TU17 & 28 service manual.qxd
Contents
1. s x ANT stol 10 pue rapa e D e 3 137411 cumehdt yy gu en ce eo nup eoru S NR Tu Xm ae ly cor Aupa jama hon Oo P 1 7 eur jrm IG ee ERT eng te AH emie 0000 LH eebe 10187 amd bolwnuta 7 1 29171 jer Gm E an poene troi ae OM 75 57 Beier ops pira ek ane 1 op 0611 1 pi MI for 3 Et o M MEN TS vira ropa honk with 2 uri eh fe ub f type cri complica fr hook RS Ww rd xd woma on ee Lll iin am B 2 m 1 ME el re Se 1 s Fa omg HE DIM an Neige HMS emin den Ed EDN Cm HEB bag Zentre Dn ra rni LM P AES dut pin QS wn ever d Ae dS achasting cum mmn Iene p ar pun heck E Hommes CIN ETE weg bear pin front block 4 mn ng kees pin bot ry DE E ME n 18718 A UM ES bararin EM NE et TH 00 1 ere eng TH DIN 222 a GR mang acer TH E e Dod GC2. Exploded view for TU 17 ES m Se od OF PLE SIEI i ATEN aure jd jo pasu Jo JEQLUNU SE SE paunbas sped jo apos GOUD aseejd eds ua INVIHOSMNI Sugereda ISEB 10 S46 uice up 000 16 aja cuc LECH Alps ge pi IG bers SUK meg ne 10 uid aei Radios Junda we 0 075 Sep Dugaauuga ml Da due sage wal Loo 1 10 RAE 2 pue due vue sve igddr pl JED L pug ESO sud jeans JN ayega Lois IQ LE 906 buseo HT LEO 15 023 SI erp 2 4 VELO Sepp Luz araga 2 ao gnnrez Gel icedi dure ugay mt sia pug Su 85 pue uj Bundes pug up Guiyang pue Loan Buses aue pou Gal yama uae Yoon jong HO LU LUS UE dz 158 3806 DEG ERS Je 28 04 PLO AC PIB daro 2162860 iE gaci led 2800 can edo FER Sat eg zap og ep KK Zb rena ipa LES DS Ch Bt Latz LEES LEES LIES i ael L L A
3. GLa Foro CECR SEC Lio FBO 2800 Gh SRO SED 3108800 20 08001 onl Kale Ze LOC 800 00 2900 50 c9 Gen a T BOX ten STE SH GO 2p D SIC 2800 WEL i a p 0 1950 IN TEE iai pg CCG ee Op peo 92002 290 592 SEED gai 91591 790 org pg GG 50 cao 960 Pan IES 2490 EE geal z40b SELIL EPC ch L n 10 soo ord gp 6a 260 95901 500 beg 51 gen coop 220 55 1 G06 810 910 51901 510 Fu agi SPIL 600 Bet 500 HSE AN ELT HOAHLUL Griphoist Division Wa DS aor Gu o UE M HIR i Bill d D up Ell ap LOCUM Dua piel Lid ONE eee SS a cmm get 28 inb Gon a end WS 090 ui ap Griphoist Division TU 28 exploded view TU NI a mg rir mre me wh tearing ans Dung d KH d 5 EN ME ox 2 zu x 1 1 1 1 D j 1 Amari LI 2 a L 96371 upper goen RU bam sesch det weus 206 98 EE Amy 502 7 AT ew em of S edel gen Halt
4. Griphoist Tirfor TU 17 TU 8 amp TU 28 TU 16 Date 04 05 04 Version 2a Service and Maintenence Manual rou Eu Griphoist Division Table of Contents UL Listing Card Tools required P 4 General Inspection P 4 Disassemble TU 17 TU 8 5 Disassemble the two jaw blocks P 8 Reassemble P 10 Front Jaw Assembly P 12 TU 17 TU 8 amp TU 28 TU 16 Physical Differences P 19 TU 17 TU 8 Dimensions P 20 TU 28 TU 16 Dimensions P 21 Hydraulic Powered Units P 22 TU 28H vs TU 28 Comparison P 23 Appendix A exploded view for TU 17 TU 8 amp TU 28 TU 16 24 P 28 Appendix B Jaw Inspection Griphoist Division UL Listing Card Northbrook Ilinois 847 272 8800 Melville New York 631 271 6200 Santa Clara California 408 985 2400 Research Triangle Park North Carolina 919 549 1400 i Camas Washington 360 817 5500 ur Underwriters Laboratories Inc gton 360 TRACTEL INC GRIPHOIST DIV 110 SHAWMUT RD PO BOX 188 CANTON MA 02021 TUFV April 18 2002 Equiptment Scaffolding TRACTEL INC GRIPHOIST DIV SA4785 110 SHAWMUT RD PO BOX 188 CANTON MA 02021 Electric scaffold hoists Models ETH 32L XE301P maximum load 700 lbs Models 5 ETH35C3 ETH35X LE500P LE501P TE401P 401PA XE500P 501P 501PA maximum load 1000lbs Models TE1000P 1001P 1001PA XE501PO XE700P 701P XE720P XE721P maximum load 1500lbs Models TE1020P 1021P 1021PA maximum load 2000 Ibs Mode
