取扱説明書 使用说明书 Owner`s Manual
Contents
1. 22. 217 219 2 220 20 16 1 2 4 5 6 7 8 9 BRAK 1 N OQ O O A A WO N MN
3. 20 25mm 4 ON OPE OFF ON H OFF ON ON 5 OFF OE OFF OFF H OFF OFF ON 12
4. 14 ON 1 KRL7 KRL15 KRM7 KRM12 10 1 ON Japanese 2 10 2 ON 10 1 KRL7 KRL15 KRM7 KRM12 10 2 A
5. 10 8 Japanese 8 1 80 600mm KRM7 KRM12 80 300mm 80 600mm
6. 11 2 10 x 10 x 200 10 x 200 1 G F FE j K ON 1 11 2 OFF
7. KR L7 KRL15 KRM7 KRM12 KRL 7 KRL15 KRM7 KRM12 10 4 10 5 ON 10 4 KRL7 KRL15 KRM7 KRM12 10 5 A OFF KRL7 KRL15 KRM7 KRM12 AER OFF
8. OFF ON
9. 1 1 Ne OQ sy ES KRL7 KRL15 KRM7 KRM12 1
10. 25mm ON 5 NO 10 THIF OFF
11. 25mm OFF ON 10
12. 12 6 6 1 erate NA NO ie ae SN ON KRL7 KRL15 KRM7 KRM12 6 1 7 QD P3 113
13. 1 5 50 C
14. 11 2 10 x 10 x 200 10 200 1 G FREES K ON F E WSO UO BD E 11 2 ORE OFF 25mm 25mm ON 3 OFRE OFF
15. N enh gt 50100mm
16. KITO 1t 1t 1 2 3 4 5 6 7 8 9 1 Mh i E Mt oe a a Rh e
17. SS400 t6 x 600 x 250 17 11 2 2 KRL100 t35 x 600 x 600 t5 3 x 600 x 600 KRM7 t25 x 300 x 400 t0 3 x 300 x 400 KRM12 t35 x 450 x 450 t0 3 x 450 x 450 KRM25 t35 x 600 x 600 t0 8 x 600 x 600 KRM45 t35 x 600 x 600 t x 600 x 600 SE 3 8 4 8 5 3 fil 3 8mm 3mm 0 8mm 1 A B C D E F G H I
18. 1 3 1 Q235 A 0Cr18Ni9 ee eee Nene 11 2 2 ON OFF Q235 A t6 x 600 x 250 11 2 10 3 x 450 x 450 KRL30 t1 x 600 x 600 KRL50 12 3 x 600 x 600 KRL80 t35 x 600 x 600 t4 x 600 x 600 KRM7 t25 x 300 x 400 t0 3 x 300 x 400 KRM12 t35 x 450 x 450 t0 3 x 450 x 450 KRM25 t35 x 600 x 600 t0 8 x 600 x 600 KRM45 t35 x 600 x 600 t2 x 600 x 600 GE
19. 11 1 11 2 1 1 2 3 0 2mm 2
20. 2 aa 22 KITO Head Office amp Factory 409 3853 2000 TEL 055 275 7521 FAX 055 275 6162 Tokyo Head Office 163 0809 2 4 1 NS 9 TEL 03 5908 0155 FAX 03 5908 0159 Tokyo 163 0809 2 4 1 NS 9 Sapporo 003 0022 8 1 8 Sendai 983 0045 2 10 36 Kita Kanto 327 0821 1337 2 S107 Yokohama 222 0033 1 21 7 Niigata 950 0912 1 1 13 Nagoya 465 0013 1 1004 Shizuoka 436 0029 1 6 15
21. 8 8 1 ERF 80 600 KRM7 KRM12 80 300mm 80 600mm GE KRM12 300 KRM12 102 8 1 A D 60 170 6 1 67
22. Omi 50 100mm 10 3 A i NAN NN 10 3 ON ON
23. N 1 5 gt 50 C
24. 7 4 7 4 100 96 20 m 40m 75 E 7 5 7 5 96 mm KRL7 KRM7 KRL7 KRM7 Japanese F KRM7 KRM12 EC H80
25. 25mm 25mm ON 3 OFF 20 ORE
26. Japanese
27. 8 2 fe DHEA 1 25 8 3 8 4 kg kg ner kg kg 120mm 160mm 200mm 250mm 300m 400mm KRM7 KRM7 50 0 390 Ku7 KR IE KR KR 200 20 KRLIS KRAS 300 3 KRM25 KRM75 420 500 KRL30 KRM95 530 620 _ KRM75 8 4
28. 2 10 2 ON ON 10 1 KRL7 KRL15 KRM7 KRM12 10 2 ABIR N
29. ABR 21 13 1 1 2 3 1 2 3 4 5 6 7 8 4
30. 8 3 8 4 kg kg 8 2 eke Re a a E 100 x 105 x 1 x 105 x 1 x 11 121 3kg ES kg kg 5 so as os wm KRM45 270 300 300 300 260 210 8 4 G KRM12 80 300mm 300mm KRM12 102 7 6 a aa 100kg onm OFF onsen mm 2 5 1 y 8 3 121 3kg
31. S8400 50mm VV 3 Japanese 2 Model SERIAL Ne EE 3 3 1
32. A H A 0Cr18Ni9 7 1 7 1 0235 A IE 100 icr12 IE 60 Cr12Mov A 70 or400 15 Sy 85 45 Cy 145 Si 80 0 20 40 60 8 100 0Cr18Ni9 OFF 7 1 KITO B 25mm 7 2 110 7 2 100 90 80 70 60 50 TES 40 30 20 5 10 15 20 25 30 mm C
33. KRM7 100 160mm KRM12 12 0 180mm KRM25 KRM45 130 250mm KRM95 KRM75 210 400mm 100 7 6 KRM12 b300mm KRM12 102mm KRM7 7 6 KRM12 KRM25 KRM45 KRM75 KRM95 0 50 100 150 200 250 300 350 400 450 500 550 600 mm G NE NA a ne H
34. 25m ON 4 ON OFF ON OFF ON ON 5 OFF OFF OFF OFF OFF OFF 12 BRAK 0OFF 11 3
35. Japanese A Ai SF fz BE FR DD il A O
36. SUS304 7 1 7 1 96 77 50 SC42 SKD11 SKD11 FCD600 FCD400 100 z z 100 0 20 40 60 80 100 SUS304 OFF B 25mm 7 2 7 2 96 110 mm C 7 3 7 3 9 100 VV 100 D
37. 11 11 1 11 1 11 2 OnE
38. GE KRL80 KRIOS o a 6 KRL100 1000 10 7 6 8 2 100kg 2 OHE OSS DY mm soem 25 MO PD 100x 1 05 x 1 x 1 05 x 1 18 x 1 1 148 1kg 143 1kg 8 3 KRL15 12 9
39. KRL7 KRL15 KRM7 KRM12 6 1 7 Japanese P3 1 3 A A
40. Q235 A 50mm 6 3 A FH 3 2 5 Model SERIAL No CC 3 3 1 3 2 3 1 3 2 3 3 3 1 3 2 3 1 Rv mm a kg kg A2 B1 B2 B3 B5 C3 D2
41. 1 A 1 AN _ KRL7 KRL15 KRM7 KRM12 1
42. 3 2 3 1 3 2 3 3 3 1 3 2 3 1 m a mm vw 7 EE CECCO O E E ie Meer ein eee ate ere reso so 14 isa 257 i70 fino o oo 35 12 5 127 5 05 22 5 180 20 60 100 Kso so 21 tea 3 220 ao 15 n mo 16 ws ns 32 5 215 20 60 100 WO so 35 a sor 205 175 oo so 20 is us a 270 2 75 100 xo 1000 s 263 ast 5 300 190 tor rio oo 158 us a 30 2 75 100 3 2 EHR TT mm kg ike Al A2 B1 B2 B3 B4 B5 B6 Cl C2 C3 D1 D2 D3 E KRM7 70 50 120 5 102 155 154 94 48 5 60 35112 5 96 5 75 21 5 123 5 25 28 100 KRM12 120 100 160 7 102 185 179 119 61 60 35 12 5 102 85 17 182 20 28 90 KRM25 250 200 200 15 154 257 179 119 61 60 35 12 5 147 5 115 32 5 180 20 60 180 KRM45 450 300 9200 25 184 307 220 149 75 71 40 16 167 5 135 32 5 215 20 60 180 KRM75 750 500 300 40 242 391 265 175 88 90 50 20 178 135 43 270 22 75 180 KRM95
43. KRL15 BR 9
44. 7 3 7 3 100 100 D 7 4 67 4 199 20hm E 7 5 7 5 KRL7 KRM7 KRL7 KRM7 428 mm F EN RO eee EM Mea 300mm tE 5A080 0600mm
45. 3 4 5 6 SFAR EP AAY AARE NA BARNAT 8 te ee A 22 KITO _ KITORU KITO KITO HOISTS amp CRANES SHANGHAI CO LTD 200235 1800 11J 86 21 54488935 6 86 21 54488937
46. FA 5 12 ri gt 6 ON 6 1 AN NN
47. 10 3 WoO NNN NN _ 10 3 ON ON
48. Do 11 1 gees ee ee 1 OFF ERAT 2 OFF 4 5 x 50 19
49. GD OFF 11 3 21 13 KITO 1 2 3 1 2
50. 8 2 3 BREA 11 1 1 Orel OFF 2 OPE OFF 4 5 50 ORR
51. 11 1 KITO 11 2 1 1 2 DRE 3 0 2mm 2 25mm QAR ER
52. GE KRM12 300mm KRM12 102mm 8 1 D D 8 2 8 3 8 4 8 1 S45C SC42 SUS430 FCD250 1 25 1 05 1 33 mm B C 40um 1 18
53. 11 11 1 11 1 11 2 16 ORE R AK RB BIG EO SBAORUIGMIZ DUBLE KSORMAHBLTW Japanese
54. K ON L ON MOFF N OFF F L M OFF J 4 K ON G D Japanese 2 11 3 11 3 a 1 Wom 2 3 MA zxhk RA lx sis amnesi Espo ia gate eid 10m x 00 10 x 200 242 2
55. 1C Hokuriku 920 0022 1 1 1 2 1F D Osaka 570 0003 2 10 3 Chugoku 700 0975 5 13 36 amp Shikoku Fukuoka 812 0008 2 13 22 Customer Center of Japan Tokyo 163 0809 2 4 1 NS 9 TEL 0120 994 404 FAX gt 0120 994 504 Nagoya 465 0013 1 1004 TEL gt 0120 929 965 FAX gt 0120 929 966 Osaka F570 0003 2 10 3 TEL 0120 959 488 lt FAX gt 0120 959 499 Service Network Yokohama 1 21 7 E E TEL 045 474 3953 FAX 045 474 3982 Osaka 2 10 3 a TEL 06 6907 0610 FAX 06 6907 0614 Customer Service Center 9 00 17 00 TEL 0120 988 558 FAX 0120 9
56. 25m ON OFF i 1 3 i 1 SS400 SUS304 ON 11 2 o 2 ON OFF
