Code

public void findBlock()
        {
                int xCoord = pos.getX();
                int yCoord = pos.getY();
                int zCoord = pos.getZ();

                if(isMachine(xCoord+1, yCoord, zCoord))
                {
                        machine[0] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord+1, yCoord, zCoord));
                }
                else machine[0] = null;
                if(isMachine(xCoord-1, yCoord, zCoord))
                {
                        machine[1] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord-1, yCoord, zCoord));
                }
                else machine[1] = null;
                if(isMachine(xCoord, yCoord+1, zCoord))
                {
                        machine[2] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord, yCoord+1, zCoord));
                }
                else machine[2] = null;
                if(isMachine(xCoord, yCoord-1, zCoord))
                {
                        machine[3] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord, yCoord-1, zCoord));
                }
                else machine[3] = null;
                if(isMachine(xCoord, yCoord, zCoord+1))
                {
                        machine[4] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord, yCoord, zCoord+1));
                }
                else machine[4] = null;
                if(isMachine(xCoord, yCoord, zCoord-1))
                {
                        machine[5] = (TileMachineBase) worldObj.getTileEntity(new BlockPos(xCoord, yCoord, zCoord-1));
                }
                else machine[5] = null;
        }

        public void givePower()
        {
                findBlock();
                for (int i = 0; i < machine.length; i++)
                {
                        if (machine[i] != null & machine[i].canAcceptPower()) this is 366 in the code.
                        {
                                machine[i].setPower(1);
                                power -= 1;
                        }
                }
        }

        public boolean isMachine(int x, int y, int z){
                return this.worldObj.getTileEntity(new BlockPos(x, y, z)) instanceof TileMachineBase;
        }