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Work Instructions for Repair & Finishing

Doc. No. : RAL/WI/10 Rev. No : 01

Work Instructions for Repair & Finishing: ZL5[ZL\U VG[ OLGLXL\U DF8[GL JS" >g:8=SXG o

Prepared By: RM / FN Date : Sign :

Reviewed By: VKR Date : Sign :

Pages: 1 of 4

Gel coat Finishing Procedures : H[,SM8 OLGL;L\U 5|M;LHZo

• Place the trimmed component on clean

table and check for the surface defect. • S8L\U SZ[,F SMd5MGg8G[ 8[A, 5Z D}SM

VG[ ;O"[; l0O[S8 DF8[ R[S SZMP • Deepen the crack or remove the burr of

the air blister with the help of cutting knife and emery the surface of the defect area with 80 or 100 grades.

• S|[S CF[I TM T[G[ p\0L SZM VG[ V[Z CMI TM KZL J0[ TM0L 0LO[S8LJ V[ZLIFG[ (_ S[ !__ GF 5[5Z J0[ 3;MP

• Clean it with compressed air and acetone for proper bonding.

• V[Z J0[ ;FO SZM VG[ 5|M5Z AMg0L\U DF8[ V[;L8MG J0[ ;FO SZMP

• Take small qty. of specified gel-coat, add catalyst to it, and mix it properly.

• 5|M0S8GF V[S;ZBF S,ZGM H~Z 5}ZTM H[,SM8 ,Æ AZFAZ S[8F,L:8 lDS; SZMP

• Fill the defective are with catalyzed gel-coat and allow it for curing.

• 0LO[S8LJ EFUG[ S[8F,L:8 lDS; H[,SM8 J0[ ZL5[Z SZM VG[ CF0" YJF KM0L NMP

Work Instructions for Repair & Finishing

Doc. No. : RAL/WI/10 Rev. No : 01

Work Instructions for Repair & Finishing: ZL5[ZL\U VG[ OLGLXL\U DF8[GL JS" >g:8=SXG o

Prepared By: RM / FN Date : Sign :

Reviewed By: VKR Date : Sign :

Pages: 2 of 4

• After gel-coat curing use emery paper

to remove excess material with 80, 100 & 400 and to get, finish emery with water paper 100 & 600.

• H[,SM8 CF0" YIF 5KL JWFZFGF D8LZLI,G[ (_4!__ VG[ $__ GF 5[5Z J0[ :D}W SZM VG[ !__ VG[ &__ GF JM8Z 5[5Z J0[ OLGL; SZMP

• After finishing, clean it with water. Apply rubbing compound and buff it to get required glass level.

• OLGLXL\U YIF 5KL 5F6LYL ;FO SZM VG[ H~ZL u,M; ,[J, 5|DF6[ ZAL\U Sd5Fpg0 TYF AOL\U J0[ 5M,LX SZJ]\P

• After complete finishing, shift the component to the packing area.

• OLGL;L\U 5|M;LHZ 5tIF 5KL SMd5MGg8G[ 5[SL\U VZLIFDF\ lXO8 SZJ]\P

Note: If the stress crack is through, add additional 50 mm wide glass layers before repairing the crack on gel- coated side. GM\Wo ‘[ S|[S VFZ5FZ CF[I TM4H[,SM8 ;F>0 S|[S ZL5[ZL\U SZTF\ 5C[,F\ JWFZFG]\ u,F;G]\ ,[IZ DFZMP

Surface Scratches Repairing Procedures ::-;O"[; :S[|R ZL5[ZL\U 5|M;LHZ o

• Mark the scratches area with pencil or with water based marker.

• :S[|R ZL5[ZL\U V[ZLIF 5[lg;, S[ JM8ZA[h DFS"Z 5[G J0[ DFS" SZMP

Work Instructions for Repair & Finishing

Doc. No. : RAL/WI/10 Rev. No : 01

Work Instructions for Repair & Finishing: ZL5[ZL\U VG[ OLGLXL\U DF8[GL JS" >g:8=SXG o

Prepared By: RM / FN Date : Sign :

Reviewed By: VKR Date : Sign :

Pages: 3 of 4

• Use clean water and Fine sanding paper to sand the scratch area. Users flat block of wood, rubber, or foam for uniform cutting and even surface.