57. A D 8 2 8 3 8 4 8 1 Cr12MoV QT400 15 45 1 18 1 25 DRE mm B C 20hm 40hm D 1 11 1 18 8 2 Be ra em E
58. Maximum Dimension mm Model working load kg Weight Flat Round kg A1 A2 B1 B2 B3 B4 B5 B6 C1 C2 C3 D1 D2 D3 E steel steel KRM7 70 eons 5 102 155 154 94 48 5 60 35 12 5 96 5 75 21 5 123 5 25 28 100 KRM12 120 fe 7 102 185 179 119 61 60 35 12 5 102 85 17 182 20 28 90 KRM25 250 soot 15 154 257 179 119 61 60 35 12 5 147 5 115 32 5 180 20 60 180 KRM45 450 200 25 184 307 220 149 75 71 40 16 167 5 135 32 5 215 20 60 180 KRM75 750 40 242 391 265 175 88 90 50 20 178 135 43 270 22 75 180 KRM95 950 ane 50 263 431 5 309 199 101 110 60 25 178 135 43 300 22 75 180 The applicable diameter for round steel loads is 80 to 300mm for KRM7 and KRM12 and 80 to 600mm for other models The maximum working loads shown in Table 3 2 are values for diameters enclosed with of round steel loads for the respective models Maximum working load for round steel is determined by its diameter For details refer to Figure 7 6 on page 10 Attracting force according to the round steel diameter eee COC CCC NS RRR RRR SEEKER SRR ERK RA Figure 3 1 Outline drawing of KRL7 and KRM7 Figure 3 2 Outline drawing of KRL15 and KRM12 XX ee SW x SS eco AS OO LOLLY 6 oo vas Oo 2 2 UMMM gt Co 2 oo SS Co rere 4
59. ON 1 KRL7 KRL15 KRM7 KRM12 10 1 ON
60. Use a round steel bar of 4 5 x length approx 50 to remove the switch lever fixing pin and detach the switch lever Operational Considerations In this situation the switch lever spring may fly out take care not to lose it 19 lt 2 gt Mounting Assemble the switch lever spring into the spot facing of the hole opening side of the switch lever With the switch lever spring on the shaft side assemble the switch lever into the concave groove of the shaft end Align the hole of the switch lever with the hole of the shaft end and strike the switch lever fixing pin be sure to use a new pin Operational Considerations For hole alignment hitch the square 010 x 10 x length approx 200 or round 10 x length approx 200 steel bar on the latch shaft perform the alignment while pressing the switch lever and then strike the switch lever fixing pin In such a case pay attention to the fly out of the switch lever spring Mount the switch cover Refer to 1 Switch cover lt 2 gt Mount G Switch lever spring F Switch lever fixing pin E Switch lever ma j K ON stopper Round or square steel bar Latch shaft Press Figure 11 2 Striking the switch lever fixing pin lt 3 gt Inspection When the switch lever is moved back and forth at its OFF position it shall return to the main body side by the switch lever
61. 100kg Calculate the attracting force required for lifting the load according to the lifting weight and its conditions and then multiply it by the shake coefficient of the load for the operating conditions 1 Material 2 ri e 3 Surface 4 Anti rust Standard finishing treatment andard mm Load shake 25 coefficient 12 5 Load conditions Operational conditions Coating Compensation 1 05 1 1 05 1 18 Operation without 1 1 coefficient vibrations Actual calculation example 100 x 1 05 x 1x 1 05 x 1 18 x 1 1 143 1kg Selection of suitable model From Table 8 3 select a model with at least the maximum working load capacity of the calculation value 143 1kg or more The suitable model shall be KRL15 or higher A CAUTION The suitable lifting magnet shall be selected such that the maximum working load capacity is not less than the calculation value taking into consideration the load shape load conditions thickness surface finishing anti rust treatment gap and operating conditions such as load balance and shake 12 9 Precautions for Safety Operations Before using the lifting magnet read and understand adequately the following precautions and comply with them Do not enter or cross the space under the load being lifted Ad CAUTION Do not put your hand or foot under the load Do not move the load close to or over people Do not use the lifting magnet to lift or support people The weight
62. 35x600x600 t2 x600x600 Note For nonmagnetic material plate thicknesses that are not commercially available 3 8 4 8 Model Test piece size mm 5 3 create the specified plate thicknesses by combining different thicknesses and use them to confirm the attracting force Example Plate thickness 3 8mm gt plate thickness 3mm plate thickness 0 8mm 11 2 Parts replacement Never perform disassembly reassembly except for the purpose of parts replacement 1 Replacement parts The parts that can be replaced by the customer are as follows A Nameplates labels B Switch cover C Switch cover mounting screw D Switch lever grip E Switch lever F Switch lever fixing pin reuse prohibited G Switch lever spring H Latch finger holder Latch shaft J Latch spring K ON stopper L ON stopper fixing bolt M OFF stopper N OFF stopper fixing bolt F Sw50 M OFF stopper Latch shaft G Switch lever spring J Latch spri Latch spring D Switch lever grip E Switch lever N OFF side stopper fixing bolt A Nameplates labels Latch box C Switch cover mounting screw L ON stopper fixing bolt B Switch cover Shaft Figure 11 1 Replacement parts 18 2 Preparation 1 Disassembly reassembly tools Prior to replacement operations prepare the tools shown in Table 11 3 Table 11 3 Tools to be prepared Tool name Purpose mounting screw pin 5 Allen wr
63. lt gt ee x as XXXXXX bo ec 0000000 S05 AA lt gt 05 3 lt 3 Outline drawing of other models Figure 3 4 Operating Conditions 1 Operating temperature Always use the lifting magnet within the temperature range of 20 C to 50 C for both the load and the surrounding environment AX DANGER If the temperature of the load is 50 C or above the attracting force of the lifting magnet decreases resulting in dropping of the load Therefore absolutely avoid such high temperature usage 2 Humidity 85 RH or lower no new condensation 3 Sealability The lifting magnet is not of waterproof structure Therefore it cannot be used outdoors as water intrusion may occur The lifting magnet is not of waterproof structure Water intrusion may cause product A CAUTION failure making it unavailable for use 4 Liftable objects Steel plates shaped steel and round steel and their processed goods Non magnetic materials metallic materials that are not held by magnets such as aluminum stainless steel brass cannot be held 5 Features 1 Can simply hold and release the load through switch lever operations 2 The permanent magnet model avoids risks arising from electrical power failure 3 The lifting magnet adopts a proprietary magnetic structure to enable reliable holding of the load 4 Offers a rich product portfolio of 12 types
