Hitachi DH24PC3 Instruction Manual - Page 16

English (4) To remove the drill bit (taper shank), insert the cotter into the slot of the taper shank adaptor and strike the head of the cotter with a hammer supporting on the rests. (Fig. 17) Cotter Taper shank adaptor Rests Fig. 17 HOW TO USE THE CORE BIT (FOR LIGHT LOAD) When boring penetrating large hole use the core bit (for light load). At that time use with the center pin and the core bit shank provided as optional accessories. 1. Mounting CAUTION: ⅜ Be sure to turn power OFF and discon- nect the plug from the receptacle. (1) Mount the core bit to the core bit shank. (Fig. 18) Lubricate the thread of the core bit shank to facilitate disassembly. (2) Mount the core bit shank to the rotary hammer. (Fig. 19) (3) Insert the center pin into the guide plate until it stops. Core bit Core bit shank Thread Fig. 18 Fig. 19 16