Blount 613GC manual

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. 6 13GC SE R VIC E MANU AL[...]

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F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 1 T ABLE OF C ONTENTS SHOP MA NU A L USE 2 1 T OO L S 3 2 SA W SPE CIFI CA TIONS 4 3 SER IA L NUMBER L OCA TION 5 4 SP A RE P ARTS DIA GR A M (TORQUE A ND LOCTITE ® ) 6 5 AIR INT AK E 1 5 6 SP A RK PL UG 1 7 7 CL UT CH & RIM SPR OCKET 1 9 8 ST ARTE R S Y STE M 23 9 W [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 2 SHOP M A N UAL USE Shop Ma nua l Use This m anua l contains a ll the t echnical in formati on necessar y for carr yin g out re pairs on the 6 1 3GC cut-of f sa w . Fo r safe , ef ficient w ork, it is of prim e impor tan ce that the v alues ind icate d be ad hered t o.[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 3 1 . TOOLS P/ N DESCR IP TIO N 1 715 2 1 SCREN CH 2 71 5 41 PRESSURE GAUGE BU LB 3 715 4 2 CO IL /FL Y W HEEL TIMING S HIM 4 715 4 3 CYLIND ER ASSEMB L Y CL A MPS & PIST O N ST OP 5 715 4 6 61 3 SHO CK AB SORBER TOOL 6 715 47 SP A RK TESTER 7 715 4 8 61 3 FL Y W HEEL [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 4 2. SPE CIFIC A TIONS SPECIFICA TI ON S En gine T ype 2 - Strok e Single Cyl inder Air Coole d Displaceme n t 4.9 cu . in . (80 . 7 c c ) Hor sepower 5 . 7 hp ( 4.2 kW) @ 9 00 0 rpm En gine Sp eed 1 2, 00 0 ± 50 0 rpm, e lectronical ly go verned 2800 - 32 0 0 rpm @ id[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 5 3. SERIAL # LOC A TIO N 3 6 1 3GC Cu t- Of f serial n umb er series .[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 6 4. SP AR E P ARTS DIA GR AM 4 Thissectionco verst orqu e,L octite ,andlu bricationreq uirem entso ftheind ivid ual  compone nts . The k e y num bers use d are no t rel at ed to th e k e y nu mbers in th e 6 1 3GC Re pla cement P [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 7 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 RE AR M ANIFO LD CL AM P 738 67 2 RE AR M ANIFO LD 738 68 3 WRIST PIN N EEDLE BE A RING 738 69 4 COM PLETE PISTON /C Y LINDER A SSEM BL Y 71 413 5 C Y LINDER B ASE GAS KET A [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 8 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 CR AN KSHA FT S EA L FL Y WH EEL SIDE 73 877 2 CR AN KSHA FT B EA RING 73209 3 CR AN KSHA FT FL Y W HEEL WOO DRUFF K EY 73 878 4 CR AN KSHA FT AS SEMB L Y 71 41 0 5 WRIST [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 9 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 GUARD FL A P 715 3 4 2 WA LLWA L K ER ® LEV ER AR M 715 3 2 3 GUARD FL A P CL AM P 715 31 4 WAS H E R 7 3 9 51 5 WA LLWA L K ER ® LEV ER AR M SCRE W 0.5 43 X 714 7 8 6 GUAR[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 10 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 FUEL LINE G ROM MET (CR A NKCASE) 73390 2 CR AN KCASE ASSE MBL Y , LEF T HA LF 717 3 6 3 CR AN KCASE DOWEL PI N 73 2 81 4 CR AN KSHA FT B EA RING 7320 9 5 CR AN KCASE ASS[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 11 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 SIDE COV ER INSERT , TOP 7174 3 2 SIDE COV ER NUT 1. 2 10 4 73958 3 CHA IN COVER CA P 714 6 2 4 MOU NTING N UT 733 67 5 W A LL WALK ER® SID E AR M 715 3 3 6 WAS H E R 7 3 9[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 12 4. SP ARE P ARTS DIAGRAM[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 13 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 C Y LINDER C OVER ASSEM BL Y , WITH A IR INT AK E 717 5 4 2 AIR FIL TER CA NNI STER, PO L YESTER 717 5 2 3 AIR FIL TER COV ER ASSEM BL Y , 3 SC REW 717 5 3 4 FIL TER C O VER[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 14 4. SP ARE P ARTS DIAGRAM KE Y DES CRIPTION TORQ UE LOCTITE ® P ART NUMBE R Nm in ‑ lbs. 242 1 FUEL T A NK ASS EMBL Y (REQUI RES P/N 7 1 739) 714 2 1 2 RE AR HA ND LE HA LF 73 975 3 SCRE W 0 .1 9 7 3976 4 THROT TLE LEV ER 71 74 9 5 FUEL CAP A SSEM BL Y , W ITH OUT [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 15 5. AIR INT AKE 5 This se ction cov ers the dis assem bly , ins pection , and asse mbly a ir in ductio n sy st em . 