6 M 25.. 95. 8. 65. KZ-62 2M 55. 4. 25.. 95. 8. 65. KZ-62 2M 85. 7. 55. 4. 25.. 95. 8. 65. KZ-6 M 25. 2. 85. 7. 55. 4. 25.. 95. KZ-62 2M 245. 2. 25. 2. 85. 7. 55. 4. 25. KZ-624 24M 275. 26. 245. 2. 25. 2. 85. 7. 55. NMS code J K L M N O P Q Weight [kg] KZ-6 M 5. 85.. KZ-62 2M 65. 5..5 KZ-62 2M 5. 45..6 KZ-6 M 8. 65. 5. 75..7 KZ-62 2M. 95. 8. 65. 255. 25..9 KZ-624 24M 4. 25.. 95. 8. 65. 285. 25. 2. 8
KZN -X2742 imensions: lamp rm ore Size 6 65 mm offset: Plain 2.5 R7 M8 x.25 ø8.5 R28 45 R8 2±.5 25±. 7 5 mm offset: Plain M8 x.25 ø8.5.7 R28 R8 25±. 7 52±.5 2 NMS code Weight [kg] KZ-625 25M 5. 8..7 KZ-626 26M 65...9 KZ-627 27M 5. 4. 2. KZ-628 28M 5. 7. 2. KZ-629 29M 255. 2. 2.5 KZ-6 M 285. 2. 2.7 R7 2 2.5 NMS code Weight [kg] KZ-67 7M 5. 2. KZ-68 8M 65. 2. KZ-69 9M 5. 2.5 KZ-64 4M 5. 2.7 KZ-64 4M 255. 2.9 KZ-642 42M 285.. 7 mm offset: Machined 2 mm offset: Machined J K L M N O ø87 +.28 +. ø J K L M N O +.28 +. ø87 ø M8 x.25 45 ±.25 ±.25 ±.25 ±.25 ±.25 ±.25 P Q 2.5 R ±.5 25±. R8 ±.25 ±.25 ±.25 ±.25 ±.25 ±.25 P Q 2.5 ±.5 25±. 2.5 R7 2 ø8.5 R28 R8 ±.5 2.5 M8 x.25 ø8.5 2.8 R28 4.4 5±.5 NMS code J KZ-6 M 25.. 95. 8. 65. KZ-62 2M 55. 4. 25.. 95. 8. 65. KZ-6 M 85. 7. 55. 4. 25.. 95. 8. 65. KZ-64 4M 25. 2. 85. 7. 55. 4. 25.. 95. 8. KZ-65 5M 245. 2. 25. 2. 85. 7. 55. 4. 25.. KZ-66 6M 275. 26. 245. 2. 25. 2. 85. 7. 55. 4. NMS code K L M N O P Q R Weight [kg] KZ-6 M 5. 85. 84..4 KZ-62 2M 65. 5. 4..6 KZ-6 M 5. 45. 44..8 KZ-64 4M 65. 5. 75. 74..9 KZ-65 5M 95. 8. 65. 255. 25. 24. 2. KZ-66 6M 25.. 95. 8. 65. 285. 25. 24. 2. 9 R7 2 NMS code J KZ-64 4M 25.. 95. 8. 65. KZ-644 44M 55. 4. 25.. 95. 8. 65. KZ-645 45M 85. 7. 55. 4. 25.. 95. 8. 65. KZ-646 46M 25. 2. 85. 7. 55. 4. 25.. 95. 8. KZ-647 47M 245. 2. 25. 2. 85. 7. 55. 4. 25.. KZ-648 48M 275. 26. 245. 2. 25. 2. 85. 7. 55. 4. NMS code K L M N O P Q Weight [kg] KZ-64 4M 5. 85..8 KZ-644 44M 65. 5. 2. KZ-645 45M 5. 45. 2. KZ-646 46M 65. 5. 75. 2. KZ-647 47M 95. 8. 65. 255. 25. 2.5 KZ-648 48M 25.. 95. 8. 65. 285. 25. 2.6
KZN -X2742 Selection Relation between arm length and clamping force rm length lamp arm ulcrum Shim lamping block Load cell ore size: 5 ore size: 6 Maximum clamping force [N] 8 6.8 MPa 4.5 MPa 2. MPa 5 5 2 25 rm length llowable arm length Maximum clamping force [N] 2 8 6 4 2 alculation example. MPa.8 MPa.5 MPa 5 5 2 25 rm length ore size: 6, rm length: 2 mm, Operating pressure:.5 MPa With an arm length of 2 mm and an operating pressure of.5 MPa, according to the graph, the maximum clamping force is 2 N. llowable arm length rm length lamp arm ulcrum Shim lamping block Load cell ore size llowable arm length 5 6 ore size: 5 ore size: 6 llowable load mass [kg] llowable load mass The allowable load mass changes depending on the arm opening angle. e sure to use the product within the allowable values shown in the graphs below. * The load indicates the total weight of the clamp arm and clamping block. * When the operating time is second alculation procedure for allowable load mass. alculate the distance L from the fulcrum to the load center of gravity. 