64. 15 CKRL7 KRL15 KRM7 KRM12 KRL7 KRL15 KRM7 KRM12 10 4 10 5 10 4 KRL7 KRL15 KRM7 KRM12 10 5 AER OFF KRL7 KRL15 KRM7 KRM12 AER 0FF
65. 3 8 4 8 3 8mm 3mm 0 8mm 11 2 1 A B C D E F G FARES H lian J K ON L ON M OFF N OFF F M OFF 1 G FARES D E N OFF A C B FARMER 2 1 11 3 11 3 3 M8 FRE 0 4 6 PMOS KEHAS _ aera 10 x 200 10 x 200 242
66. selection can be made according to the shape and weight of the liftable load 6 Names of Each Part Figure 6 1 shows the name of each part of the lifting magnet Top plate Eyebolt Top plate Eyebolt p Hexagonal bolt Latch finger holder a eS e ON stopper ee Switch cover URE NN Latch Latch S Switch lever OFF stopper a Switch cover pp Latch finger Attracting Attracting holder surface surface Models KRL7 KRL15 KRM7 KRM12 Other models Figure 6 1 Name of Each Part Switch lever A Hexagonal bolt 7 Load Conditions and Attracting Force Before using the lifting magnet you need to fully understand terminology such as Maximum lifting capability Maximum working load and Attracting force 1 Maximum lifting capacity The attracting force when both the load conditions and the lifting conditions are best met is called maximum lifting capability For the conditions refer to page 3 2 Maximum working load As a rough guide for using the lifting magnet 1 3 of the maximum lifting capacity is called maximum working load 3 Load conditions and attracting force The attracting force varies significantly depending on load conditions such as shape material thickness lifting surface roughness presence absence of coating and plating gap between the lifting surface and the lifting magnet attracting surface size and surface state Refer to the followin
67. 950 700 300 50 263 431 5 309 199 101 110 60 25 178 135 43 300 22 75 180 KRM7 KRM12 80 300mm 80 600mm et ee i di 10 7 6 ch Cy a d Zs _ 3 1 KRL7 KRM7 CS BOK 9 lt gt x S252 SS 5 x gt SS So 555 x 2 gt 2 AZ gt XX SS 2 20 6 gt RR pc Re KS x KX KR S N 3 3 5 Japanese 4 O 20C gt 50C 50 GE 859 RH
68. Post Code 200235 Add Room 11J Zao Fong Universe Building No 1800 ZhongShan West Road Shanghai China TEL 86 21 54488935 6 FAX 86 21 54488937 ER KITO HOISTS amp CRANES SHANGHAI CO LTD Tianjin Branch 300042 188 2209 86 22 23037586 7 8 86 22 23037589 Post Code 300042 Add Room 2209 Centre Plaza No 188 Jiefang Road Heping District Tianjin China TEL 86 22 2303 7586 7 8 FAX 86 22 2303 7589 KITO HOISTS amp CRANES SHANGHAI CO LTD Dalian Branch 116600 128 801 86 411 8761 7019 7619 86 411 8761 7419 Post Code 116600 Add Room 801 Yoma IFC No 128 Jinma Road Dalian Development Area Dalian China TEL 86 411 8761 7019 7619 FAX 86 411 8761 7419 KITO HOISTS amp CRANES SHANGHAI CO LTD Guangzhou Branch 510620 183 1309 86 20 87581991 3 86 20 87581390 Post Code 510620 Add Room 1309 Metro Plaza No 183 Tianhe Bei Road Guangzhou China T
69. a cloth or vinyl sheet Table 11 1 Inspection reference table Never use a lifting magnet that had been judged Abnormal according to the inspection results Parts that can be replaced by the customer are described in the next section 11 2 Parts replacement z Monthly Inspection 1 Visual Inspection 1 Every Part of the Main Visual There shall be no scratches cracks burrs rust or deformation that could Body Inspection adversely affect the operation 2 Nameplates and labels Visual The appropriate nameplates and labels shall be present at the specified 1 Nameplate Inspection positions 2 Name label No nameplate or label shall have peeled off 3 Latch operation The contents of the nameplates and labels shall be legible Danger warning items 4 Switch lever Operation label 5 Safety Precautions 3 Attracting surface Visual No waste or similar substances shall be adhered Clean to remove any Inspection contamination detected No protrusions shall exist Remove any protrusions by means such as filing The flatness of the attracting surface shall be below 0 2mm 2 Status confirmation 1 Switch lever Operation With the lifting magnet placed on a sheet of thickness 25mm or more ON OFF operations shall be smooth The switch lever grip shall not be loose 2 Switch cover Touch No rattling shall be detected when it is moved back and forth or up and down operation 3 Latch Operatio
70. a dee Zs _ 3 1 KRL7 KRM7 Co ee co x S S252 SS co lt Xx 2 Ko coco gt gt zz ZS ene R52 SS gt 6 We K x K ke QS ZN RSI KOO BRR N 3 3 5 4 O 20 C 50 C 50 C 85 RH N 5
71. load Also adhesion of waste materials or other objects may cause a gap and significantly reduce the attracting force Always ensure that the lifting surface of the load and the attracting surface of the lifting magnet are clean H Lifting direction When using the lifting magnet be sure to hold the load horizontally at its center of PGT gravity and lift it vertically Lifting at a position shifted from the center of gravity or lifting diagonally causes the load to move significantly during the movement of dynamic lifting off Also the load is prone to detach from the lifting magnet 10 8 Selection of Suitable Model Select the suitable model based on considerations of required attracting force calculated from load conditions and operating conditions such as load shake balance 8 1 Selection steps If the load is round steel a flat steel round steel dual purpose type shall be used and the compatible load diameter shall be 80 to 600mm 1 Selection of the lifting magnet To lift flat steel use either a flat steel type or a flat steel round steel dual purpose type To lift round steel use a flat steel round steel dual purpose type The acceptable diameter of round steel load is 80 to 300mm for KRM7 and KRM12 and 80 to 600mm for other models When lifting round steel pay attention to its length and weight limits for the load Note For example for a round steel load of diameter 300mm by KRM12 y