5 .1 Loosen the a ir filte r cov er scre ws and remo ve ai r f il ter co ver . 5.2 Re mov e air filter fr om cov er . A Ins pect air filte r . B Re place i[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 16 5. AIR INT AKE 5.4 Ins pect air filte r cov er gas ke t. A Re place if perma nentl y depre ssed or hard d ue to sl urr y . 5.5 Inspect filte r cannist er gask et. A Clea n. B Re place if necessa r y . 5.6 Secure air filt er moun t screws .[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 17 6. SP ARK PLU G 6 This section cov ers the r emo va l, ins pection , and ins t a lla tion o f the sp ark plu g. 6 .1 Remo ve the s park plug l ead. 6. 2 Clea n area ar ound the s park plug to pr ev ent deb ris from ent ering the cylinder . 6.3 Rem ov e the spark plu g. [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 18 6. SP ARK PLUG B Gap if necessa r y to 0 .02” (0 .5 mm ). NOT E : If the s park plug m ust be repl aced ref er to th e Spark Pl ug Re ference Guid e on page 7 8 to select th e cor rect re placeme nt plug . 6.5 Assemble i n the re verse ord er . A Mak e sure the pl [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 19 7 . CL UTCH & RIM SP ROC KET 7 This se ction cov ers clut ch remo va l, rim s prock et re mo va l, ins pection , and asse mbly . Re fer to s ections 5 a nd 6 if nee ded . 7.1 Ins er t pist on stop t ool int o spark pl ug ho le. 7. 2 Pu ll starter hand le un til pis [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 20 7. CLUTCH & RIM SPROCKET 7. 4 Remo ve al l drive compo nents . 7. 5 Inspect the cl utch sh oes for w ear . A Re place if the s hoe has le ss than 0. 04” ( 1 mm ) of mat erial , as sho wn. 7. 6 Inspect sp ring for crack s.[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 21 7. CLUTCH & RIM SPROCKET 7. 7 Assembl e clutch sh oes as sho wn. 7. 8 Fini sh ins talla tion of clu tch shoe a s sho wn. 7. 9 Inspect the rim s prock et for w ear . A Re place if the rim s prock et t eeth a re worn to po ints , as sho wn on right.[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 22 7. CLUTCH & RIM SPROCKET 7.1 0 Clea n and asse mble . A Clea n all pa r ts in solv ent. B Greas e clutch cup b earing with a wa ter pr oof gre ase (IC S ® P / N 7 0 885 ). C Assembl e clutch sp acer wa sher , bearing , c lu tch cup wi th rim sprock et, and i nsi[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 23 8. ST ARTER 8 This se ction cov ers the remo va l of th e star t er cov er , rep laceme nt o f the sta r ter ro pe , and r epla cemen t of th e recoil sprin g. 8 .1 Remo ve s tar ter co ve r screw s. 8.2 R emo ve s t arter cov er assembl y from saw . 8.3 R emo ve s t ar[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 24 8. ST ARTER 8.6 Remo ve sta r ter pu lle y . 8 .7 Ins pect coil spring . A Re place if sp ring hook is da maged . Attemp ting to re-bend the spring hook ma y c a use the hook t o break of f. B Care f ul ly rem ov e c oil s pring and hous ing to p re ven t spring from[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 25 8. ST ARTER 8 .1 0 Inspect p ulle y spring catch . A Clea n with clean ing solu tion. B Re place if w orn or brok en. 8 .1 1 Ins tall starter rope a nd tie kno t. 8 .1 2 Insta ll pul le y A Wind rope o nto p ulle y clock wise lea ving 4 - 6” out. B Mak e sure tha t th[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 26 8. ST ARTER 8 .1 4 Wind the re coil spring . A Lin e rope up wit h not ch on pulle y . B Ro tate th e pull ey w ith the rope clock wis e 5 times. C Unta ngle rope a nd rele ase . 8 .1 5 Assemble s tar ter cord s hield . 8 .1 6 Remo ve s tar ter p awl scre ws, p awls [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 27 8. ST ARTER 8 .1 8 Assemble compon ents A Mak e sure the s pring is in th e cor rect position . B U se blue Loc tite ® on the pawl s crews . C T orquet o60in- lbs .