Belte r r a Cor p or at ion S afety M an ual D oc I D C H S M BE L 2 0 1 7 Pa g e 4 07 of 53 8 GRIND ER SA FE OP ERA TI ON Doc u m e n t Identif icat ion S JP 009 P age Nu m b e r 1 of 4 Doc u m e n t 1 st C r e at e d A pr 15 2014 Im p le m e n tat ion Dat e o n Re vised Doc u m e n t Apr 8 2016 Th e p u r p ose of t h is p ract ic e is t o o u t li n e t h e saf e u se o f gri n d e rs w it h min i mu m risk t o p eo p le eq u i p ment mat er ials en vir on me n t an d p ro c esses 1 0 PRO PE R US E 1 Onl y prop e rl y inst ruc ted wor ke rs should use g rind e rs 2 S e c ure loose c lot hing a n d re move ties r in g s wa t c he s a nd othe r je we ll e r y 3 W e a r prope r e y e a nd he a ring prot e c ti on 4 Adjust a nd ti g hten tool re sts on be nc hpede stal g ri nde rs to e nsure th e g a p is no more than 3mm 18 i nc h fr om t he whe e l 5 S tand to one side of the whe e l whe n tu rning on th e powe r to a n y grinde r 6 The prote c ti ve g u a rd mu st be in pl a c e whe n usi n g a porta ble a n g l e g rinde r 7 I f the w he e l vi bra tes do not us e the gr inder Tr y d re ssi ng th e whe e l I f tha t doe s not stop the vibr a ti on turn off the g rinde r a nd c h e c k to see if the whe e l or be a ring s o f the sha ft a re wo rn a nd ne e d to b e re pl a c e d 8 Dr e ss t he wh e e l on t he f a c e onl y d re ssi n g the side of the whe e l c ould ca us e it to bec ome too thi n for sa fe use 9 Use the f a c e of th e whe e l for g rindin g unless the whe e l i s de si g ne d fo r side grinding 10 Do not a ppl y e x c e ssi ve pre ssure to t he grindi ng su rf a c e 11 Gr indi ng c re a tes he a t do not t ouc h the g round po r ti on of the w ork piec e un ti l y ou a re su re it ha s c oo led 12 Do not lea ve a grinde r un a tt e nde d unti l t he whe e l ha s c ome to a c ompl e t e s top 13 C lea n the w ork a re a a fte r usi ng the g rinde r 2 0 PRO PE R IN S TAL L ATION 1 C he c k that wir in g c ode s a re follow e d a nd that r e c omm e nde d e lec tri c a l con ne c ti ons a re us e d 2 A gr ound f a ult c ir c uit int e rr upter G F C I is re quir e d for porta bl e e le c tric g r inder s used in we t l oc a ti o ns or with a liqui d c oolant 3 The grinde r must be prop e rl y groun de d o r dou ble insul a ted 4 F oll ow a pprop ri a te loc ko ut proc e dur e s whe n c ha n g in g whe e ls or makin g re pa irs 5 Abr a sive w h e e ls m ust be store d se lec ted inst a ll e d use d a nd pe riodic a ll y i nspe c ted in a c c ord a nc e with t he manuf a c tur e r s ins truc ti o ns a n d re c omm e nd a ti ons 6 Ne ve r us e d a n a b ra sive whe e l t ha t i s ra ted for a s lowe r spe e d r pm than t he spe e d of th e g rinde r s pindl e 7 C he c k that blot ter s a nd p rope rl y matc h e d whe e l fla nge s ha ve b e e n us e d to m ount t he g rindin g whe e l ont o the sha ft of the g rind e r 8 In sp e c t t he wh e e l for c hi ps a nd c ra c ks Use the R ing Te st to c h e c k wh e e ls bef ore inst a ll in g 9 C he c k that the w he e l cov e rs a r e in pl a c e a nd a re p rope rl y a djust e d a nd ti g h tene d 10 Do not us a n a bra siv e wh e e l for g rindin g non fe r r ous m a ter ials f or e x a mpl e c oppe r b ra ss alumi n um lea d a nd plasti c unl e ss t he whe e l i s de si g ne d for thi s purpose