72. or the load surface Using the lifting magnet at a position deviated from the center of gravity of the load will generate excessive force at the lifting magnet and may result in dropping of the load 14 5 Switch lever ON 5 1 KRL7 KRL15 KRM7 KRM12 Refer to Figure 10 1 Rotate the switch lever to the ON side The switch lever hits the latch Further rotation of the switch lever pushes the latch out of its path the latch backs to its original position after the switch lever passes through it and the switch lever gets locked in this position 5 2 Other models Refer to Figure 10 2 Rotate the switch lever till it hits the latch while pulling the switch lever toward you Press down the latch and put the switch lever under the ON stopper The latch backs upward and locks the switch lever in place SA ON ON Latch finger holder Switch lever Switch lever Latch finger holder Figure 10 1 KRL7 KRL15 KRM7 KRM12 Figure 10 2 Other models A DANGER ff The lifting magnet cannot attain adequate attracting force if the switch lever is not rotated to a position where latch locking is possible Never attempt to use the lifting magnet while the switch lever is at an in between position A CAUTION If any abnormal noises are heard or if the operation feels bad while you are operating the switch lever stop using the lifting magnet and check the holding status with the load and the attracting surface of the lifting
73. spring force When the lifting magnet is placed on a steel sheet of thickness 25mm or more the switch lever shall be smoothly operable When the lifting magnet is placed on a steel sheet of thickness 25mm or more and the switch lever is rotated to the ON position the locking operation by latch shaft shall be smooth 3 Latch lt 1 gt Disassembly Set the switch lever to OFF Loosen the latch finger holder and detach it from the latch shaft Remove the latch shaft and the latch spring by pulling upward lt 2 gt Reassembly Apply general purpose grease to latch spring and latch shaft Operational Considerations General purpose grease shall not enter the tap hole of the latch shaft Insert the latch spring and then the latch shaft into the hole on the top surface of the latch box Align the tap hole of the latch shaft with the long hole on the latch box side surface Tighten the latch finger holder to the tap hole of the latch shaft 20 lt 3 gt Inspection The latch shaft shall move smoothly The latch shaft shall return naturally by the latch spring force When the switch lever is ON on a steel sheet of thickness 25mm or more the locking operation by the latch shall be smooth 4 ON stopper lt 1 gt Detaching Set the switch lever to OFF Detach the ON stopper fixing bolt lt 2 gt Mounting Set the switch lever to OFF Pass the ON stopper fixing bolt through the ON stopper and tighte
74. 300mm 80 600m KRM7 100 lt 160mm KRM12 120 180mm KRM25 KRM45 130 lt 250mm KRM95 KRM75 210 lt 400mm 100 BRICK 7 6 KRM12 300mmn KRM12 102mm KRM7 7 6 MA KRM25 KRM45 KRM75 KRM95 0 50 100 150 200 250 300 350 400 450 500 550 600 mm G H
75. 88 228 E mail callcenter kito co jp Japanese KITO lt KITO KRL KRM AN fake N AR AY AIS 9 A O
76. CE KITO EKHE KITO Lifting Magnet Owner s Manual To Customer Operators are requested to read this manual After reading please keep this manual at hand for future use ER A GE KITO KRL KRM
77. D3 KRL7 94 48 5 125 86 5 65 KRIS 150 7 102 SE a es ea 182 RC30 309 4 54 257 1791T191 61 60 35 25 1273 955 tars dieo 20 90 100 KRL50 500 21 184 307 220 149 75 71 40 16 147 5 115 325 215 20 60 180 KRL8O 800 35 242 391 265 175 88 90 50 20 158 115 43 270 22 75 180 3 2 mm Vo as kg ee A1 A2 B1 B2 B3 B4 B5 B6 C1 C2 C3 D1 D2 D3 E as kg KRM7 70 50 120 5 102 155 154 94 48 5 60 35 12 5 96 5 75 21 5 123 5 25 28 100 KRM12 120 ered 7 102 185 179 119 61 60 35 12 5 102 85 17 182 20 28 90 KRM25 250 Pe 15 154 257 179 119 61 60 35 12 5 147 5 115 32 5 180 20 60 180 KRM45 450 Ea 25 184 307 220 149 75 71 40 16 167 5 135 32 5 215 20 60 180 KRM75 750 0 40 242 391 265 175 88 90 50 20 178 135 43 270 22 75 180 KRM95 950 eae 50 263 431 5 309 199 101 110 60 25 178 135 43 300 22 75 180 KRM7 01KRM124080 0300mm HHbMtsAO80 H600mm 3 2 10 7 6 ch Cy
78. EL 86 20 87581991 3 FAX 86 20 87581390 163 0809 2 4 1 NS Bldg OF 409 3853 2000 www kito co jp aff Lifting Magnet Owner s Manual To Customer Operators are requested to read this manual After reading please keep this manual at hand for future use cE Intended Use This KRL KRM series lifting magnet lifts steel products through the attracting force generated by its permanent magnet Safety Precautions Improper use of lifting magnet causes danger such as dropping of the load Read this Owner s Manual carefully before operation and maintenance Use the lifting magnet after understanding t
79. agency near you and affix them at the positions shown in Figure 1 before resuming the operation Safety precautions back Latch operation Safety precautions back Latch operation Attracting force caution Attracting force caution 5 i Danger instruction Danger instruction Maximum working load indication Switch lever Switch lever operation label operation label load indication Models KRL7 KRL15 KRM7 KRM12 Other models Figure 1 Indications on the main body General Matters on Handling N DANGER This lifting magnet is not to be operated by anyone who is not familiar with the contents of the Owner s Manual warning labels or nameplates Never try to lift a load that exceeds the maximum working load Do not use the lifting magnet if its main body is damaged if abnormal noises arise during switch lever operation or if any abnormality is detected during the operation Never use the lifting magent if any abnormality is found in the eyebolt or the top plate mounting bolt Do not operate the switch lever by any means other than hand Never disassemble or modify the product or its accessories Applicable Laws Related directives and standards DIRECTIVE2006 42 EC EN13155 As the lifting magnet may be considered equivalent to wire ropes hooks and other sling tools perform inspection according to standards for sling tools In addition always com