5. assembly LE e Dissassemble front jaw the same way Thoroughly clean and inspect all parts before reassemble New grease must be applied for reassembly Warning Do not use any grease with graphite or molydisulphide These can cause slippage between the wire rope and jaws Hemove pin snap ring from pin Position 032 amp Position 034 and dissassemble jaw assem bly Griphoist Division Heassemble Assemble jaw as shown above Refer to exploded view in appendix A for assembly Generously grease each part and start assembly by laying down jaw actuating cam and free cam Position 14 amp Position 15 Note Make sure to apply extreme pressure grease to the jaw keys Lack of lubrication on the S shaped jaw keys can cause the jaws to stick and pumping occurs where the rope does not advance through the machine when operating Griphoist Division olide rear jaw connecting plate over the jaw assembly Be careful that the S shaped jaw keys do not fall out Place spring in position apply pressure to aw cam to compress the spring slightly and remove the nail Finalize assembly by placing pin snap back on pin and center the axle for Place 4 flat washers and 1 spacer in to the rollers assembly for complete rear jaw assembly Refer to appendix A for exploded assembly view Griphoist Division Front jaw assembly Grease nylon roller and place roller with washers on to jaw assembly
6. Griphoist Division Tools required Hammer Screwdriver Flat head Gear puller Pliers Wrenchs 10mm TU 17 TU 8 13mm TU 28 TU 16 2 nails for jaw spring compression General purpose grease General Inspection Check for casing deformation or damage as shown above Severe deformity needs casing replacement Small dents can be hammered flat on an anvil Griphoist Division Disassemble TU 17 TU 8 Use a gear puller to remove power stroke Hemove the handle and aluminum shear lever and shear pins pins 2 shear pins for TU 17 shear pins from TU 28 If shear pins are broken hoist has been overloaded shear pins have been replaced by steel fasteners screws or welded the crankshaft power stroke lever assembly must be replaced 4 L Place Tirfor on vice for easier removal of casing screws 2 sets of spare shear pins are found in the power stroke lever under a plastic cap If missing replace them Check that mushroom capped rivet is in place It holds the telescopic handle in place Griphoist Division Remove casing screws 10mm wrench TU 17 TU 8 Check for wear or any loose parts snap rings inside casing cover Check that both casing bushings are in place and in good condition No splits etc Remove casing cover once casing Screws are removed Griphoist Division uge i d Auct Check for
7. pin Position 034 Generously grease each part and assemble jaw the same way as rear jaw Place crankshaft on to rear jaw connecting plates Make sure that the stop pin is recessed in the side plate slot amp AT aCtel Griphoist Division Place bushing between free cams Place Once assembly finalized remove nail and jaw assembly into front jaw assembly plate secure pin in assembly by pin snap ring Place 4 flat washer and pin in alignment ciel Griphoist Division d A X VE EE F E z Grease roller and ges roller on jaw assem bly pin on guide roller Position 034 Secure crankshaft connecting pin with pin ELS a t Connect front and rear jaw with crankshaft Position 919 1 S otart reversing lever assembly by fasten lever in place with reversing lever pin Position 039 Griphoist Division Place spacer and fasten reversing lever necting rods with reversing lever pin Position 039 Assemble clutch actuating lever sub assembe ly to reversing lever Secure assembly with pin and pin snap ring Assemble reversing connecting rods Position 021 to Reversing lever Position 903 Griphoist Division P Grease right hand casing and check for cas ing deformity nylon bushing and bearing wear Make sure casing spacer thread Position 045 is fastened before placing the jaws into cover Place jaws into casing and tuck the sp
8. TES 2527 perl USE 55 Hd Ie ISIB Le N asus sajguns y ETL 6S jz gles igl O16 ziel 016 ziel 016 11 0 8 51 L k A Al AL af k 28 st 28 Sing z J SiL T Ee n af 47 JT PGA LE JE SLL 100 166 ut aepdorse Sued p Aled uganga FEB MIC B IN H inu LEE MIC b ra p uses Du IA UISES ues Bi zx A HL MIS Ia DIEU uses Loop Guide iex ane Long Get MIC seen ul Long EBLE NIC 5 Guu ceus amp but ceus pr Bunjsng ugu BALE des ser ad gears bb MIC 43 Sere c See Agua 197605 ues at Dun 15 48 Durzen sg cap LE Daiana C ud exar we Lic Suas wel SIE up aid n gerp vef ARLES EG We var 561 Diet Gap Ode RHE NIC 1443 L 1 UT mel aal ILES uma wal sf ech ere mel coop LO Lat LEE up seed Lup opt LEHOI ELO LEO Cal pop 1670 AD ET Sech 0910 Che Bh abl
