wc_br0114549en_010TOC.fm 5Table of ContentsRammer RepairForeword 31 Safety Information 91.1 Signal Words Found in this Manual ...................................................... 91.2 Machine Description and Intended Use ............................................. 101.3 Operating Safety ................................................................................ 111.4 Operator Safety while using Internal Combustion Engines ................ 131.5 Service Safety .................................................................................... 142 Tools 172.1 Recommended Special Tools ............................................................ 172.2 Recommended Repair Tools .............................................................. 183 Maintenance Schedules 193.1 Periodic Maintenance Schedule (BS 50/60/70-2, BS 65) ................... 193.2 Periodic Maintenance Schedule (BS 500/600/700/650) ..................... 203.3 Periodic Maintenance Schedule (BS 50/60/70-2i) .............................. 213.4 Periodic Maintenance Schedule (BS 500/600/700-oi) ........................ 223.5 Periodic Maintenance Schedule (DS 70) ........................................... 233.6 Periodic Maintenance Schedule (DS 720) ......................................... 244 Engine and Upper Machine Components 254.1 Removing the Silencing Cover ........................................................... 254.2 Replacing the Throttle Control (2010 and later 2-stroke models) ....... 264.3 Replacing the Throttle Control (2010 4-stroke models) ...................... 284.4 Throttle Control (pre-2010 models) .................................................... 314.5 Replacing the Stop Switch (2010 and later 2-stroke models) ............ 324.6 Replacing the Stop Switch (2010 and later 4-stroke models) ............ 354.7 Replacing the Guide Handle (2010 and later 2-stroke models) ......... 374.8 Replacing the Guide Handle (2010 and later 4-stroke models) ......... 404.9 Replacing the Guide Handle (pre-2010 models) ................................ 444.10 Shock Mounts ..................................................................................... 45