background image

 

 

cleaned to ensure it is clear of dust and oil, also, inspect the working space of    the 

brake  device,  if  abrasion  (wear)  of  the  brake  disc  is  more  than  the  maximum 

working space (1mm), then the working space should be adjusted and if abrasion 

of  friction  disc  is  near  to  the  aluminum  core,  the  brake  disc  should  be  replaced  , 

otherwise, the brake device will be damaged.   

c)

 

Gearing: cleaned and greased    (i.e.no.1) every year. 

d)

 

Bearing: cleaned and greased    (i.e.no.1) every year. 

e)

 

Hooks:  to  be  checked  periodically  for  deformation  and  wear,  if  the  wear  or 

deformation  measures  a  reduction  of  10%  or  greater  of  the  standard  sizes  (ref  to 

illustrated figure), replace the hooks. 

f)

 

 

3)

 

Repair 

 

There  are  no  user  serviceable  parts  inside  hoist.  Covers  should  only  be  removed  by 

qualified service personnel.. 

 

8)

 

Illustration figure for chain inspection 

If chain is worn over the limit value, it must be replaced with a new one. 

 

 

 

 

5) Illustration figure for hook inspection 

If the size “b” and “c” is smaller than the 90% of the standard size, please replace with new one. 

 

 

Dia. of chain 

(d)     

Wearing Limit value 

(d) 

Measure links 

standard 

value (p) 

Wearing Limit 

value (p) 

7.1mm 

6.4mm 

106mm 

109.2mm 

02/08/2019

Instructions Manual for TECH0103 (H250)

6

Summary of Contents for TOHO TECH Series

Page 1: ...INSTRUCTION MANUAL TECH0103 Electric Chain Hoist 1 Tonne x 3 Metre Lift H250 02 08 2019 Instructions Manual for TECH0103 H250 1 ...

Page 2: ...ot be installed operated or maintained by any person who has not read all the contents of these general instructions Failure to read and comply with these instructions or any one of the limitations noted herein can result in injury and or property damage 02 08 2019 Instructions Manual for TECH0103 H250 2 ...

Page 3: ...th the safety latch properly closed 2 Application TECH series electric chain hoist is based on Japanese and Germany technology with the features of compact structure light weight easily operation with load limit and thermal protection The hoist is widely used in factories workshops mines ports warehouses etc and can be used together with cranes as an integral part of an overhead craning system ser...

Page 4: ...et Weight kg 58 62 63 70 Extra weight per meter of extra lift kg 1 1 1 1 2 2 2 2 Minimum headroom mm 520 520 630 630 Main dimensions A mm 245 245 245 245 B mm 245 245 245 245 C mm 158 158 124 124 D mm 142 142 176 176 E mm 350 350 350 350 F mm 600 600 610 610 5 Technical Specification 1 Relative humidity 85 2 Ambient temperature 25º C 40º C 3 Working class M4 4 Level of Protection IP54 5 Main power...

Page 5: ...structure switch it on as the nameplate indicates and push the pendant button to watch for the running direction of load hook b Before operating a new hoist for its first lifting it should be operated without load for a full cycle to ensure the correct and smooth running The same procedure should be given to a hoist which has been out of usage for a long time 2 Maintenance Maintenance should be ef...

Page 6: ...r deformation and wear if the wear or deformation measures a reduction of 10 or greater of the standard sizes ref to illustrated figure replace the hooks f 3 Repair There are no user serviceable parts inside hoist Covers should only be removed by qualified service personnel 8 Illustration figure for chain inspection If chain is worn over the limit value it must be replaced with a new one 5 Illustr...

Page 7: ...ed voltage 3 After switching off the load drops while braked Dust or oil on brake disc Clean the disc Severe wear of disc Replace the disc 4 Hoist still operates when the control button is released The contactor is damaged or faulty Replace contactor 5 Excessive chain noise when running The chain is not lubricated properly Lubricate chain by oil or grease The chain or sprocket wheel is worn Replac...

Page 8: ...9 EXPLODED DRAWING 6 02 08 2019 Instructions Manual for TECH0103 H250 8 ...

Page 9: ...eft side plate 1 60 Hex bolt M8 30 2 20 Spring washer 10 8 61 Bottom hook assembly 2 21 Hex nut M10 8 62 Hex nut M8 2 22 Hex screw M8 20 4 63 Spring washer 8 2 23 Hex screw M8 20 4 64 Bottom hook 1 24 Motor assembly 1 65 Top hook assembly 2t 1 25 Motor cover packing 1 66 Hook axle 2t 2 26 Screw M6 8 12 67 Chain suspension holder 2t 1 27 Cover B 1 68 Connecting pin 2t 1 28 Name plate 2 69 Pin 2t 1 ...

Page 10: ...11 ELECTRICAL DRAWING 8 XT L 1 N 01 03 04 09 T1 T2 T3 T4 2 3 4 5 6 7 8 10 9 UP DN 24V AC Push button switch 02 08 2019 Instructions Manual for TECH0103 H250 10 ...

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