9. carrying ere dg img anm TH DING BOB gur oic puer 1051 cep for er pin wg 008 10006 pin inap ring Aperta on lyaugplled In te per main HA v N ou d Griphoist Division Trach Griphoist Division Appendix Jaw inspection The Wear on the jaws of the tirfor hoists is generally very small It is nevertheless recommended to check periodically the wear when inspecting and repairing the machines This checking can be made on mounted jaws 1 Introduce the measuring rod see table for diameter according to model between both jaws 2 Place a square under jaw assembly pins a if the hole of reversing lever pin is still partially covered by the square the jaws are OK b if this hole is completely uncovered the jaws are worn and must be replaced In this case better check also the other wear parts mentioned in the list hereunder and eventually replace them at the same time ud S d e e D Measuring TIRFOR models rod diameter TU B TU 8S TU TO TU 17 7 id OCH Ki 2020 ei CX de pas D Must replaced x 2 2 x 52505 TU T6 TU 20 TU 28 o S dee 4 25 List of jaws wear parts E Parts Oty Code
10. l XE1020P maximum load 2400 lbs Model XE2050P maximum load 4400 Ibs Manually operated scaffold hoists Model TMS 600 maximum load 1320 lbs Model TU 17 maximum load 1500 lbs Model TU 28 maximum load 3000 Ibs Model TU 32 maximum load 6000 Ibs Model 408 maxi mum load 880 Ibs Pneumatic scaffold hoists Models ATH32L 32LB 300PB maximum load 700 lbs Models 5 ATH35X 35XB LA500P XA500P 500PB maximum load 1000 Ibs Models XA700P 700PB XA720PB maximum load 1500 Ibs Model XA1030PO maximum load 1850 lbs Model TA1020P maximum load 2000 lbs Model XA1020P maximum load 2400 Ibs Model XA2050P maximum load 4400 lbs Model XA2650P maximum load 5300 Ibs Independent secondary brakes Model BS15 301 maximum load 1500 lbs Model BS20 301 maximum load 3000 lbs Model BS35 30 maximum load 6000 Ibs Modular work platform Modular Staging 2 to 12 m rated 750 lbs Models KD01 2 to 18m rated 750 to 1500 Ibs PFD 2 to 15m load 6000 Ibs Work Cages Model PMR0700D PMR0701D VSMV PMR0710D rated 1000 Ibs Model WC01 rated 400 lbs This equipment consists of separate parts inspected at the factory by Underwriters Laboratories Inc and is intended for use in complete complete installations Installations are not inspected by Underwriters Laboratories Inc but should be made in accordance with requirements of authorities having jurisdiction LOOK FOR CLASSIFICATION MARK ON PRODUCT
11. number for hoists Pos Designation mer hoist TU B TU BS TU T1O TU 17 Tu 1 amp 8 TU 20 T U 26 1 Two sets of upper and lower jaw assemblies 5317 3387 2 Jaw actuating key 4 10455 8355 3 Free cam 4 10515 amp 385 4 Jaw actuating cam 4 10505 6345 Griphoist Division
12. ope Load control lever Travel bs Ib oh mm dka ren rm reversetonwand reverse 2000 xi5 79 d 7 EU 83 L 46 Eu Telescopic Control Lever ID E Dimensions ir FG H Griphoist Division 4 L 2 24 1813 12 156 209 155 28 766 23 1 1 12 43 be kg 173 288 18 2700 Dn 307 Sca er 198 AG 128 2551 110455 Au 8 5 TU 28 Dimensions 1 Shear pins 2 Rope guide fa Spare shear pins Telescope Control Lever Rated Wire Effort to Rope Dimensions bes Load Rope control lever Travel in Ins n n 165 kg kg gi EN Kusel revera d reveme B ARE d 4000 7H6 118 qe 22 ZB 12815 1 2 17 8 28 18 14 823 3 1 12 142 5 254 45 4 41 1800 115 54 D 459 0701 MSN 20 Beo 145 4 TESOR 18 5 Griphoist Division Hydraulic Powered Units The hydraulic powered Tirfors are special mahcines that is powered by a self reciprocating hydraulic cylinder oince fatique of the operator is not a factor these machines are typically used for heavy loads over a longer distance For extra durability and more severe service the hydraulic machines have bearings in place of bu