( 6.8Nm ). 8 .1 9 Wind the pa wl spring. A Use ne edle nos e pliers to m ov e the tail o f[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 28 8. ST ARTER 8.2 1 Ins tall starter cov er screw s. A Use bl ue Loctit e ® . B T orquet o60in- lbs .(7Nm ).[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 29 9. W ALL W ALKER 9 This section cov ers the r emo va l, ins pection , and asse mbly o f the Wa ll Wa l ke r ® and gu ard flap . 9 .1 Inspect W allW alk er ® tip . A If the ti p is worn, a s shown , replace . 9. 2 Re mov e crank c ase s crews a nd wa ve wash ers. 9.3 R[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 30 9. W ALL W ALKER 9.6 Re assembl e in the re verse or der . A Ins tall cran k case screw s and wa ve wash ers. B Use bl ue Loctit e ® . C T orquet o70i n- lbs .(7 .9Nm ).[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 31 1 0. C YLINDER CO VER 10 Th is section co vers the dis assem bly a nd asse mbly o f the cyl ind er cov er . Remo va l of the ai r in tak e c om ponen ts and fron t han dle is n ecessar y . Re fer to s ections 1 a nd 1 4 if neede d. 10 . 1 R emo ve th e air filte r moun [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 32 10. CYLINDER COVER 10 . 7 Remo ve st op swi tch lead s. 10 . 8 I nspect cyl inder co ve r for dam age . A Re place if necessa r y . 10 . 9 C heck cyli nder cov er wa ter se al and filter co ve r gask et are i n place an d in good conditio n. A Re place if necessa r y[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 33 10. CYLINDER COVER 10 . 1 3 Ins tall cyl inder co ve r . A Pu ll spa rk plug lead i nt o slot i n cyli nder cov er . B Align thr ottle link age with c ylind er cov er and crank case. C Pu sh the cyli nder co ve r down on the crank case, g uide in t ak e mani fold in to [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 34 1 1 . MUFF LER 1 1 Th is section cov ers the dis assem bly , ins pection , and a ssemb ly o f the muff ler . R emo v al of th e W all W alk er ® and c ylin der co ve r is necessary . R ef er to s ections 7 a nd 1 0 if necessar y . 11 . 1 Remo ve mu f f le r support [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 35 1 1. MUFFLER 11 . 4 Instal l muf fler . A Inse r t muff ler scre ws and s errate d wa sher ( 2 ) int o muf fler . B Hold muff ler scre ws in place with hea t shield g ask et. C Thre ad muff ler scre ws int o cylind er , torq ueto7 8in- lbs .( 9Nm ). 11 . [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 36 1 2. CARBURET OR 1 2 This s ection cov ers the remo va l and i nstal la tion of t he carbure tor . Remo va l of th e air in tak e c om ponen ts and cyl inde r cov erisreq uir ed .Ple asere fer to s ections 5 a nd 1 0 or 1 1 if necessary . Carbure tor t[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 37 12. CARBURETOR 12 . 5 R emov e car bu re tor su ppor t scre w ( 1 ) with # 4 T or x or straig ht bla de screwdriver . 12 . 6 R emov e car bu re tor body s crews ( 2 ). 12 . 7 Re mov e fuel line . 12 . 8 R emov e pulse t ube . 12 . 9 R emov e car bu re tor compens ator t[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 38 1 3. C Y LINDER & P IST ON 1 3 This s ection cov ers the dis assem bly , ins pection an d asse mbly o f the cyli nder , pis ton and r ela ted compo nen ts. R emo v al of s e ve ral compon ent gro upsisr equ ired .Re fert o section s 5, 6 , 1 0, an [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 39 13. CYLINDER & PISTON 13 . 3 Re mov e rear man ifold cla mp . 13 . 4 Re mov e rear man ifold fro m cylind er . A Ins pect for holes a nd tea rs. 13 . 5 Rem ov e cylinde r screw s ( 4 ) and wa ve w ashers . 13 . 6 Re mov e cylind er . A Re mov e cylind er gask et an [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 40 13. CYLINDER & PISTON 13 . 7 Rem ov e wr is t pin re t a ining cl ips ( 2 ). 13 . 8 Pr ess wrist pin ou t with an 8 m m deep sock et. 13 . 9 Re mov e pist on and in spect. R eplace if dam aged . 13 . 1 0 Rem ov e wr is t pin bea ring.