80. agnetic force ee The active magnetic strength 2 Opening the Package Check for any discrepancies with your order specifications Check for any abnormality in the appearance contents and other items Before using the lifting magnet peel the oil paper off the attracting surface and wipe off the grease Fill in the following fields by looking at the nameplate Model SERIAL No Purchase Date Sales Shop Name Please also provide this information when arranging the service parts 3 Product Models and Specifications The lifting magnet series consists of flat steel type and flat steel round steel dual purpose type Table 3 1 shows the specifications of the flat steel type and Table 3 2 of the flat steel round steel dual purpose type Also the outline drawing of the lifting magnet series is provided in Figures 3 1 3 2 3 3 In addition the dimension and the weight shown in Tables 3 1 and 3 2 are rough value Table 3 1 Flat steel dedicated type Maximum Weight Dimension mm IOIalelwlmlmlelmlmlelelslswlglslsl ar n llewlmlwlwlelelsleslewslelasles ms wm 7lwlwlwlwlwlelslelwlelylwlslelw Prion a lslwlwlelslwlelwleslwslslwslm lelelm Legl mw lalwlw fom vol sn ws re eof ae lelelm Prion eo lslslmlellwlslwlslmlmwlslalzlslm Pravin vow lmleslmlwlwlelwlslmlwlslmlzlslm Table 3 2 Flat steel round steel dual purpose type
81. e finishing Dattracting force 100 100 D Anti rust treatment and attracting force The attracting force depends on the coating and the plating processing of the lifting surface of the load Figure 7 4 shows attracting force according to coating and plating Figure 7 4 Attracting force according to coating and plating None 100 Plating 20 um D attracting force Coating 40 um 75 80 85 90 95 100 The attracting force of the lifting magnet decreases in the presence of coating and A CAUTION plating Pay adequate attention to this point when holding a coated or plated surface E Gap and attracting force The attracting force decreases significantly in the presence of a gap between the lifting surface of the load and the attracting surface of the lifting magnet Figure 7 5 shows a reduction of the actual attracting force according to the size of the gap between the flat steel lifting surface and the lifting magnet attracting surface During actual operations ensure that no gap exists between the lifting surface of the load and the attracting surface of the lifting magnet Figure 7 5 Attracting force according to the gap 120 Co KRL7 KRM7 Other models a oO oO Effective attractina force N oO Gap mm F Round steel attracting force When lifting round s
82. ebolts or the top plate stop using Ad CAUTION the lifting magnet 2 Clean the attracting surface of the lifting magnet and the lifitng surface of the load If any foreign object is present between the attracting surface of the lifting magnet and the A PISS load to create a gap the attracting force will decrease resulting in dropping of the load 3 Confirm that the switch lever of the lifting magnet is in the OFF position If the lifting magnet approaches the load in the ON state the load may be held suddenly this can result in injury due to a body part being caught or damage to the lifting magnet due to impact from the load 4 Place the lifting magnet quietly at the horizontal center of gravity of the load If the lifting surface of the load is smaller than the attracting surface of the lifting magnet place the load at the center of the attracting surface of the lifting magnet and hold the load while keeping the four magnetic poles protruding portions evenly contacted Also orient the round steel load in the longitudinal direction direction parallel with the switch lever of the attracting surface of the lifting magnet A If the load is deviated to one side of the lifting magnet excessive force gets applied to the DANGER lifting magnet resulting in dropping of the load If the lifting magnet is placed on the load surface carelessly harmful scratches may be A CAUTION generated on the attracting surface of the lifting magnet
83. els during a warranty period the product will be repaired free from charge 2 Warranty Period The warranty period shall be one year from the delivery date of the product 3 Cases Not Covered by Warranty In the following cases the product is not covered by the warranty even during the warranty period and may be charged for repair 1 When the product is used in an environment beyond the product specifications When it is exposed to an external factor such as soot and smoke chemicals and salt damage or in a special environment 2 When the product is not given maintenance and inspection specified in the Owner s Manual etc and maintenance after use The warranty does not cover secondary damage such as suspended production due to the trouble of the product When such a situation is predicted prepare an alternative machine etc 4 Request for Repair When you want to have the product repaired check its serial number and contact our dealer with the Owner s Manual at hand 5 Application of Warranty The Warranty is effective only in the region country where the product was purchased The product is intended for use in the region or country where it was purchased It is not usable elsewhere because its specifications and Owner s Manual do not comply with the standards etc of other region or country 22 KITO Global web site Kito com
84. ench for M8 For mounting detaching stopper fixing bolts Hammer For mounting detaching switch lever fixing pin 5 Round steel bar 4 5 x length approx 50 For detaching switch lever fixing pin Square steel bar 010 x 10 x length For aligning with switch lever fixing pin hole approx 200 Or round steel bar 10 x length approx 200 7 Screw locking adhesive For locking screws and bolts Loctite 242 or equivalent 8 General purpose grease For lubricating latch spring and latch shaft 2 Other For replacement of the switch cover or the switch lever a new Switch Lever Operations label will be required 3 Parts replacement Perform parts replacement operations with reference to Figure 11 1 Be sure to perform inspection and operation check after parts replacement Apply the screw locking adhesive when tightening mounting screw fixing bolts and latch finger holder 1 Switch cover lt 1 gt Detaching Set the switch lever to OFF Peel off the Switch Lever Operations label Detach the switch cover mounting screw lt 2 gt Mounting Align the hole of the switch cover with the tap hole of the shaft end and fix with switch cover mounting screw Affix a new Switch Lever Operations label 2 Switch lever lt 1 gt Detaching Set the switch lever to OFF Peel off the Switch Lever Operations label Loosen the switch cover mounting screw and detach the switch cover