13. ring on clutch actuating lever in to casing Use a vise grip to hold clutch actuating lever in place Griphoist Division otart tightening all casing screws 5 us a Hn tms c i i A Place anchoring hook in position Griphoist Division Fasten through casing screw Grease shaft and install power stroke lever on crankshaft Secure it with 2 new shear pins for TU 17 TU 8 and 3 for TU 28 TU 18 Do not reuse shear pins Make sure casing flange is in place for fasten ing Griphoist Division TU 17 TU 8 amp TU 28 TU 16 Physical Differences TU 28 appears to look like the TU 17 with the exception in size and several minor differ ences which are described below Hook TU 28 has a carrying han TU 17 does not have dle carrying handl TU 28 shown above has TU 17 shown above a loose casing strength does not have a loose TU 28 s crankshaft w TU 17 s crankshaft w ener to reinforce the casing strengthener but power stroke lever has 3 power stroke lever has area around the hook has reinforcement in the aluminum shear pins 2 aluminum shear pins hook area of the casing The clutch lock pusher with spring TU 28 s clutch lock push TU 17 s clutch lock push er with er with spring Griphoist Division TU 17 Dimensions i Shear pins Rope guide Pal E Spare shear pins Rated Wire Effort to R
14. roller damage If axle has punched Check for bent safety latch on hook Repair or out hole in center of roller replace it replace as necessary check latching function Make sure that the hook is not opened due to a tip load 4 Broken roller TU 17 TU 8 as shown above need to be replaced Use pliers to adjust bent safety latch Side plates should be parallel Lee AT Check that clutch pusher has been mush roomed by hammering This shows that user tried to move it with anchor hook extended Griphoist Division Disassemble the two jaw blocks Position 39 and remove reversing lever connecting rod from assembly Remove pin snap ring 5 mm from upper pin of reversing lever Position 040 and clutch pin Position 041 DCH ode ANER Push pins through reversing lever and dissas semble reversing lever connecting rod Remove pin snap from crankshaft connecting rod Position 919 and remove crankshaft power stroke lever Check that nylon bushings are in place and not broken amp ATr actel Griphoist Division Warning Never remove jaw pins until springs has been compressed and nail is AN placed through hole in shaft to prevent it from flying upon disassembly Inspect jaw wear replace Compress the springs and place a nail in jaw lec Spring shaft before removing spring from jaw ary see appendix B for jaw inspection
15. shings and heat treated compo nents Griphoist Division TIRFOR TU 16H TU 28H with hydraulic power pack 1 Anchor point 2 Forward operating lever 3 Reverse operating lever 4 Hydraulic ram 5 Hydraulic hoses to connect GRIPHOIST machine to power pack 6 Wire rope TU 28H vs TU 28 Comparison TU 28H is a hydraulic powered device It differs from a regular TU 28 in the compo nents used Below are illustrations of the differences Top crankshaft TU 28H has reinforced needle bearing contact surface vs lower crankshaft that has no reinforced contact surface with casing Power stroke lever shown above clearly demonstrates the difference between a hydraulic unit which is on the left and a stan dard unit on the right Note Shear pins for hydrolic units are steel compare to aluminum for regular hand operated unit Hydrolic unit has tapered hook base shown on left vs ridgid base on a regular hand operated unit shown on right Crankshaft for hydraulic units has needle bearings demonstrated above on the left vs standard hand operated unit which does not have bearing shown on above right Left picture shows reinforced TU 28H casing with needle bearing vs right picture that has nylon bushing for standard hand operated unit Both front and rear jaws for hydraulic unit has red paint indicating extra hardening shown on above left Griphoist Division Appendix
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