Parts list: № Number Qty Name Options 00 4378639 40 Screw 01 4018545 40 Washer Next page: 191 FRONT IDLER SERIAL NO. 020001- 192 ADJUSTER SERIAL NO. 020001- 193 UPPER ROLLER SERIAL NO. 020001- 194 LOWER ROLLER (STD. TRACK) [STD, NA] SERIAL NO. 020001- 195 LOWER ROLLER (NARROW LC TRACK) SERIAL NO. 020001- 189 TRAVEL DEVICE SERIAL NO. 020001- 188 SWING BEARING PARTS SERIAL NO. 020001- 187 SWING BEARING SERIAL NO. 020001- 186 TRACK UNDER COVER SERIAL NO. 020001- 185 ADDITIONAL STEP SERIAL NO. 020001-