85. g items A to H Some residual magnetism may remain temporarily in the held load even after it is released making it difficult to detach the lightweight load A Load material composition and attracting force The attracting force depends on the material composition of the load Stainless steel materials JIS SUS304 equivalent are not held Figure 7 1 shows attracting force according to load material Reference IS material Figure 7 1 Attracting force according to load material EN S235JR E Attracting force A CAUTION amp The lifting magnet cannot lift the stainless JIS SUS304 equivalent load Heat treated materials tend to retain residual magnetism and sometimes make it difficult to release OFF the load B Thickness and attracting force If the load thicknessis less than 25mm there is a big drop in attracting force which prevents generation of adequate attracting force Figure 7 2 shows attracting force according to sheet thickness Figure 7 2 Attracting force according to sheet thickness Effective attracting force O oO 0 5 10 15 20 25 30 Sheet thickness mm C Surface finishing and attracting force The attracting force depends on the surface finishing of the load Figure 7 3 shows attracting force according to surface finishing Surface finishing Figure 7 3 Attracting force according to surfac
86. he product knowledge safety information and precautions This Owner s Manual classifies the precautions into two categories of DANGER and CAUTIONS Cases where it is considered that wrong handling may result in a dangerous situation that AA DANGER ee could lead to death or serious injury A CAUTION Cases where it is considered wrong handling may result in a dangerous situation that could lead to moderate or minor injury or property damage only In addition even within the matters described in PR f the possibility of serious consequences exists depending on the situation Both these precautions describe important matters be sure to heed them Pictorial Display Examples The A symbol indicates contents for warning and or attention Following the pictorial display specific precautions are described The e symbol indicates contents for prohibited behaviors The symbol indicates contents for mandatory or instructed behavior indicates general compliance matters After reading please keep this Owner s Manual at hand for future use by the user Indications on the Main Body of the Lifting Magnet Nameplates with warning labels and notes for the main body of the lifting magnet are affixed at the positions shown on Figure 1 Please check them before using the lifting magnet If by any chance the warning label or the nameplate is missing or illegible stop the operation procure new labels or nameplates from a KITO
87. magnet If the load is thin the switch lever feels heavy and the operation becomes difficult Switch lever operation with unstable foothold may result in injury Operate the switch lever only by hand Operation other than by hand may cause trouble A While a load is being held if the switch lever has not been locked with the latch the switch DANGER ee ever will move for reasons such as impact during transport resulting in dropping of the load 6 Confirmation at dynamic lifting off After confirming holding lift the load above the ground by 50 to 100mm asa preliminary check Knock the end of the lifting load to exert impact and confirm that the load is being held reliably Figure 10 3 50 100mm When an impact is applied to confirm holding the load may DANGER drop down Therefore do not put your hands or feet under the tO load or ride on the load Figure 10 3 CAUTION During dynamic lifting off take care not to get your hand trapped in touch eyebolts of the lifting magnet crane hooks or other parts The repulsive force of the magnet may cause the switch lever to return rapidly Therefore do not detach the load while the switch lever is in the ON state and do not turn on the switch lever while no load is present 7 Always raise the load slowly and perform transportation at the lowest practicable height above the ground DANGER a put any part of your body under the load The load may drop and cause se
88. n Switch lock release operation shall take place smoothly Latch shaft shall return to the lock position by spring force 4 Eyebolt Measurement Wear amount inside eye part shall be 1 3 or less at the purchase 5 Hexagon bolt Touch No looseness shall exist If looseness is detected perform tightening operation Annual Inspection Add the following items to monthly inspection 1 Attracting force Measurement Place the stainless material JIS SUS304 equivalent or brass nonmagnetic confirmation material plate on the test piece IS262 Indian Standard selected for attracting force confirmation place the lifting magnet on it and turn ON the switch lever to enable holding Test piece and nonmagnetic material plate sizes for attracting force confirmaiton are in compliance with Table 11 2 2 Residual attracting force Measurement Place the lifting magnet on the test piece selected for residual attracting force confirmation then turn ON the switch lever and turn it OFF again Now if the lifting magnet is raised the test piece for residual attracting force confirmation shall not be held together with it Test piece for residual attracting force confirmation IS262 Indian Standard surface roughness p t 6 x 600 x 250 17 Table 11 2 Test piece and nonmagnetic material plate sizes for attracting force confirmation Nonmagnetic material plate size mm KRL15 35x450x450 03x450x450 KRM45