[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 41 13. CYLINDER & PISTON 13 . 1 1 Cylin der gas k et A Oil gas ke t with ICS ® 2-strok e engi ne oil . B Ins tall and a lign hol es and no tch. 13 . 1 2 Ins tall wrist pi n bearing i n rod. A Oil bearin g with ICS ® 2-strok e engi ne oil . 13 . 1 3 Ins tall rings .[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 42 13. CYLINDER & PISTON 13 . 1 4 Ring orien tation . 13 . 1 5 Ins tall one wrist p in re taini ng clip . 13 . 1 6 Mak e sure wrist pi n reta inin g clip is in the prop er orienta tion. Impr oper ins talla tion ma y resul t in seriou s engin e dama ge.[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 43 13. CYLINDER & PISTON 13 . 1 7 Pa r tiall y ins tall wrist p in. 13 . 1 8 Align pis ton in correct orien tation . 13 . 1 9 Ins tall pis ton . A Oil pis ton with I CS ® 2 - stro k e oil. B Align wrist p in with wrist p in bearin g. C Comple te wrist p in ins talla t[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 44 13. CYLINDER & PISTON 13 . 20 Install c ylind er A Lu bricate cyl inder bor e with ICS ® 2 -strok e oil . B Compress rin gs with ring compressio n tool . C Slide c ylind er ont o pist on, p ushi ng ring compress ion tool do wn. 13 . 21 Install c ylind er . A Re [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 45 13. CYLINDER & PISTON 13 . 23 Install r ear ma nifold . A Lu bricate rea r mani fold with ICS ® 2 -strok e oil . B Pu sh rear m anifo ld ont o cylin der intake . C Align rea r mani fold sea m with cyli nder an d crank c as e seam . 13 . 24 Install r ear ma nifold c[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 46 13. CYLINDER & PISTON 13 . 27 Install carbu ret or bas e. A Slip p ulse t ube in to carbure tor base . B Slip r ear ma nifold i nto carbu ret or ba se. C Mak e sure re ar mani fold li p is f la t. 13 . 28 Install carbu ret or bas e screws . A U se blue Loctite ®[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 47 1 4. W A TER HOSE 1 4 This s ection cov ers wa ter h ose and w ate r tank cap . 14 . 1 Loosen h ose clamp s crew . 14 . 2 Remo ve wa ter connection from h ose. 14 . 3 Remo ve hose fr om hose ha nger . 14 . 4 Remo ve wa ter hose conne ctor . 14 . 5 Unscre w wa ter tan k [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 48 14. W A TER HOSE 14 . 6 Relea se wa ter ta nk cap from wa ter tank tu be. A Depress o range fitting as sho wn. 14 . 7 A sse mble in th e re vers e order .[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 49 1 5. IGNITION COIL 1 5 This section cov ers the r emo v al, ins pection , and ins t a lla tion o f the ig nitio n coil. R emo va l of thes tar teri srequ ire d.R efe rto section 8 i f necessar y . 15 . 1 Re mov e star ter flywheel shrou d by unh ooking[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 50 15. IGNITION COIL 15 . 5 Insta ll Igni tion coil. A Pla c e ign ition coil sh im ( 0.0 1 2 ”) on mag net coun ter weig ht sid e of f lyw heel . B Set i gnition coil i n place . C Ins tall ign ition coil scre ws, wa ve wa shers, a nd plai n was hers with bl ue Loc t[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 51 1 6. FL Y W HEEL 16 Th is se ction co v ers the remo val , ins pection , and ins t a lla tion of th e f lywheel . Re mo va l of the s tar ter a nd sp ark plug i s req uir ed.R ef ertose ctions6 and 8 i f necessar y . 16 . 1 Ins er t pis ton st op. 16 . 2 [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 52 16. FL YWHEEL 16 . 4 Using p liers, hol d saw up b y magne t counter weight. 16 . 5 Strik e f ly whe el remo val too l with a bal l peen ham mer . The fly wheel shou ld relea se from cran ksh af t. 16 . 6 Inspect a nd clean fly wheel . Repla ce if an y of the fins ar[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 53 1 7 . BOTTOM GU ARD 1 7 This s ection cov ers the rem ov al ins pection , and ins t a lla tion o f the bo ttom gua rd . A Re mov e bottom gua rd screw s and spli t was hers. B Ins pect bottom gu ard. C Re place if da maged . D Assembl e in re verse orde r[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 54 1 8. FR ONT HANDLE 18 Thi s sectio n cov ers the remo va l, ins pection , and ins t a lla tion o f the fron t hand le . 