Harrington NTH Operating Instructions Manual Download | Manualshive

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Summary of Contents for NTH

Page 1: ...ating and Maintenance Instructions 2 Parts Ust 3 Chaining Instructions 4 Inspection Standards 5 Disassembling Assembling Instructions 6 Trouble Shooting HARRINGTON HOISTS HARRINGTON HARRINGTONC ES Ii1 RRINGTON HOISTS INC 401 WEST END AVENUE MANHEtM PA 7545 r l iP HONE 717 6 gOOO J TOll FREE 1 8OD 233 3010 _ F AX 717 665 2861 0 o ...

Page 2: ... unit or cause accidents When the hand chain suddenly becomes taut STOP OPERATION theliftchain has reached either its upper or lower limit Maintenance Keep hoist free of dirt and moisture Oilthe hoist periodically especially ifit has been used inthe rain AJways keep the load chain Ijghtlylubricated Avoid dragging the hoist on the ground I I y t i I 1 i 0 a UTlON 4 No overloading 1 No tM6ting No ca...

Page 3: ...o beam See Ag 1 3 Reinstallside plate 8 and remaining spacers Install stop pins 4 Check to see that hoist and trolley is secure on beam Allpins are in place and keeper split pins are installed 5 Move trolley Itshould move freely Itit is too tight or loose adjust as required by going back to Step 1 above Operation Move an unloaded trolley by pullingon the load chain of the hoist Move a loaded troll...

Page 4: ...e A B A B 1 S i y Trotley WMef Hand In i I C App 3 S Fig 3 0 c Í Fig 2 3 31 4 3 5 8 37 8 41 8 45 8 5 51 8 51 4 51 2 55 8 3 4 6 61 4 63 8 61 2 7 WJdth 33 8 4 aD 1 Inner 3 3 4 4 5 5 6 6 7 7 9 9 Outer 12 10 8 6 4 0 11 2Irtner 1 1 1 2 4 4 5 6 6 6 6 7 7 8 8 8 8 9 9 9 2 Outer 16 15 10 7 6 5 3 2 1 0 3 Inrier _ 1 1 1 2 4 4 5 6 6 6 6 7 7 8 8 8 8 9 9 9 Outer 16 15 10 7 6 5 3 2 1 0 5 Inner 0 1 1 1 1 2 2 t 3 ...

Page 5: ...CF4111015 fk CF4111 05 5 Ball Bearing A Ag 14 1 9000103 6 Ball Bearing B Fig 14 1 9000201 9000202 9000300 Ball Bearing C FiQ 14 1 9000105 9000106 riA BallBearing D Ag 14 1 9000105 9000106 18 Load Sheave 1 CF116010 CF116015 CF116A050 19 Load Gear 1 CF114010 CF114015 CF116A050 20 Chain Guide 1 CF178010 CF178015 21 Stripper 1 CF162010 CF162015 22 Socket Bolttor Body 2 9091284 9091285 2A Socket Battto...

Page 6: ... Slotted Nutfor Ag 46 1 M2049010 M204901 0 8 Split Pin fqr Ag 46 1 9009411 900411 9 Bottom Hook Complete Set 1 CF021A020 M3021A030 50 Bottom Yoke 2 CF031020 M3031030 51 Bolt 2 9091274 9091296 52 UNut 2 9098506 9098508 53 Shaft 1 CFO53020 CFO53030 Spring Pin 1 CFO83020 CF083020 55 IdleSheave 1 CF051020 CF051030 6 Bottom Hook Assembly 1 CF021020 M3021030 57 Safety LeverAssembly 1 CF071020 CF071030 5...

Page 7: ...No Capacity fig per No Part Name Hoist 1 2 3 5 72 Spring Pin 1 CF083020 73 Bolt 2 9091296 74 U Nut 2 9098508 75 Bottom Hook Assembly 1 M3021 050 76 Safety Lever Assembly 1 CF071 050 ...

Page 8: ......

Page 9: ... ...

Page 10: ...110202G T3P1102O30 T3P1102050 87 Name Plate 1 NTH800010 NTH80oo20 NTH 800030 NTH800050 36 9005212 T3P116010 9005215 88 AdiustinQ Spacer íì óò 50736 90 Lock Nut 2 9098506 9098506 9098508 9098508 91 Split Pin 2 T3P157010 T3P157020 T3P157O30 T3P157050 92 Bolt 2 9093102 9093104 9093354 9093129 çí Suspension Shaft 2 50605 50624 50680 50729 94 Shaft Stopper Pin 2 T3P156010 T3P156020 T3P156030 T3P156050 ...

Page 11: ... 4 ...

Page 12: ...last linkof hand chain Be sure you did not twist hand chain you are holding Join end of chain to connecting linkand chain willhang in perfect loop Close connecting linkin vise 5 Remove the factory installed leader and open linkfrom the load chain 6 Attach the end of the load chain on the right hand side of the load wheel to the tail pin Be careful not to twist the chain 1 Ton Capacity Attach the b...