89. n it into the main body tap hole 5 OFF stopper lt 1 gt Detaching Set the switch lever to OFF Detach the OFF stopper fixing bolt lt 2 gt Mounting Set the switch lever to OFF Pass the OFF stopper fixing bolt through the OFF stopper and tighten it into the main body tap hole 12 Disposal Method When disposing of the lifting magnet at the end of its useful life disassemble it so that it cannot be reused in order to prevent any accidents Perform the disassembly through the following steps 1 Set the switch lever to OFF 2 Detach the switch cover and the switch lever so that the lifting magnet cannot be operated For the steps refer to the previous section 11 3 3 Contact professional disposal companies to handle the lifting magnet main body and the disassembled parts Pay adequate attention during the disassembly process to avoid injury In particular never attempt to detach the magnet embedded inside the lifting magnet main body The magnetic force of the magnet is very strong and may cause unexpected and serious injury or other damage 21 13 Quality Warranty Thank you for purchasing KITO s product The product is assured of its quality according to the following regulations 1 Scope of Warranty Should there be any trouble damage etc due to design manufacture and material defects despite the use of the product according to the instructions in the Owner s Manual and on the warning lab
90. ng is below 50 C Ensure that no chips dust paper or other foreign objects are present on the attracting surface of the lifting magnet or the lifting surface of the load Use the flat steel dedicated type lifting magnet on the planar section of the load Maintain the lowest practicable height for the lifting magnet in lifting and transporting the load A lifting method that allows large deflection in the steel sheet may create a gap between the the attracting surface of the lifting magnet and the lifting surface of the load and thereby decrease the attracting force generate tilt and shake and result in dropping of the load 13 Be sure to leave the switch Ensure that the load does not Be aware that the attracting lever of the lifting magentin collide with surrounding force decreases for steel the OFF position unless a objects during transport sheets thinner than 25mm load is being lifted Also do not use the lifting magnet to lift steel sheets that are warped When the switch lever has been rotated to the ON side be sure to perform latch lock 10 How to Use 1 Before using the lifting magnet observe closely its overall condition and check for any abnormality in appearance If the switch lever grip is loose tighten it firmly Check eyebolts and top plate bolts and also the latching function If any abnormality is observed the lifting magnet should not be used If any abnormality is found with ey
91. or size of the load shall not exceed the limits described in the Owner s Manual Never disassemble the lifting magnet Do not lift multiple loads in an overlapping manner such as by double lifting GS OQ Do not lift multiple loads ata Do not use multiple lifting Do not use the lifting time magnets at the same magnet at the edge of the time load Attracting force shall be applied at the center of gravity Do not use the lifting magnet with its attracting Do not use the lifting magnet with its attracting surface oriented vertically surface tilted away from the horizontal When handling medical equipment like pacemakers be sure to consult related experts CAUTION Do not detach warning labels nameplates or other indications When operating the lifting magnet be sure to wear protective goggles work gloves safety boots and helmets Be sure to warn people near the load not to remain closer than a distance of 1 5 times the lifting height of the load Be sure to warn people near the load prior to lifting and transporting Equip the hooks of the cranes or other equipment with hook latches to prevent detachment from the eyebolt of the lifting magnet Handle the switch lever with due care to avoid breaking it do not hit the lever or apply other force of impact Do not leave the lifting magnet with a load held when not in use Ensure that the temperature of the load and the surroundi
92. ou cannot allow any length greater than 102mm the width of KRM12 because it exceeds the maximum working load 2 Check the load weight 3 Read compensation coefficients A to D for load conditions from Table 8 1 The compensation coefficient is a coefficient for effective attracting force that decreases according to the load conditions 4 Multiply the weight of the load by all compensation coefficients A to D and calculate the attracting force required for lifting the load 5 Determine the load shake coefficient according to the operational situation from Table 8 2 If other considerations such as load balance apply further increase the coefficient 6 Multiply the attracting force required for lifting the load by the load shake coefficient 7 As the maximum working load select a model of capacity not less than the calculated value at Step 6 from Tables 8 3 and 8 4 Table 8 1 Compensation coefficients based on load conditions Theoretical value Load Conditions OM ale 1 Material EN S235JR IS IS262 Compensation 1 coefficient A 2 Thickness coefficient B 3 Surface finishing Compensation coefficient C 4 Anti rust treatment Compensation 114 coefficient D i CAUTION These values are theoretical only and do not guarantee absolute safety Table 8 2 Operating conditions aed Load shake Operational situation Operations where the attracting force applies at the center of gravity wi