2. heck the arm opening angle of the product.. Read the allowable load mass from the graph. 4 2 5 5 98 9 9 8 5, 45, 6 7 6 2 5 9 4 75 2 rm opening angle: 5 5 5 2 25 llowable load mass [kg] rm opening angle θ ulcrum L Load center of gravity lamp arm Shim lamping block 7 6 2 75 5 45, 6 4 2 rm opening angle: 5 5 5 2 25 5 istance to the center of gravity istance to the center of gravity alculation example ore size: 6, rm opening angle: 9, istance to the center of gravity L: 25 mm With an arm opening angle of 9 and a 25 mm distance to the center of gravity, according to the graph, the maximum allowable load mass is 4. kg.
KZN -X2742 Setup Procedure Precautions ) The tightening torque of the clamp arm is 2 to 5 N m for ø5 and 5 to 2 N m for ø6. Refer to pages 6 to 9 for details on the clamp arm. 2) This product is designed to be used after being externally adjusted using a shim, and there is a mechanical difference of to +.5 at the clamping end as shown in igure. ) e sure to use a speed controller, and make adjustments according to the following conditions. Unclamping to clamping: second or more lamping to unclamping: second or more f excessive kinetic energy is applied, there is a possibility of damage. 4) When using a side guide: ttach the side guide so that lateral loads, such as galling, etc., are not applied to the clamp arm. igure lamp arm Side guide +.5 Power clamp cylinder mounting and setup procedure <x. When using clamping force only: When equipped with a workpiece receptacle> lamp arm ylinder Shim rm side block Unclamping port Workpiece receptacle side block lamping port Shim Procedure Operate to the nstall a block Make block contact Set the workpiece Supply air xhaust air end of the clamp on the arm side adjustments (arm side) heck that the clamp arm is locked Shim adjustment Shim adjustment ) Place the workpiece, supply air to the clamping port without attaching the block on the arm side, and operate the clamp arm to the end of the clamp. ) n the state of ), attach the workpiece and the arm side block, and adjust the shim so that there is a space of about mm. uring this step, theoretically, there is no clamping force pressing down on the workpiece. ) n order to generate a clamping force from the state described in step ), insert an additional shim. The thickness of the shim changes depending on the arm length and the operating pressure. Refer to page. Please note that the graph should only be used as a guide as there is a tolerance of about % in the clamp cylinder body. ) xhaust the air while in the clamped state, and confirm that the clamp arm does not open.