Page 13: ... t l tG N FIG I 24 j TO N FIG 2 IB Jn iC t L I t 13 ii t tw 5 TON Fl G 3 r i 1r r I ...

Page 14: ... machine oil or gear oil Under abrasive conditions use g lubriCant 3 Be certain that th h placement chain is the same size grade and construction asthe original chain 4 When rePlacing j8adchain check for wear on matin parts i e pocket wheel chain guide and idler wheels and replace ifnecessary The chain may break ifit does not fitproperly In the pocket wheel and Chainguide Destroy old load chain 1 ...

Page 15: ...J _ t o Parts to be Amount of lubrication lubricated Name of oil lubricating method Frequency of Lubrication Load Chain Machine or Lubricate with brush Lubricate when there is Gear oil no oil on it Neck part Machine or Proper amount Once a month of hook Gear oil Mechanical Machine or Wipeoffoilwithwaste When the hand pull brake parts Gear oil Clothafter applying becomes extremely Friction proper a...

Page 16: ...here should be no change in the a and b dimensions in the figure Close inspection should be made at the time of repair 2 pamage of I Inspect visually I There should be no hook serious damage 3 Bend in the I Inspect visually I Gap e between yoke neck of hook and the neck of hook f should be even 4 Top Bottom I Inspectvisually I There should be no yoke abnormalities in them e 5 Loosened Inspect visu...

Page 17: ... be lacking_of loosened Use Umit or Inspection Items Inspection Method Judgement Standard Capacity Inspect visually There should be a indication dear indication of capacity I I joo s rop Bottom 1 Deformation I Measure a and b Dimension should not of hook dimensions in the exceed 10 of a figure below and b dimensions when new 2 Wear of hook I Measure c and d Wear should not part dimensions in figur...

Page 18: ...t visually There should be no Replace it large bend Functions 1 Uftingand Lifta light load Ufting and lowering Disassemble lowering operations can be and repair done smoothly without any of the following being caused 2 Braking No riftingoperation can be made Load falls ifyour hand is let go from the hand chain Load falls in a lowering operation Load sfips slowly Internal Construction Brake parts 1...

Page 19: ...d not be rusted Gear 1 Deformation or Inspect visually It should not scratch frame Replace damage of load or body Teeth should not sheave be deformed 2 Wear or damage Inspect visually Gear teeth should not be Replace of gear corrugated or damaged 3 Wear or Inspect visually Teeth should not be Replace deformation flattened or deformed of Hand Wheel Turn it and make sure Or that it does not swing Ot...

Page 20: ...remains in links adjacent to broken link Guide roller is unusuatly deformed Cause Load chain twisted Explanation of Cause When load chain isliftedwith a twist the twist becomes tighter as chain is Jiftedand it is rolled onto load sheave Further liftingwill finallycause chain to break Remed Jerk hand ain by 2 or 3 people to loosen screw In the event that the screw is fUsted disassemble and replace ...

Page 21: ...n Before loading be sure to untwist load chain completely Upon noticing of twisted chain be sure to stop operation immediately then disassemble and reassemble after untwisting 5 Trouble There is no broken link nor other trouble in chain in particular but Hook opened unusually Cause Pin is bent pin hole deformed or other indication of overload Exglanation of Cause Excessive overloading due to sudde...

Page 22: ... ...

Page 23: ...n Fig 42 and Bottom HookAssembly Fig 5 into Bottom Yoke Rg 5 and fix Botto Yoke witt Socket Bolt Rg 7 and U Nuts Fig 8 2 Double fall type Top Hook Bottom Ho k 2 3 ton capacity a Put lightly greased Shaft with Spring Pin Rg 53 54 into thegr oove of hole in Bottom Yoke Rg 50 and put Shaft into Idle Sheave Fig 55 b Wind load chain on Idle Sheave with the welded part of load chain turned inside c Put ...

Page 24: ...art of Pinion Fig 14 and apply machine oil lightlyto the screw part and insert Pinion into BallBearing B Ag 16 through the hole Turn Pinion by hand and make sure that the Load Sheave also turns smoothly 7 Insert Top Pin into Top Hook Assembly Fig 1 8 FitBody A Ag 10 in this state to Body B Make sure that the Top Pin Stripper and Chain GuicJe e intheir proper hates ii r Body A and th t the Load She...

Page 25: ...ictionPlate A Fig 32 Ratchet Disc Fig 31 Friction Plate B Fig 30 in the order lamed from FrictionDisc Fig 29 and remove Friction Disc from Pinion whileturning Brake isc from leftto right 6 Take out Snap Ring Fig 28 from Pawl Pin Fig 24 and remove Pawl Rg 27 and Pawl Spting Fig 26 fromPawl Pin NOTE Donot disassemble except in case a part is required to be replaced for a new one 7 Take out four Sock...

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