93. ply with local laws and regulations when using the lifting magnet Table of Contents Intended Use Safety Precautions Indications on the Main Body of the Lifting Magnet General Matters on Handling Applicable Laws 1 Glossary 2 Opening the Package 3 Product Models and Specifications 4 Operating Conditions 5 Features 6 Names of Each Part 7 Load Conditions and Attracting Force 8 Selection of Suitable Model 9 Precautions for Safety Operations 10 How to Use 11 Maintenance 12 Disposal Method 13 Quality Warranty Note The contents of the Owner s Manual are subject to change without prior notice 1 Glossary Attracting force ee The effective working magnetic force for holding the load Maximum lifting capacity The attracting force obtained by the following load conditions Material IS262 Indian Standard Thickness 50mm 6 3 Surface finishing 3 2 Surface processing None Gap No gap should exist between the attracting surface of lifting magnet and the steel sheet Load surface state Dry Maximum working load ee The value obtained by dividing the maximum lifting capacity by 3 safety coefficient as a rough guide for lifting magnet operations Attracting surface ee The surface of the lifting magnet that holds the load Dynamic lifting Off ee The load held by the lifting magnet rises from the ground due to hoisting by a crane or a similar machine M
94. rious Do not transport the load with any person riding on it The load may drop and cause serious injury Rapid lifting of the load or collision during the transport may result in dropping of the load Al 15 8 Lower the load to the ground only after confirming safety of the surrounding area 9 Confirm complete grounding before releasing the latch lock Put a finger into the latch finger holder and press down the latch press the latch toward the main body side for KRL7 KRL15 KRM7 and KRM12 and pull the switch lever toward you at the same time The switch levers for KRL7 KRL15 KRM7 and KRM12 do not move toward you Figures 10 4 and 10 5 OFF Li gt cf YA ORs Latch finger ae holder Switch lever Latch finger holder Figure 10 4 Models KRL7 KRL15 KRM7 KRM12 Figure 10 5 Other models DANGER Latch operations with unstable foothold may result in injury 10 Move the switch lever to the OFF side till it hits the stopper on the OFF side till the lever stops moving for KRL7 KRL15 KRM7 and KRM12 A DANGER If the switch lever is not completely returned to the OFF side the attracting force will not become zero Therefore when the lifting magnet is raised off the load in this condition the non zero magnetic force may partially raise and drop down the load unpredictably 11 Raise the lifting magnet slowly and confirm comple
95. te release of the load Place the lifting magnet at a safe location for standby when it has completed its operations 11 Maintenance 11 1 Inspection item 1 Daily inspection Before using the lifting magnet perform an overall inspection for any abnormality and clean the attracting surface using a waste cloth or similar item After each use of the lifting magnet check its attracting surface for any abnormality and clean the attracting surface using a waste cloth or similar item 2 Periodic inspection Perform monthly and annual inspections in compliance with the inspection standard in Table 11 1 If any abnormality is found such as looseness cracks deformation or defects immediately get it corrected appropriately If parts replacement is required perform operations with reference to the next section 11 2 Parts replacement 16 3 Storage Find a location where no scratches will be generated on the attracting surface of the lifting magnet during storage lay down a clean paper or vinyl sheet free from foreign objects such as chips or dust at this location and then place the lifting magnet on it Place the lifting magnet in a stable place where it will not slip tilt or drop Store the lifting magnet in an environment that will not degrade its performance or impact its safety If the lifting magnet is not to be used for a long time apply anti rust oil on the attracting surface and then cover it with
96. teel use a flat steel round steel dual purpose type The applicable diameter of round steel is 80 to 6300mm for KRM7 and KRM12 and 80 to 600mm for other models The lifting capacity of round steel varies according to its diameter It reaches 100 at 100 to 160mm for KRM7 120 to 180mm for KRM12 130 to 250mm for KRM25 and KRM45 and 210 to 400mm for KRM95 and KRM75 Figure 7 6 shows attracting force according to diameter When lifting round steel take care regarding its length and its weight For example for a round steel load of diameter 300mm by KRM12 you cannot allow any length greater than 102mm the width of KRM12 KRM7 Figure 7 6 Attracting force according to the round steel diameter KRM12 KRM25 and KRM45 KRM75 and KRM95 200 180 160 140 T T T 1 1 1 1 1 1 1 oe S 5 TE 5 120 f i i us 1 1 100 l E 1 oO 7 1 1 1 4 i 1 1 1 zo Po me a 1 1 1 T 60 7 Van 1 1 1 1 40 LU 1 1 1 1 1 1 20 1 1 1 1 1 1 j 0 L L L L L L L L 1 L L L 1 L L L 1 0 50 100 150 200 250 300 350 400 450 500 550 600 Round steel diameter mm G Surface condition Any oil adhering to the lifting surface of the load or to the attracting surface of the lifting magnet may cause sideslip of the
97. thout load shake or vibrations i Operations where the attracting force applies at the center of gravity with load shake or vibrations These values are coefficients for a rough guide for general transport operations Therefore select a higher coefficient according to your actual operational situation Do not use the lifting magnet when the attracting force is applied away from the center of gravity or when a gap arises between the attracting surface and the lifting surface due to load deflection or when excessive shake or impact is expected A lifting method that generates large load deflection may create gap between the attracting surface and the lifting surface and result in dropping of the load Plating 20um Coating 40um 1 18 11 Table 8 3 Maximum working load Table 8 4 Maximum working load kg for round steel for flat steel kg Maximum working load kg Model Maximum working load kg 2 440 530 6 The maximum working load for round steel is determined by its diameter Table 8 4 lists the maximum load values based on the representative diameters of the respective models Note Calculate the load based on the round steel length and ensure that the maximum working load is not exceeded For details refer to Figure 7 6 on page 10 Attracting force according to the round steel diameter 8 2 Selection example Shapes sss sss 55 Flat steel Lifting weight
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