. OPERATION MACHINE OPERATIONS AND CONTROLS Operations Using Bucket Dropping Force Do not use the dropping force of the machine for digging, or use the dropping force of the bucket as a pickaxe, breaker, or pile driver. This will markedly reduce the life of the machine. Operations Using Machine Dropping Force Do not use the dropping force of the machine for digging. from near top speed (lever release operation). Support Blade on Both Sides the machine 3 - 94 Sudden Lever Shifting High Speed Tra (1) Never carr y ou t sudd en leve r shiftin g as this may cause sudden startin Avoid revers When us ing th e b lade a utrigger with only one end of the blade.