5113.13.1 JWBS-18 Upper Wheel Assembly – Exploded View13.13.2 JWBS-18 Upper Wheel Assembly – Parts ListIndex No Part No Description Size Qty.................. PM1800B-018 ........... Upper Wheel Assembly (#1 thru 6) ......................... ........................................1 ................ PM1800B-018-01 ...... Upper Wheel ............................................................ ...................................... 12 ................ PM1800B-018-02 ...... Spacer ..................................................................... ...................................... 13 ................ BB-6306LLU.............. Ball Bearing ............................................................. 6306LLU ....................... 24 ................ PM1800B-018-04 ...... Bearing Press Plate ................................................. ...................................... 15 ................ PM1800B-018-05 ...... Phillips Pan Head Machine Screw ........................... M6 x 8 ........................... 36 ................ PM1800B-018-06 ...... Tire........................................................................... ...................................... 113.14.1 JWBS-18 Lower Wheel Assembly – Exploded View13.14.2 JWBS-18 Lower Wheel Assembly – Parts ListIndex No Part No Description Size Qty.................. JWBS18B-130........... Lower Wheel Assembly (#1 thru 8) ......................... ........................................1 ................ PM1800B-022-01 ...... Lower Wheel ............................................................ 18"................................. 12 ................ PM1800B-018-02 ...... Bushing .................................................................... ...................................... 13 ................ BB-6306LLU.............. Ball Bearing ............................................................. 6306LLU ....................... 24 ................ PM1800B-018-04 ...... Bearing Press Plate ................................................. ...................................... 15 ................ PM1800B-018-05 ...... Pan Head Bolt ......................................................... M6x8 ............................. 36 ................ PM1800B-018-06 ...... Tire........................................................................... PU ................................. 17 ................ JWBS18B-130-807 ... Pulley ....................................................................... ...................................... 18 ................ TS-1504041 .............. Hex Socket Cap Screw ............................................ M8x20 ........................... 413 462513 467825