18 . 1 R emo ve fr ont ha ndle scre ws on right side. 18 . 2 R emo ve fron t handle s crews on bottom . 18 . 3 Install fr ont ha ndle . A Rol l fro[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 55 1 9. FUE L T ANK 19 T his secti on cov ers the dis assem bly , ins pection , and asse mbly o f the vibra tion isol at ers, fue l tank, a nd rea r handle. 19 . 1 Remo ve vib ration is olat or scre ws and wa ve w ashers on clu tch sid e of saw . 19 . 2 Remo ve vibr ation [...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 56 19. FUEL T ANK 19 . 3 Sepa rat e crank c a se and fuel tan k. NOT E : Sa ws ha ve a rub ber wa ter deflector conn ected to t he 2 bottom vi bratio n isola tors on the clut c h sid e ( circled ). 19 . 4 Re mov e vibra tion isola tors from fuel tank ( 6 ) if necessary [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 57 20. C R ANK CA SE 20 Thi s section co ve rs the dis assem bly , ins pection , and asse mbly o f the crank case sea ls and cra nk sha f t bea rings . 20. 1 Remo ve out er cranks haft seal hous ing scre ws and wa ve w ashers . 20. 2 Rem ov e crank case bolts .[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 58 20. CRANKCASE 20. 3 Heat th e f lywheel side cra nk c as e with he at gun f or 5 min utes , appro ximat ely 1 50° F (65 .5° C ). 20. 4 Re mov e the f lywheel side cra nk c as e – tap crank shaft with plas tic mall et. A Sus pend abo ve work s ur face . B T ap wit[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 59 20. CRANKCASE 20. 6 Heat th e clutch s ide crank case with hea t gun t o 1 50° F (65.5 ° C ). 20. 7 Rem ov e cranks haft from the clut ch -side cra nk c ase ta p crank shaft with a pl astic m alle t. A Sus pend abo ve work s ur face . B T ap with pl astic m alle t. 20[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 60 20. CRANKCASE 20. 9 Re mov e the bearing , seal , and bus hing from t he clut ch side of crankshaf t. 20. 1 0 C lean ma ting cran k case faces . 20. 1 1 Heat cran k c a se halv es to 1 50° F . 20. 1 2 I nstal l bearing in to crank c a se halv es. 20. 1 3 T ap with b[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 61 20. CRANKCASE 20. 1 4 R epeat with o ther half . 20. 1 5 I nstal l crank shaft int o clutch s ide of case . 20. 1 6 P lace clut c h si de crank case s eal on crank sha f t. A T ap lig htly wi th bearing d river a nd mal let.[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 62 20. CRANKCASE 20. 1 7 Coat crank case gas k et with I CS ® 2 -strok e engi ne oil . 20. 1 8 Alig n crank c a se gask et on fly whee l side cra nk case pin s. 20. 1 9 P lace cran k case halv es togeth er and alig n crank c as e pins .[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 63 20. CRANKCASE 20. 20 Assembl e crank c as e halv es – tap with bea ring driv er and m alle t. 20. 2 1 Ins tall mai n crank c a se bolts . A Use bl ue Loctit e ® . B T orquet o69in- lbs .(8Nm ). NOT E : The 3 re main ing crank case bolts wi ll be ins ta[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 64 20. CRANKCASE 20. 23 T rim crank c as e gask et flush .[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 65 2 1 . BAR STUDS & B AR P A D 21 This se ction cov ers the remo va l and i nsta lla tion o f the ba r stu ds and b ar pa d. NOT E : On saw s with Serial #’ s begin ning 0482 42 1 700 and 0 7 1 X X X X X X X, it is necessar y to remo ve the b ar moun t pad co ve r p[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 66 22. CHAI N TEN SIONER 22 Thi s section co ve rs the remo va l and i nsta lla tion o f the cha in tensioner . 22. 1 Remo ve bar p lat e to e xpose the chain t ensioner . NOT E : Sa ws with seria l #’ s low er than 04824 2 1 700areno tequi pped with a ba [...