• :S[|R ZL5[ZL\U V[ZLIF 3;JF RMbB]\ 5F6L VG[ :D}W ;[g0 5[5Z JF5ZMPO,[8 ,FS0]\4ZAZ S[ OMDGF a,MSDF\ OF>G ;[g0LU 5[5Z J0[ DFS" SZ[,F EFUG[ 3;MP

• Apply flat hand sanding at curved and radius areas to avoid uneven surface.

• V[S;ZBL ;O["X D/L ZC[ T[ DF8[ J/F\S VG[ Z[0LI; V[ZLIFDF\ O,[8 C[g0 ;[¬g0\U SZMP

• After finishing, clean it with water. Apply rubbing compound and buff it to get required glass level.

• OLGLXL\U YIF 5KL 5F6LYL ;FO SZM VG[ H~ZL u,M; ,[J, 5|DF6[ ZAL\U Sd5Fpg0 TYF AOL\U J0[ 5M,LX SZJ]\P

• After complete finishing, shift the component to the packing area.

• OLGL;L\U 5|M;LHZ 5tIF 5KL SMd5MGg8G[ 5[SL\U VZLIFDF\ lXO8 SZJ]\P

Work Instructions for Repair & Finishing: Laminate Repair : ,[DLG[8 ZL5[ZL\U 5|M;LHZo

• Place the trimmed component on clean

table and check for the thickness or laminate problems.

• S8L\U SZ[,F SMd5MGg8G[ ;FO 8[A, 5Z D}SM VG[ YLSG[X S[ ,[DLG[8 5|Ma,[D DF8[ R[S SZMP

• Emery / grind the surface of the defect

area with 80 or 100 grade. • 0LO[S8LJ V[ZLIFG[ (_ S[ !__ GF 5[5Z

J0[ 3;MP

Work Instructions for Repair & Finishing

Doc. No. : RAL/WI/10 Rev. No : 01

Work Instructions for Repair & Finishing: ZL5[ZL\U VG[ OLGLXL\U DF8[GL JS" >g:8=SXG o

Prepared By: RM / FN Date : Sign :

Reviewed By: VKR Date : Sign :

Pages: 4 of 4

• Clean it with compressed air, if required wipe with acetone for proper bonding.

• SMd5|[:0 V[Z J0[ ;FO SZM VG[ H~Z ,FU[ TM 5|M5Z AMg0L\U DF8[ V[;L8MG J0[ ;FO SZMP

• Apply the catalyzed resin on the sanded

area, lay the required glass matt, and wet it with resin.

• ZO SZ[,F EFUDF\ S[8F,L:8 ¬DŸ SZ[, Z[hLG SM8L\U SZLG[ H~Z 5|DF6[GF u,F;,[IZ 5FYZM VG[ Z[¬hGYL 5,F/MP

• Apply roller to remove trapped air and for consolidation.

• V[Z SF-JF VG[ JW] ;FZL :8=[guY DF8[ :8L, ZM,ZGF[ p5IMU SZMP

• Follow the same process up to the required thickness (RAL/WI/08)

• H~ZL YLSG[X D[/JJF p5ZGL 5|M;LHZ VG];ZMP (JS" >g:8=SXG G\P()

• Allow it for curing, if required cut the laminate during green stage.

• CJ[ T[G[ CF0" YJF KM0L NM VG[ ‘[ H~ZL CMI TM YM0]\ CF0" YFI tIFZ[ ,L,FDF\ KZL J0[ S8L\U SZL ,MP

• Once after completely cured emery / grind the excess material and do finishing.

• 5}Z[5]Z\] CF0" YIF 5KL JWFZFGF D8LZLI,G[ 3;M S[ U|F.\lg0U SZLG[ OLGL;L\U SZMP

Note: Use the necessary safety gadgets and clothing required for the operation. GM\W: SFD SZTL JBT[ H~ZL ;[O8L GF ;FWGMGM p5IMU SZM VG[ H~ZL S50F\ 5C[ZMP