Setup Procedure KZN -X2742 Power clamp cylinder mounting and setup procedure <x. 2 When using a hard stop: When not equipped with a workpiece receptacle> lamp arm istance to hard stop ylinder Shim q Upper hard stop Shim w Unclamping port lamping port rm side block ard stop Procedure Set the hard stop Supply air Operate to the end of the clamp nstall the upper hard stop Make upper hard stop contact adjustments Set the workpiece Make block contact adjustments (arm side) xhaust air heck that the clamp arm is locked Shim adjustment Shim adjustment Shim adjustment ) Supply air to the clamping port without installing the upper hard stop, and operate the clamp arm to the end of the clamp. ) n the state of ), attach the upper hard stop and adjust shim q so that there is a space of about mm between the upper hard stop and the hard stop. uring this step, theoretically, there is no clamping force applied to the hard stop. ) n order to generate a clamping force from the state described in step ), insert an additional shim. The thickness of the shim changes depending on the distance to the hard stop and the operating pressure. Refer to page, and consider the distance to the hard stop as the arm length. Please note that the graph should only be used as a guide as there is a tolerance of about % in the clamp cylinder body. ) n the state of ), adjust shim w so that the arm side block contacts the workpiece. ) xhaust the air while in the clamped state, and confirm that the clamp arm does not open. 2
KZN -X2742 Relation between shim thickness and clamping force * Use this figure as a guide as there is a tolerance of about % in the clamp cylinder body. * When a shim exceeding the peak clamping force position on the graph is inserted, the lock will not be activated when clamped. nsert a shim of the appropriate thickness. * The arm length indicates the distance between the clamp arm shaft and the clamping position. or distance between the knock positioning pinhole and the clamp arm shaft, refer to Table. rm length Shim lamping position Table ore size 5 5 6 ore size: 5 lamping force [N] 25 2 5 5 Peak clamping force position. MPa rm length: 5 mm.5 MPa Operating pressure.7 MPa.5.5 2 2.5.5 4 4.5 5 5.5 6 6.5 7 Shim thickness ore size: 6 rm length: 2 mm lamping force [N] 25 2 5 5 Peak clamping force position. MPa.5 MPa Operating pressure.7 MPa.5.5 2 2.5.5 4 4.5 5 5.5 6 6.5 7 Shim thickness
Setup Procedure KZN -X2742 To change the arm opening angle aution e sure to confirm safety, and perform the work while the air is exhausted. zprocedure for changing the stopper bolt position ) Remove the stopper bolt of the head cover, and replace with a stopper bolt for the desired angle using the tightening torque below. When tightening the stopper bolt, hold the head cover. Refer to Replacement Parts (page ) for the part numbers of the applicable stopper bolts. ead cover Stopper olt Tightening Torque ore size Tightening torque [N m] 5 45 to 65 6 85 to 5 Seal washer Unclamping angle display Stopper bolt 5 x Procedure for changing the switch position ) Loosen the switch cassette mounting bolt, and remove the switch cassette. 2) Remove the switch on the unclamping side, and attach it in the position of the desired angle. Store the lead wire in the storage space. ) Mount the switch cassette to the body, and tighten the switch cassette mounting bolt to the tightening torque shown below. Refer to Replacement Parts (page ) for the part numbers of the switch cassette replacement parts. Unclamping angle display Switch cassette ase plate Lead wire storage space Switch assette Mounting olt Tightening Torque ore size Tightening torque [N m] 5 2.6 to.5 6 2.6 to.5 Switch cassette mounting bolt Switch on the unclamping side Top cover replacement aution e sure to confirm safety, and perform the work while the air is exhausted. ) Mount the top cover to the clamp cylinder, then tighten it to the specified tightening torque below. 2) t is possible to change from a rubber cover type to a metal cover type. Refer to Replacement Parts (page ) for the part numbers of the top cover replacement parts. olt Spacer Washer olt Top cover Metal cover The opposite side The bolt for opening/closing This bolt can be mounted to the opposite side. Rubber cover type Metal cover type Top over Mounting olt Tightening Torque ore size Tightening torque [N m] 5.5 to 2. 6.5 to 2. 4
KZN -X2742 Specific Product Precautions e sure to read this before handling the products. or safety instructions and actuator precautions, refer to the andling Precautions for SM Products and the Operation Manual on the SM website: http://www.smcworld.com aution. Manual lock release e sure to confirm safety before manually releasing the lock, and only perform work while the air is exhausted. Otherwise, the clamp arm may operate unexpectedly. n the case of a rubber cover, the lock can be released easily by hitting the round tab on the cover with a plastic hammer. n the case of a metal cover, the lock can be released easily by opening the cover and hitting the tab of the knuckle joint with a plastic hammer. Round tab of rubber cover Tab of the knuckle joint aution 2. o not disassemble the power clamp cylinder. The power clamp cylinder consists of a completely sealed structure in order to protect it from welding spatter. o not disassemble, except for when replacing any of the replaceable parts, as this may cause the performance to deteriorate.. lamp arm The clamp arm may interfere with the cylinder body depending on the mounting method. e sure to check for interference. 4. Proximity switch output The switch output signal is output near the clamping end and the unclamping end respectively. The switch output signal on the clamping side does not output the status where the power clamp cylinder is locked by the toggle mechanism. Rubber cover type Metal cover type Provide enough space to perform a manual lock release. Space Tab of the knuckle joint Space (Y) Rubber cover type Metal cover type ore size Y 5 2 6 8 Safety nstructions e sure to read the andling Precautions for SM Products (M--) and Operation Manual before use.