Document G6GB9L4D5knKmJm9v2mM34z1q

PRINCIPLES OF GUARDING TABLE 22-C SPECIFICATIONS OF GUARDS FOR HORIZONTAL OVERHEAD BELTS, ROPES, AND CHAINS 7 FT OR MORE ABOVE FLOOR OR PLATFORM For Belt Widths 10 to 14 in. 14 to 24 in. Over 24 in. Material MEMBERS Framework Filler (belt guards) Filler and vertical side member Filler supports Guard supports lfexlfeM in 2x2xft m. l%xft m 2rft in No 20 No 18 AWG A W.G 2xft m flat iron 2x% in fiat iron 2xft in. 2x4k in 3x3x% in. 2xft in. No 18 AWG. 2%x2%x% in angle 2V4x%m. Angle iron Flat iron Solid sheet metal Flat and angle iron Flat iron FASTENINCS Filler supports to framework (2) A m. (2) % in (3) Vt w. Rivets Filler flats to supports U) An (1) ft in (2) % ml Flush rivets (belt guards) Finer to frame & supports A in nvets spa :ed 8 m center on sides and t in carters on (rope & chain guards) bottom Cuara supports to frame (2) % in. (2) ft m (2) % in. Rivets or work bolts Guard and supports to ttx3Vfc in lag %x4 in. lag %x8 in lag Lag screws overhead ceiling screws or screws or screws or or bolts % in bolts % in bolts % in. bolts DETAILS--SPACING, BTC. Width of guards One-quart sr wider than b It, rope, or ch on drive Spacing between filler 20 in C. to C. 16 m C. to C 16 in. C. to C supports Spacing between filler flats 2 in apart 2Vi in apart 3 in apart (belt miards) Spacing between guard 38 m C to C 38 in C to C 36 in C. to C. supports OTHER BELT CUARD FILLING PERMiriKU Sheet metal No 20 Woven wire, 2 in mesh AWG. No 12 AWG No 18 AWG. No 10 AWG. No 18 A WC No 8 AWG. Solid or per forated CLEARANCE FROM OUTSIDE OF BELT TO GUARD Distance center to center Up to 15 ft of shafts inclusive Clearance from belt to guard 6 in Over 15 to 25 ft me 10 m. Over 25 to Over 40 ft 40 ft me 15 in. 20 m From American Standards Association, Safety Cede for Mechanical Poviar-Tnnemiseum Apparatus B1S.1. should conform to the following stand ards 1 The guard rail should be not less than 42 in. high with a midrail approximately between the top rail and the floor, plat form, runway, or ramp, unless the space between the top rail and the floor is filled in with wire mesh, expanded metal, plywood, or other material of equal strength. 2. Posts should not be more than 8 ft apart Members of the guard rail should 22-16