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 67 23. C ARBURET OR TUNING 23 Th is sectio n cov ers c arbu ret or tuni ng . Inclu ded in th is sectio n are ba sic settin gs, idl espeeda dju stme nt,a ndcomple tead jus tmen t. The carbur et or ha s been se t at the fa ctor y f or opt imal p er forman ce a[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 68 23. CARBURETOR TUNING 23. 1 Basic S etting - H = 1 3/ 4 turns from close d L = 1 1 /4 t urns from closed Comple tecarbure torrea dj ustm ent . 23. 2 Remo ve li mit er cap A L ooki ntoa djus tmentscre whole . Obser v e or ie ntatio n of the re lea[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 69 23. CARBURETOR TUNING 23. 3 Using a 5/ 6 4 ” straig ht bl ade scre wdriv er , gently t urn the adj ustme ntscre wsclock wiseun til comple tely clos ed. 23. 4 S etthea djus tmen tscrew satthe Bas ic Setting : H = 1 3/ 4 turns from close[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 70 23. CARBURETOR TUNING 23. 9 Whe nthecarbure torisad jus ted correctly set th e limi ter caps a s sho wn with a 1 / 4” s traigh t blad e screwdriver . A L = v er tical B H = horizo ntal[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 71 24. IDLE SPEED ADJUS TMENT 24 Thi s section co ve rs idle s peed adjustment. 24. 1 If engi ne st ops while i dlin g: A Mak e sure the cha in is pro perly tensioned. B T urn T screw clockwise un til chai n begin s to mo ve C Back T scr ew out ½ t urn. 24. 2 I f chain tu[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 72 25. DIA GR AMS 25 Th is section p ro vides s ev eral flow char ts t o aid d iagn osin g common prob lems . CHEC K POS SIBLE CA USE REP AIR The engine r uns rough at all speeds The engine is overheat ing. • Operator is over workin g the saw . • Carbur et or mix[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 73 25. DIAGRAMS Saw Wil l Not Star t CHEC K POS SIBLE CA USE REP AIR Does t he engine crank ? Is there spar k? Is the spar k plug fir ing properly ? Insure cylinder com pression is ab ov e 1 25 psi Is the fu el fresh ? Is the fu el mixed 50: 1 Is the fu el reaching the car[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 74 26. FUEL S Y STEM LEAK S 26 Thi s section co ve rs tes ting th e fuel s yst em for l eak s. E ngine star v ation can re sul t from a lea k or mal function o f an y of the ma in compon ents o f the fuel s yst em. T he f i ve m ain compone nts a re the fue l tank, fuel[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 75 26. FUEL SYSTEM LEAKS D Pl ug one end o f the mai n fuel pick - u p tu be. E Re-pressuriz e the tu be to 7 psi ( 0.5 ba r ). F R epla ce the tube if pr essur e is not maintaine d. G If the m ain fuel pi ck - u p tube does mai ntain p ressur e, th en the lea k ha been is[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 76 26. FUEL SYSTEM LEAKS 26. 5 T esting the fue l tank bre ather . A Attach the press ure ga uge and b ulb to the m ain fuel p ick -up tube a t the carbure tor . Pressu rize the t ube to 4 .5 psi ( 0.3 bar ). B The pre ssure s hould r educe to ne arly 0 psi ( 0 bar ) ov[...]

F/N 71537 Oc t 07 © 20 07 IC S, Bl ount I nc. TITLE 6 1 3GC SERVICE MANU AL 77 27 . CR ANK CA SE LE AK S 27 Th is section cov ers tes ting th e cran k case for l eak s. A le ak in the cran kcas e c a n c a use th e eng ine no t to run. 2 7. 1 Ins tall the i ntak e seal flange . A Pl ug cylin der pu lse tub e. 2 7. 2 Ins tall the e xhaus t seal fla[...]

© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 TITLE 61 3GC SER V ICE MANU AL 78 A PPEND I X 1 The Spark P lug R efer ence Guid e is to be u sed as a gu ide onl y . When trying a plu g from a d if fer en t man ufact urer , per form a plug check t o be sure t hat th e plug w ill wor k. SP A RK P LUG REF ERENCE GUIDE ICS RE SIS T OR CHA MPION RE SI[...]

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© 20 07 IC S, Bl ount I nc. F/ N 7 1537 O ct 07 ICS, Blount Inc. 490 9 SE International Wa y P or tland, O R 9 7222 T el 8 00‑ 32 1‑ 1 24 0 F a x 503‑ 653 ‑ 4 393 i c s b e s t w a y. c o m 6 1 3GC SER VICE MA NU AL[...]